Meet our Orange County Physician Scientists
Meet some of the world’s most acclaimed physician-scientists — with expertise in lung, breast, gastrointestinal, gynecological, genitourinary, blood cancers and more – assembled from across the country. They’re leading next-level cancer treatment and research.
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.
Ibrahim T. Aldoss, M.D., is a hematologist-oncologist and board certified in internal medicine, medical oncology and hematology. His clinical expertise is in acute lymphoblastic leukemia and acute myeloid leukemia.
Haris Ali, M.D., is a hematologist-oncologist and associate professor in the Department of Hematology & Hematopoietic Cell Transplantation.
Nairi Berner, M.D., is an Assistant Clinical Professor, Department of Diabetes, Endocrinology & Metabolism. Endocrinologist Nairi Berner, M.D., M.S., centers her approach to patient care on trust and partnership.
Tanuja Bhandari, M.D., is a radiation oncologist at City of Hope who is well-versed in all forms of radiation oncology, including intraoperative radiation therapy.
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.
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.
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.
Krisstina Gowin, D.O., is an associate clinical professor in the Department of Medical Oncology and Therapeutics Research at City of Hope Orange Count.
Stacy W. Gray, M.D., is the Clinical and Scientific Strategy Director and Vice President of System Strategy at City of Hope. She is a professor and member of the Division of Clinical Cancer Genomics, Department of Medical Oncology & Therapeutics Research, with a secondary appointment in the
P. Grace Harrell, M.D., M.P.H., is an associate clinical professor, Department of Anesthesiology.
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.
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Dr. Natalie Johnson is a prominent specialist in surgery for breast cancer, thyroid cancer, parathyroid disease, and melanoma.
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.
Edward S. Kim, M.D., M.B.A., is the physician-in-chief of City of Hope Orange County, vice physician-in-chief of City of Hope National Medical Center, professor in the Department of Medical Oncology & Therapeutics Research, and Physician-in-Chief Chair of the Construction Industries Alliance City of
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.
Ngoc N. Le, MD, is recognized as one of the country’s emerging experts on diagnostic and interventional radiology. She is noted for her contributions to advancing a broad range of radiology techniques and her findings have been presented at sessions of the American Society of Neuroradiology, the
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.
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.
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.
Danny Nguyen, M.D., is a medical oncologist and hematologist at City of Hope Orange County's Lennar Foundation Cancer Center and Seacliff locations. Dr. Nguyen is also an assistant clinical professor in the Department of Medical Oncology & Therapeutics Research.
Charles B. Nguyen, M.D., is an assistant clinical professor in the Department of Medical Oncology & Therapeutics Research at City of Hope Orange County.
Sumanta Kumar Pal, M.D., FASCO, is an internationally recognized leader in the area of genitourinary cancers. He is the co-director of City of Hope's Kidney Cancer Program and is the head of the kidney and bladder cancer disease team at the institution.
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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.
Alessio Pigazzi, M.D., Ph.D., F.A.C.S., F.A.S.C.R.S. is an executive medical director, colorectal surgery and vice chair of clinical network affairs for the Department of Surgery, City of Hope.
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.
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., is a hematologist and medical oncologist at City of Hope's Orange County and Seacliff locations.
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.
Jennifer Tseng, M.D., 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.
Yanghee Woo, M.D., is director of the Gastroenterology Minimally Invasive Therapy Program.
Jennifer S. Woo, M.D., is a pathologist and Medical Director of Blood Bank and Transfusion Medicine Services.
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, Newport Beach and Seacliff 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.
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.
Danny Nguyen, M.D., is a medical oncologist and hematologist at City of Hope Orange County's Lennar Foundation Cancer Center and Seacliff locations. Dr. Nguyen is also an assistant clinical professor in the Department of Medical Oncology & Therapeutics Research.
Nishan Tchekmedyian, M.D., is a hematologist and medical oncologist at City of Hope's Orange County and Seacliff locations.
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.
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, Newport Beach and Seacliff locations.
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.
Christian Co Lu, M.D., M.H.S., is a patient-centric physician with 15+ years of experience in medical care.
Monzr M. Al Malki, M.D., is a professor in the Department of Hematology & Hematopoietic Cell Transplantation and is board certified in internal medicine, hematology and medical oncology at City of Hope.
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.
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
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.
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.
Dr. Pourhassan specializes in the treatment of acute lymphoblastic leukemia and acute myeloid leukemia, with over a decade of experience treating blood cancers.
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.
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, Newport Beach and Seacliff locations.
Christian Co Lu, M.D., M.H.S., is a patient-centric physician with 15+ years of experience in medical care.
Karla Olmedo, M.D., is a rising star in hematology/oncology. Dr. Olmedo is driven by the pursuit of advances in immunology and the promise of cell therapy in effectively fighting cancer.
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 Elm and Worsham 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.
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 hematology/oncology. Dr. Olmedo is driven by the pursuit of advances in immunology and the promise of cell therapy in effectively fighting cancer.
Lihong Wu, M.D., is a medical oncologist and hematologist at City of Hope's Long Beach Elm and Worsham 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.