The Most Advanced Cancer
Care in Orange County
With the opening of Orange County’s only cancer specialty hospital,
City of Hope now offers a seamless campus for both outpatient and inpatient care. More hope for a cancer-free future is here.
Cancer Treatment in Orange County
Orange County’s most advanced breast cancer prevention, detection and treatment.
Expertise in cancer treatment, complex non-cancerous gynecologic disorders, urogynecology and pelvic floor dysfunction.
Expertise, advanced therapies and lifesaving clinical trails offer the most advanced lung cancer care in Orange County.
Treating GI cancers with leading-edge technologies, precision medicine, therapeutic and radiological advances.
Targeted treatments and clinical trials known to improve the lives of patients with leukemia, lymphoma, multiple myeloma and more.
Integrated approach to diagnose and treat prostate, kidney, bladder and testicular cancers to ensure optimal outcomes.
Orange County's Most Comprehensive
Cancer Network
City of Hope is delivering on our promise to the people of Orange County and changing cancer care for our family, friends, and neighbors. Patients can now access our network of advanced care at City of Hope Orange County's Cancer Specialty Hospital, Lennar Foundation Cancer Center and our OC regional clinics.
City of Hope is home to some of the best minds in radiation oncology in the nation, with a technology suite containing the most innovative radiotherapy systems, in the most advanced configurations, available anywhere.
A cancer diagnosis comes with many questions and can be emotionally overwhelming. Though types of cancers vary and everyone copes in uniquely individual ways, here are answers to some of the most common questions we hear. Let us help you begin navigating the journey back to health.
Cancer is never easy, but it starts with Hope.
As a leader in exceeding national survivor rates, City of Hope is all-in on ending cancer. Together, our 700 cancer physicians, 1,300 researchers and scientists, and more than 700 cancer-focused clinical trials are what drive us forward.
First in prevention. First in treatment. First in survival. When it comes to cancer in Orange County, it’s Hope First.
A Grateful Patient Story
Orange County Cancer Care Specialists
A cancer diagnosis can be overwhelming for you and your loved ones. Experts advise taking the time to make important decisions and, if possible, asking a friend or loved one to help during these early days. One of the most important decisions you will need to make is selecting your doctor and the medical team that will support you.
Julio Cesar Alvarenga, M.D., is Assistant Clinical Professor at City of Hope Orange County Lennar Foundation Cancer Center.
Ghazal N. Bahri, M.D., is an assistant clinical professor in the Division of Hospital Medicine, Department of Medicine at City of Hope Orange County's Lennar Foundation Cancer Center and cancer specialty hospital.
Michael Caberto, D.O., is an associate clinical professor in the Division of Hospital Medicine, Department of Medicine at City of Hope Orange County Lennar Foundation Cancer Center.
Dr. Carrillo specializes in minimally invasive techniques to identify and treat cancer through advanced technologies, including image-guided methods.
Annie Chen, M.D., is a pulmonologist noted for her extensive knowledge of complex pulmonary conditions at City of Hope® Orange County Lennar Foundation Cancer Center and cancer specialty hospital.
Fairouz Chibane, M.D., M.B.A., is an assistant clinical professor at City of Hope Orange County Lennar Foundation Cancer Center in Irvine, California.
Joan Chung, M.D., is an anesthesiologist dedicated to providing safe, compassionate, and patient‑centered care during some of the most vulnerable moments in a person’s medical journey.
Jack Dubois, M.D., is a palliative care physician who works with patients and families to navigate complex decision making, with an emphasis on communication and addressing ethical issues in the decision-making process.
Monica A. Garcia, Ph.D., is an assistant clinical professor, division of psychology, department of supportive care medicine.
Mohammad Javid Ghomashi, MD, is a hospital-based nocturnist who works overnight at City of Hope® Orange County's cancer specialty hospital, addressing patients’ urgent medical needs.
