
Together We Deliver Hope
City of Hope believes that patients benefit from a collaboration between us and their referring physicians. We work in partnership with you, communicating with you frequently, and focusing on helping patients return to your care when they complete their treatment. This is how we foster collaborative innovation and provide better care for our community.
As a National Cancer Institute-designated comprehensive cancer center, City of Hope is a recognized leader in innovative discoveries and novel treatments that revolutionize the fields of cancer research as well as cancer prevention, detection and care. This means your patient will be treated in accordance with the most up-to-date, evidence-based guidelines and have access to promising new therapies.

We will work with your patient to complete the registration process and to schedule an appointment at the patient's convenience. You will be notified once the appointment is scheduled, and we will continue to work with you and your office to coordinate care during and after the patient's treatment at City of Hope Orange County.
Contact one of our Orange County clinics directly Monday through Friday, 8 a.m. to 5 p.m.
After-hour calls will be answered within one business day.
City of Hope provides innovative and groundbreaking techniques for the treatment of cancer. Refer your patient today.
Our expertise in infusion therapy goes beyond cancer-related medicine. Our knowledgeable staff are experienced in the safe handling and administration of non-oncology medical infusions.

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.

Nairi Berner, MD is an Assistant Clinical Professor, Department of Diabetes, Endocrinology & Metabolism.

Dr. Azra Borogovac is an Assistant Clinical Professor, Department of Hematology & Hematopoietic Cell Transplantation at City of Hope Orange County

Dr. Jennifer Chen is a Lead Breast Imager and Assistant Clinical Professor, Department of Diagnostic Radiology at City of Hope Orange County

Dr. Jessica Cheng is an Assistant Clinical Professor, Department of Supportive Care Medicine at City of Hope Orange County. Dr Cheng is among the nation’s few, and Orange County’s only, fellowship-trained experts in cancer rehabilitation medicine.

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 Glendora and Pasadena..

P. Grace Harrell, MD, MPH is a Associate Clinical Professor Department: 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.

Irene Kang, M.D., is medical director of women’s health medical oncology and assistant professor in medical oncology and therapeutics research.
Mohamad N. Barakat, M.D., is a medical oncologist and hematologist at City of Hope's Huntington Beach and Irvine Sand Canyon locations. Dr. Barakat focuses on working as a team with fellow experts from across oncology specialties and offering access to leading-edge technology at City of Hope.
Luke Chen, M.D., is a medical oncologist and hematologist at City of Hope's Huntington Beach and Irvine Sand Canyon locations. Dr. Chen’s research has explored ways to improve treatment for pancreatic 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.
Yaser Homsi, M.D., is a hematologist and medical oncologist at City of Hope's Huntington Beach, Irvine Sand Canyon and Newport Beach Lido locations. He is also an assistant clinical professor in the Department of Medical Oncology & Therapeutics Research.
Sudarsan Vishnu Kollimuttathuillam, M.D., is a medical oncologist and hematologist at City of Hope's Huntington Beach and Irvine Sand Canyon 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's Huntington Beach and Irvine Sand Canyon 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 Torrance, Huntington Beach, Irvine Sand Canyon and Newport Beach Lido locations. Dr. Tchekmedyian has led innovative research into a potential immunotherapy for patients with advanced prostate cancer and a new
N. Simon Tchekmedyian, M.D., is a medical oncologist and hematologist at City of Hope's Huntington Beach, Irvine Sand Canyon, Long Beach Elm and Torrance locations. Dr. Tchekmedyian is also a clinical professor in the Department of Medical Oncology & Therapeutics Research.
Mohamad N. Barakat, M.D., is a medical oncologist and hematologist at City of Hope's Huntington Beach and Irvine Sand Canyon locations. Dr. Barakat focuses on working as a team with fellow experts from across oncology specialties and offering access to leading-edge technology at City of Hope.
Luke Chen, M.D., is a medical oncologist and hematologist at City of Hope's Huntington Beach and Irvine Sand Canyon locations. Dr. Chen’s research has explored ways to improve treatment for pancreatic cancer and other malignancies.
Dilruba Haque, M.D., is a medical oncologist and hematologist and an assistant clinical professor in the Department of Medical Oncology & Therapeutics Research. Dr. Haque is located at City of Hope's Irvine Sand Canyon and Newport Beach Lido offices.
Sudarsan Vishnu Kollimuttathuillam, M.D., is a medical oncologist and hematologist at City of Hope's Huntington Beach and Irvine Sand Canyon 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's Huntington Beach and Irvine Sand Canyon 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 Torrance, Huntington Beach, Irvine Sand Canyon and Newport Beach Lido locations. Dr. Tchekmedyian has led innovative research into a potential immunotherapy for patients with advanced prostate cancer and a new
N. Simon Tchekmedyian, M.D., is a medical oncologist and hematologist at City of Hope's Huntington Beach, Irvine Sand Canyon, Long Beach Elm and Torrance locations. Dr. Tchekmedyian is also a clinical professor in the Department of Medical Oncology & Therapeutics Research.

