Our Team

At Medical Oncology Care Associates we have a dedicated team of prominent Hematologists/Oncologists who are board certified in internal medicine as well as Hematology/Oncology. “We believe in order to be a good Oncologist and Hematologist you need to be a good Internist first – a good, all-around-doctor as well as a cancer specialist and blood specialists. At the time of your first office visit, one specific physician will be designated as your personal physician. Should your physician be unavailable, one of our colleagues or our physician Assistant will be available to care for you.

Sam Huang

Sam Huang, M.D.

Dr. Huang joined Medical Oncology Care Associates in 1997. He received his Bachelor of Arts Degree in Biochemistry from Cornell University and graduated with distinction in 1987. He went on to complete his medical education and degree at Cornell in 1991. Dr. Huang then finished his residency training in Internal Medicine and fellowship training in Hematology and Oncology at UCI Medical Center.

Dr. Huang has extensive experience working with various types of cancer and their corresponding conventional chemotherapies. In addition, he has two years of intensive training in high-dosed chemotherapy and bone marrow transplantation. His warm, friendly smile and his very caring nature make Dr. Huang a pleasure to be around. He is a perfect fit to the team at Medical Oncology Care Associates.

In his free time, Dr. Huang spends time enjoying his daughter, Samantha. He loves distance running, playing basketball and spending time at the beach. He also enjoys playing the violin, which he has done for nearly 30 years.

Tariq Mahmood

Tariq Mahmood, M.D., FACP

A co-founder of Medical Oncology Care Associates, Dr. Mahmood completed his undergraduate work at the All India Institute of Medical Sciences. He went on to complete his residency training at the Henry Ford Hospital in Detroit, Michigan and, in 1976, was a Monfort Scholar in Hematology/Oncology at the University of Colorado. Professionally, Dr. Mahmood has taught several classes and written many publications on the subjects of Hematology and Oncology. Dr.Mahmood has an excellent rapport with his patients, attempting to understand and meet each individual patient’s needs whether physical or emotional. He believes his patient’s should be aware of the most up to date treatment and allows the patient to make the best choices for them.

In his spare time, Dr. Mahamood enjoys spending time with his family, especially at the beach. He enjoys traveling and listening to music.

XINYU NAN

XINYU NAN, M.D.

Dr. Nan went to University of Florida and received his Bachelor of Science Degree in Biochemistry and Finance. He then completed his medical education training at the Florida State University College of Medicine and received his Doctor of Medicine degree. Dr. Nan finished his Internal Medicine Residency training at Houston Methodist Hospital and completed his fellowship training in Hematology and Oncology at UCSD Medical Center.

Dr. Nan has extensive experience in various types of cancer. He practices evidence-based medicine and uses a novel approach including genetic testing, immunotherapy and targeted therapy in addition to conventional chemotherapy. He has several first authored publications and presentations in Lung Cancer, Head and Neck Cancer, Lymphoma, Leukemia and Immunotherapy. Dr. Nan is very passionate about taking care of patients with different social and cultural backgrounds. He is fluent in Mandarin and can communicate well with patients that may have language barriers. In his free time, Dr. Nan enjoys spending time with his wife and daughter, Lexi. He likes to travel, hike and spend time at the beach.