Kourosh Golestany, M.D., is an associate clinical professor, Division of Hospital Medicine, Department of Medicine.
Saba Hamiduzzaman, M.D., is a widely respected pulmonologist and critical care specialist at City of Hope Orange County Lennar Foundation Cancer Center and cancer specialty hospital, where she focuses on critically ill patients in intensive care.
Benjamin Heyman, M.D., is an Associate Clinical Professor specializing in lymphoma and chronic lymphocytic leukemia (CLL) at City of Hope Orange County.
Lee Hong, M.D., Ph.D., is an Assistant Clinical Professor specializing in thoracic oncology at City of Hope Orange County.
Michael Kahn, M.D., is an assistant clinical professor specializing in pulmonary and critical care medicine at City of Hope Orange County Lennar Foundation Cancer Center.
Arnold Kim, M.D., is a City of Hope anesthesiologist and assistant clinical professor in the Department of Anesthesiology, City of Hope Orange County Lennar Foundation Cancer Center.
Jay W. Kim, M.D., is an assistant clinical professor in the Department of Medicine's Division of Pulmonary and Critical Care Medicine, at the City of Hope Orange County Lennar Foundation Cancer Center.
Josephine Kim, M.D., is a compassionate and highly skilled gynecologic oncologist at City of Hope® Orange County Lennar Foundation Cancer Center whose career is driven by a deep love of science and a desire to alleviate suffering through medical innovation.
Lisa Lee, M.D., is an Associate Clinical Professor in the Department of Hematology and Hematopoietic Cell Transplantation at City of Hope.
Lei Lei, M.D., is an Assistant Clinical Professor in the Department of Diabetes, Endocrinology & Metabolism at City of Hope Orange County.
Hossein Mehdikhani, M.D., is dual-boarded in diagnostic radiology and nuclear medicine. From an early age, Hossein Mehdikhani, M.D., was drawn to science and problem-solving, but what truly inspired him was the human aspect of medicine — being able to make a real difference in someone’s life.
Simona De Michele, M.D., is an assistant clinical professor in the department of pathology at City of Hope Lennar Foundation Cancer Center.
Peter T. Nguyen, D.O., M.S., combines his passion for emergency medicine with specialized cancer care at City of Hope® Orange County Lennar Foundation Cancer Center, where he provides rapid assessment of acute symptoms for patients at critical moments.
Daniel Sangwon Oh is a thoracic surgeon at City of Hope, St. Jude Medical Center in Fullerton, CA. Learn about his experience.
Dr. Tamer Othman is a leukemia and stem cell transplant expert at City of Hope in Orange County, CA. Learn about his background and experience with cancer patients.
Pritiben Patel, M.D., M.B.A., is an assistant clinical professor in the Department of Medicine at City of Hope.
Shreyas Patel, M.D., is an associate clinical professor at City of Hope® Orange County's cancer specialty hospital in Irvine, California, specializing in hospital medicine with a focus on internal medicine.
Helya Peyman, D.O., is a nocturnist whose path to medicine began with a deep love of science and a desire to serve others during their most vulnerable moments.
Farjad Sarafian, M.D., F.I.D.S.A., is recognized for advancing groundbreaking treatments and setting new standards in patient care for immunocompromised populations.
Lauren Sesi, M.D., is an emergency medicine specialist at City of Hope Orange County’s Emergency Treatment Center (ETC), which provides for the urgent needs of cancer patients.
Ravikanth R. Tadi, M.D., is a hospitalist at City of Hope Orange County. Learn about his education, background and experience with cancer patients.
Tydus Thy Thai, M.D., is an associate clinical professor in the Division of Hospital Medicine, Department of Medicine at City of Hope® Orange County's cancer specialty hospital.
Katarina Vasiljevic, M.D., is a dedicated and compassionate physician specializing in breast cancer. Her journey into medicine was driven by her nurturing personality and a strong interest in science.
Danniel Zamora, M.D., is an infectious disease specialist with a deep commitment to improving the lives of patients undergoing cancer and stem cell transplant treatments.