Monzr M. Al Malki, M.D., is an associate professor in the Department of Hematology & Hematopoietic Cell Transplantation and is board certified in internal medicine, hematology and medical oncology at City of Hope.

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 an hematologist - oncologist and associate professor in the department of Hematology & Hematopoietic Cell Transplantation.

Hang T. Dang, D.O., is a breast surgical oncologist specializing in breast cancer surgery at City of Hope | Newport Beach.
Misagh Karimi, M.D., is a medical oncologist who is passionate about patient education, appearing frequently at community forums to discuss obesity, the environment and other possible risk factors for cancer.

Edward S. Kim, M.D., M.B.A., is the physician-in-chief of City of Hope Orange County and Vice Physician-in-Chief of City of Hope National Medical Center Dr. Kim joins City of Hope in fulfilling its promise of enhanced local access to cancer breakthroughs by leading its esteemed team of clinicians in

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.
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.

Guido Marcucci, M.D., is professor and chair of the Department of Hematological Malignancies Translational Science and chief of the Division of Leukemia.

Sumanta Kumar Pal, M.D., 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.
Dilruba Haque, M.D., is a medical oncologist and hematologist and an assistant clinical professor in the Department of Medical Oncology & Therapeutics Research. Dr. Haque is located at City of Hope's Irvine Sand Canyon and Newport Beach Lido offices.
Yaser Homsi, M.D., is a hematologist and medical oncologist at City of Hope's Huntington Beach, Irvine Sand Canyon and Newport Beach Lido locations. He is also an assistant clinical professor in the Department of Medical Oncology & Therapeutics Research.

George Semeniuk III, M.D., is a hematologist/oncologist specializing in leukemia, lymphoma and hematopoietic cell transplantation.
Our research, specialized physicians, and groundbreaking therapies set us apart, and we lead the region in cutting-edge clinical trials. We're here to tackle even late-stage lung cancer, giving your patients a hand to hold and hope along the way.
Our top-ranked breast cancer physicians and other specialists help those with breast cancer navigate and manage their care, from diagnosis to treatment and transition to recovery.
When your patient receives a prostate cancer diagnosis, they need the best, most innovative treatments and internationally recognized clinician-scientists by their side.
City of Hope's world-renowned colorectal team combines a multidisciplinary team approach with the newest, leading-edge colorectal genetic screening to provide your patients with the most accurate diagnosis and treatment path.
With the increased use of chemotherapy for indications other than cancer, many clinicians and patients have concerns about their safe handling and administration in non-oncology settings. City of Hope, a world-class cancer treatment and research center, has decades of experience with infusion products and administration. Available at our Orange County locations, this expertise is now closer to home for your patients.
"City of Hope is in Orange County to provide world-renowned research, pioneering therapies, and nationally-recognized compassionate care for patients with common or complex cancers. Our focus is on the future of cancer care and providing the best chance for cancer survival."
— Edward Kim M.D., M.B.A., Physician-in-Chief at City of Hope Orange County and nationally recognized advocate for expanding access to lifesaving clinical trials