Rainy Zhang, M.D., is a pulmonologist and critical care physician at City of Hope Orange County's Lennar Foundation Cancer Center and cancer specialty hospital with a background in pulmonology, critical care medicine, clinical research and quality improvement.
Ahmad Abou Abbass, M.D., F.A.C.S., is a nationally and internationally recognized hepatobiliary and pancreatic surgeon specializing in advanced minimally invasive and robotic techniques.
Plastic surgeon Mouchammed Agko, M.D., understands that many cancer survivors want to continue their lives after treatment without physical reminders of the disease. His goal is to help them achieve that — in addition to providing additional aesthetic improvements, if it meets a patient’s needs.
Haris Ali, M.D., is a hematologist-oncologist and associate professor in the Department of Hematology & Hematopoietic Cell Transplantation.
Julio Cesar Alvarenga, M.D., is Assistant Clinical Professor at City of Hope Orange County Lennar Foundation Cancer Center.
Ghazal N. Bahri, M.D., is an assistant clinical professor in the Division of Hospital Medicine, Department of Medicine at City of Hope Orange County's Lennar Foundation Cancer Center and cancer specialty hospital.
Nairi Berner, M.D., is an Associate Clinical Professor, Department of Diabetes, Endocrinology & Metabolism. Endocrinologist Nairi Berner, M.D., M.S., centers her approach to patient care on trust and partnership.
Azra Borogovac, M.D., M.S., is a hematologist at City of Hope Orange County Lennar Foundation Cancer Center. For Dr. Borogovac, the patient is the most important part of the medical team. She sees the opportunity to provide care to people with cancer as a privilege.
Laurie Brunette, MD, is a board-certified gynecologic oncologist who is an expert in surgical cytoreduction of cancer and in the use of minimally invasive surgical techniques, including robotic surgery and fertility-preserving procedures.
Dr. Carrillo specializes in minimally invasive techniques to identify and treat cancer through advanced technologies, including image-guided methods.
Annie Chen, M.D., is a pulmonologist noted for her extensive knowledge of complex pulmonary conditions at City of Hope® Orange County Lennar Foundation Cancer Center and cancer specialty hospital.
Luke Chen, M.D., is a medical oncologist and hematologist at City of Hope Orange County Lennar Foundation Cancer Center and Seacliff locations. Dr. Chen’s research has explored ways to improve treatment for prostate cancer and other malignancies.
Jessica Cheng, M.D., is among the nation’s few, and Orange County’s only, fellowship-trained experts in cancer rehabilitation medicine. This is a subspecialty of physical medicine and rehabilitation (PM&R) also known as physiatry.
Fairouz Chibane, M.D., M.B.A., is an assistant clinical professor at City of Hope Orange County Lennar Foundation Cancer Center in Irvine, California.
Joan Chung, M.D., is an anesthesiologist dedicated to providing safe, compassionate, and patient‑centered care during some of the most vulnerable moments in a person’s medical journey.
Joshua G. Cohen, M.D., F.A.C.O.G., F.A.C.S., is a board-certified gynecologic oncologist dedicated to offering his patients in Orange County empathy and excellence in clinical care.
Seth Cohen, M.D., is a urologic surgeon with a focus on female pelvic medicine and reconstructive surgery at City of Hope's community practice sites in Newport Beach, California.
Amy Copeland, M.D., is a surgical oncologist treating gastrointestinal cancers such as stomach, small bowel, colon and appendix as well as soft tissue and retroperitoneal sarcomas.
Olga Danilova, M.D., Ph.D., is a pathologist in the Department of Pathology at City of Hope.
Jack Dubois, M.D., is a palliative care physician who works with patients and families to navigate complex decision making, with an emphasis on communication and addressing ethical issues in the decision-making process.
Amir Esparza, M.D., F.A.C.S., is a colorectal surgeon double-board certified in general surgery and colorectal surgery and commitment to compassionate, high-quality care.
Jamie Fertal, D.O., is a noted specialist in palliative medicine for cancer patients. She focuses on therapies that improve the quality of life at any stage of the patient's cancer journey – from diagnosis to treatment and beyond.
Nicolas Gallegos, M.D., is a board-certified pathologist at City of Hope® Orange County Lennar Foundation Cancer Center, specializing in anatomic and clinical pathology, with additional certification in cytopathology. Dr. Gallegos’ passion for medicine began early, fueled by an inquisitive nature
Krisstina Gowin, D.O., is an associate clinical professor in the Department of Medical Oncology and Therapeutics Research at City of Hope Orange County.
Saba Hamiduzzaman, M.D., is a widely respected pulmonologist and critical care specialist at City of Hope Orange County Lennar Foundation Cancer Center and cancer specialty hospital, where she focuses on critically ill patients in intensive care.
Mark Hanna, M.D., is an assistant clinical professor in the Division of Colorectal Surgery, Department of Surgery.
P. Grace Harrell, M.D., M.P.H., is an associate clinical professor, Department of Anesthesiology.
Benjamin Heyman, M.D., is an Associate Clinical Professor specializing in lymphoma and chronic lymphocytic leukemia (CLL) at City of Hope Orange County.
Lee Hong, M.D., Ph.D., is an Assistant Clinical Professor specializing in thoracic oncology at City of Hope Orange County.
Cory Hugen, M.D., is an associate clinical professor in the Division of Urology and Urologic Oncology in the Department of Surgery at City of Hope Orange County.
Candace Jackson, M.D., M.P.H., F.A.C.C., is an assistant clinical professor at City of Hope Orange County Lennar Foundation Cancer Center and cancer specialty hospital, specializing in cardiology with a focus on advanced multimodality cardiac imaging.
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Dr. Natalie Johnson is a prominent specialist in surgery for breast cancer, thyroid cancer, parathyroid disease, and melanoma.
Michael Kahn, M.D., is an assistant clinical professor specializing in pulmonary and critical care medicine at City of Hope Orange County Lennar Foundation Cancer Center.
Irene Kang, M.D., is medical director of women’s health medical oncology and assistant professor in medical oncology and therapeutics research.
Dr. Kasi is an associate clinical professor in the department of Medical Oncology & Therapeutics Research at City of Hope Orange County.
Arnold Kim, M.D., is a City of Hope anesthesiologist and assistant clinical professor in the Department of Anesthesiology, City of Hope Orange County Lennar Foundation Cancer Center.
Josephine Kim, M.D., is a compassionate and highly skilled gynecologic oncologist at City of Hope® Orange County Lennar Foundation Cancer Center whose career is driven by a deep love of science and a desire to alleviate suffering through medical innovation.
Sudarsan Vishnu Kollimuttathuillam, M.D., is a medical oncologist and hematologist at City of Hope Orange County's Lennar Foundation Cancer Center and Seacliff locations. Dr. Kollimuttathuillan places a priority on offering his patients access to innovative treatments and clinical trial options.
Amrita Krishnan, M.D., directs the Judy and Bernard Briskin Center for Multiple Myeloma Research at City of Hope's cancer research hospital, seeking to make gains in one of the most rapidly changing areas in cancer research.
Colton Ladbury, M.D., is a radiation oncologist and assistant clinical professor in the Department of Radiation Oncology at City of Hope.
Lisa Lee, M.D., is an Associate Clinical Professor in the Department of Hematology and Hematopoietic Cell Transplantation at City of Hope.
Percy Lee, M.D., is delighted to increase City of Hope's reach and help establish its radiation oncology research network in his role as medical director of Orange County and coastal region radiation oncology and vice chair for clinical research in the Department of Radiation Oncology.
Richard T. Lee, M.D., is the medical director of the Integrative Medicine Program in the Department of Supportive Care Medicine at City of Hope.
Lei Lei, M.D., is an Assistant Clinical Professor in the Department of Diabetes, Endocrinology & Metabolism at City of Hope Orange County.
Sandy Ting Liu, M.D., is a assistant research professor, Department of Medical Oncology & Therapeutics Research.
In her capacity as director of thoracic medical oncology at the City of Hope Orange County, Jyoti Malhotra, M.D., M.P.H., is excited about offering patients an expansive slate of early-phase clinical trials in order to offer more people access to new therapies.
Farhad Mazdisnian, M.D., is Chief of the Division of Pulmonary and Critical Care Medicine in the Department of Medicine at City of Hope.
Hossein Mehdikhani, M.D., is dual-boarded in diagnostic radiology and nuclear medicine. From an early age, Hossein Mehdikhani, M.D., was drawn to science and problem-solving, but what truly inspired him was the human aspect of medicine — being able to make a real difference in someone’s life.
Simona De Michele, M.D., is an assistant clinical professor in the department of pathology at City of Hope Lennar Foundation Cancer Center.
Daniel Ng, Jr., a cardiologist, has an integral role in cancer patients’ treatment plans. He works to evaluate patients, diagnose pre-existing cardiac disease, reduce cardiovascular risk and monitor cardiovascular health throughout the cancer journey.
Dr. Nguyen brings extensive expertise in complex microsurgery, craniofacial reconstruction, breast reconstruction, peripheral nerve surgery, lymphedema surgery and advanced fat grafting — an area he has championed since the early 2000s.
Charles B. Nguyen, M.D., is an assistant clinical professor in the Department of Medical Oncology & Therapeutics Research at City of Hope Orange County.
Peter T. Nguyen, D.O., M.S., combines his passion for emergency medicine with specialized cancer care at City of Hope® Orange County Lennar Foundation Cancer Center, where he provides rapid assessment of acute symptoms for patients at critical moments.
Daniel Sangwon Oh is a thoracic surgeon at City of Hope, St. Jude Medical Center in Fullerton, CA. Learn about his experience.
Dr. Tamer Othman is a leukemia and stem cell transplant expert at City of Hope in Orange County, CA. Learn about his background and experience with cancer patients.
Sumanta Kumar Pal, M.D., F.A.S.C.O., is an internationally recognized leader in the area of genitourinary cancers, including kidney and bladder. He is the co-director of City of Hope’s Kidney Cancer Program.
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Chanwang (Channing) Park, M.D., unique professional expertise lies in both data-driven science and compassionate concern for patients who are anxious about their cancer treatments.
I. Benjamin Paz, M.D., is a nationally renowned surgical oncology surgeon, with expertise in breast cancer, gastrointestinal and rectal cancers, and tumors involving the bone and soft tissues.
Piers Pravdo, D.O., is a radiologist at City of Hope Orange County Lennar Foundation Cancer Center’s state-of-the-art radiology suites for advanced diagnostic imaging and precision cancer care.
Mustafa Raoof, M.D., M.S., is a surgical oncologist and an assistant professor in the Department of Surgery and in the Department of Cancer Genetics and Epigenetics.
Jason Salsamendi, M.D., is a interventional radiologist and clinical professor in the Department of Diagnostic Radiology at City of Hope.
Diya Sandhu, M.D., specializes in managing pain that often accompanies a cancer diagnosis. She focuses on highly personalized care, offering treatments ranging from holistic and natural remedies to more advanced procedures such as spinal cord stimulation.
Seyma Saritoprak, Ph.D., is a specialist in psychosocial oncology, a cancer specialty that addresses the many psychological, behavioral, emotional and social issues that can arise following a cancer diagnosis.
Amanda Schwer, M.D., is an Assistant Clinical Professor, Department of Radiation Oncology at City of Hope Orange County. As a third-generation Orange County native, Dr. Schwer is proud to play a part in bringing extraordinary cancer care to the community that is so close to her heart.
George Bernard Semeniuk, III, M.D., is a hematologist/oncologist specializing in leukemia, lymphoma and hematopoietic cell transplantation.
Tanya Siddiqi, M.D., is the medical director of the Division of Lymphoma at City of Hope.
Samar Singh, M.D., is an assistant clinical professor, Department of Diabetes, Endocrinology & Metabolism at City of Hope Orange County.
Siddharth Singh, D.O., is an accomplished anesthesiologist with a passion for combining science with compassionate patient care.
Wade Smith, M.D., is a medical oncologist specializing in breast cancer at City of Hope's Orange County, Newport Beach and Duarte locations.
Nishan Tchekmedyian, M.D., M.B.A, is a hematologist and medical oncologist at City of Hope's Orange County and Seacliff locations.
Binh N. Trinh, M.D., Ph.D., is an accomplished thoracic surgeon whose career has been shaped by a lifelong desire to ease suffering and bring hope to patients.
Jennifer Tseng, M.D., F.A.C.S., is the Medical Director of Breast Surgery, City of Hope Orange County.
Steven Tu, M.D., anesthesiologist and associate clinical professor, Department of Anesthesiology.
Lance Uradomo, M.D., M.P.H., is an assistant clinical professor, Division of Gastroenterology, Department of Medicine at City of Hope Orange County.
Erica Veguilla, M.D., takes a holistic approach, combining conventional treatments like pharmaceuticals and traditional psychotherapy with evidence-based complementary treatments, including meditation and lifestyle interventions.
Ping H. Wang, M.D., is chair of the Department of Diabetes, Endocrinology & Metabolism at City of Hope.
Dr. Weng is a radiation oncologist and assistant clinical professor in the Department of Radiation Therapy at City of Hope Orange County.
Jennifer S. Woo, M.D., is a pathologist and Medical Director of Blood Bank and Transfusion Medicine Services.
Yanghee Woo, M.D., is director of the Gastroenterology Minimally Invasive Therapy Program.
Jeffrey S. Yoshida, M.D., is the medical director of urologic surgery at City of Hope Orange County. He is currently located at the City of Hope Orange County and Seacliff locations.
Rainy Zhang, M.D., is a pulmonologist and critical care physician at City of Hope Orange County's Lennar Foundation Cancer Center and cancer specialty hospital with a background in pulmonology, critical care medicine, clinical research and quality improvement.
Regional Clinic Locations
Laurie Brunette, MD, is a board-certified gynecologic oncologist who is an expert in surgical cytoreduction of cancer and in the use of minimally invasive surgical techniques, including robotic surgery and fertility-preserving procedures.
Luke Chen, M.D., is a medical oncologist and hematologist at City of Hope Orange County Lennar Foundation Cancer Center and Seacliff locations. Dr. Chen’s research has explored ways to improve treatment for prostate cancer and other malignancies.
Joshua G. Cohen, M.D., F.A.C.O.G., F.A.C.S., is a board-certified gynecologic oncologist dedicated to offering his patients in Orange County empathy and excellence in clinical care.
Elizabeth Conner, M.D. is a gastrointestinal medical oncologist dedicated to advancing compassionate, research-driven cancer care.
Amir Esparza, M.D., F.A.C.S., is a colorectal surgeon double-board certified in general surgery and colorectal surgery and commitment to compassionate, high-quality care.
Mark Hanna, M.D., is an assistant clinical professor in the Division of Colorectal Surgery, Department of Surgery.
Lee Hong, M.D., Ph.D., is an Assistant Clinical Professor specializing in thoracic oncology at City of Hope Orange County.
Josephine Kim, M.D., is a compassionate and highly skilled gynecologic oncologist at City of Hope® Orange County Lennar Foundation Cancer Center whose career is driven by a deep love of science and a desire to alleviate suffering through medical innovation.
Sudarsan Vishnu Kollimuttathuillam, M.D., is a medical oncologist and hematologist at City of Hope Orange County's Lennar Foundation Cancer Center and Seacliff locations. Dr. Kollimuttathuillan places a priority on offering his patients access to innovative treatments and clinical trial options.
Lisa Lee, M.D., is an Associate Clinical Professor in the Department of Hematology and Hematopoietic Cell Transplantation at City of Hope.
Lei Lei, M.D., is an Assistant Clinical Professor in the Department of Diabetes, Endocrinology & Metabolism at City of Hope Orange County.
Dr. Nguyen brings extensive expertise in complex microsurgery, craniofacial reconstruction, breast reconstruction, peripheral nerve surgery, lymphedema surgery and advanced fat grafting — an area he has championed since the early 2000s.
Diya Sandhu, M.D., specializes in managing pain that often accompanies a cancer diagnosis. She focuses on highly personalized care, offering treatments ranging from holistic and natural remedies to more advanced procedures such as spinal cord stimulation.
Nishan Tchekmedyian, M.D., M.B.A, is a hematologist and medical oncologist at City of Hope's Orange County and Seacliff locations.
Katarina Vasiljevic, M.D., is a dedicated and compassionate physician specializing in breast cancer. Her journey into medicine was driven by her nurturing personality and a strong interest in science.
Erica Veguilla, M.D., takes a holistic approach, combining conventional treatments like pharmaceuticals and traditional psychotherapy with evidence-based complementary treatments, including meditation and lifestyle interventions.
Jeffrey S. Yoshida, M.D., is the medical director of urologic surgery at City of Hope Orange County. He is currently located at the City of Hope Orange County and Seacliff locations.
Linda Bosserman, M.D., Ph.D., A.A.S.E.C.T., F.A.C.P., F.A.S.C.O., is a professor in the Department of Medical Oncology & Therapeutics Research, offering telemedicine services at City of Hope Sand Canyon.
Jessica Cheng, M.D., is among the nation’s few, and Orange County’s only, fellowship-trained experts in cancer rehabilitation medicine. This is a subspecialty of physical medicine and rehabilitation (PM&R) also known as physiatry.
Jamie Fertal, D.O., is a noted specialist in palliative medicine for cancer patients. She focuses on therapies that improve the quality of life at any stage of the patient's cancer journey – from diagnosis to treatment and beyond.
Monica A. Garcia, Ph.D., is an assistant clinical professor, division of psychology, department of supportive care medicine.
Christian Co Lu, M.D., M.H.S., is a patient-centric physician with 15+ years of experience in medical care.
Seyma Saritoprak, Ph.D., is a specialist in psychosocial oncology, a cancer specialty that addresses the many psychological, behavioral, emotional and social issues that can arise following a cancer diagnosis.
Nikki Zahabi, D.O., is an assistant clinical professor with a strong background in internal medicine and critical care.
Laurie Brunette, MD, is a board-certified gynecologic oncologist who is an expert in surgical cytoreduction of cancer and in the use of minimally invasive surgical techniques, including robotic surgery and fertility-preserving procedures.
Joshua G. Cohen, M.D., F.A.C.O.G., F.A.C.S., is a board-certified gynecologic oncologist dedicated to offering his patients in Orange County empathy and excellence in clinical care.
Seth Cohen, M.D., is a urologic surgeon with a focus on female pelvic medicine and reconstructive surgery at City of Hope's community practice sites in Newport Beach, California.
Jamie Fertal, D.O., is a noted specialist in palliative medicine for cancer patients. She focuses on therapies that improve the quality of life at any stage of the patient's cancer journey – from diagnosis to treatment and beyond.
Josephine Kim, M.D., is a compassionate and highly skilled gynecologic oncologist at City of Hope® Orange County Lennar Foundation Cancer Center whose career is driven by a deep love of science and a desire to alleviate suffering through medical innovation.
Amrita Krishnan, M.D., directs the Judy and Bernard Briskin Center for Multiple Myeloma Research at City of Hope's cancer research hospital, seeking to make gains in one of the most rapidly changing areas in cancer research.
Christian Co Lu, M.D., M.H.S., is a patient-centric physician with 15+ years of experience in medical care.
Charisma Mylavarapu, D.O., is a dedicated physician specializing in gastrointestinal and genitourinary malignancies. Her journey into medicine was driven by a lifelong fascination with science and a deep commitment to community service.
George Bernard Semeniuk, III, M.D., is a hematologist/oncologist specializing in leukemia, lymphoma and hematopoietic cell transplantation.
Wade Smith, M.D., is a medical oncologist specializing in breast cancer at City of Hope's Orange County, Newport Beach and Duarte locations.
Tingting Tan, M.D., Ph.D., is a medical oncologist and assistant clinical professor in the Department of Medical Oncology & Therapeutics Research at City of Hope.
Peter Ngo, M.D., is an assistant clinical professor, Department of Medical Oncology and Therapeutics Research at City of Hope Long Beach Elm and Worsham.
Specializing in bioengineering and tumor micro-environment in cancer development and progression, Andrew Nguyen, M.D., is an assistant clinical professor in the Division of Surgical Oncology in the Department of Surgery at City of Hope.
Karla Olmedo, M.D., is a rising star in medical oncology and hematology. Dr. Olmedo is driven by the pursuit of advances in immunology and the promise of cell therapy in effectively fighting cancer.
Krushangi Patel, M.D., is a highly engaged practitioner who prioritizes not only her patients' physical well-being but also their emotional and spiritual needs.
Nerses Simon Tchekmedyian, M.D., F.A.C.P., is a medical oncologist and hematologist at City of Hope's Orange County, Long Beach, and Seacliff locations. Dr. Tchekmedyian is also a clinical professor in the Department of Medical Oncology & Therapeutics Research.
Lihong Wu, M.D., is a medical oncologist and hematologist at City of Hope's Long Beach locations. Dr. Wu has made it her mission to help others triumph over cancer. She prides herself on being there for her patients and finding the best possible treatments for them.
Christian Co Lu, M.D., M.H.S., is a patient-centric physician with 15+ years of experience in medical care.
Peter Ngo, M.D., is an assistant clinical professor, Department of Medical Oncology and Therapeutics Research at City of Hope Long Beach Elm and Worsham.
Karla Olmedo, M.D., is a rising star in medical oncology and hematology. Dr. Olmedo is driven by the pursuit of advances in immunology and the promise of cell therapy in effectively fighting cancer.
Krushangi Patel, M.D., is a highly engaged practitioner who prioritizes not only her patients' physical well-being but also their emotional and spiritual needs.
Nerses Simon Tchekmedyian, M.D., F.A.C.P., is a medical oncologist and hematologist at City of Hope's Orange County, Long Beach, and Seacliff locations. Dr. Tchekmedyian is also a clinical professor in the Department of Medical Oncology & Therapeutics Research.
Lihong Wu, M.D., is a medical oncologist and hematologist at City of Hope's Long Beach locations. Dr. Wu has made it her mission to help others triumph over cancer. She prides herself on being there for her patients and finding the best possible treatments for them.
Nikki Zahabi, D.O., is an assistant clinical professor with a strong background in internal medicine and critical care.
City of Hope Orange County Lennar Foundation Cancer Center features the latest and most comprehensive suite of market-leading technology for screening, diagnosing and treating cancer, delivered by highly-specialized experts who raise the bar for scientific expertise and exceptional outcomes. The cancer center is seamlessly connected to Orange County's only cancer specialty hospital, forming the Irvine Academic Research Campus. Patients receive fully integrated, multidisciplinary cancer care in one convenient location.
Orange County Stories
Orange County Newsroom
City of Hope Orange County leaders and physicians are available to provide commentary on a wide range of healthcare topics and cancer-focused news.