Board of Directors

Pushpendu Banerjee, MD

Dr. Banerjee is Board Certified in Internal Medicine and Medical Oncology,  practicing in La Jolla since 1997.  He is an active member of the American Societies of Hematology and Clinical Oncology, the American Society of Physicians, and the National Association of Inpatient Physicians, as well as the American Medical Society.  Dr. Banerjee is currently part of POHA and is a consultant at the Scripps Memorial Hospital La Jolla where he sees a variety of hematological and malignant conditions. He is currently a physician with cCare Physicians, practicing in La Jolla.  Dr. Banerjee is the Chairman of the Board for the XiMED Medical Group Board of Directors, and Chairman of the Board for the Health Excel IPA Board of Directors.  He also serves on the XiMED Hospitalists Board of Directors.

Gene Ma, M.D.

Dr. Gene Ma is a critical care specialist in Oceanside, California. He is Board Certified in Emergency Medicine. Dr. Ma received his medical degree from University of California San Francisco School of Medicine.  He completed his internship at the Stanford School of Medicine, and his residency at the University of California, San Diego.  In 2012, he became executive director of Tri-City Emergency Medical Group and WorkPartners.  Dr. Ma served as Chief of Staff of Tri-City Medical Center in Oceanside from 2015-2016.  He is a Fellow of the American College of Emergency Physicians and a Voluntary Assistant Clinical Professor of Medicine at the University of California, San Diego.

Michael Martin, M.D.

Dr. Martin graduated from Oregon Health Sciences University in 1984.  He received his Board Certification in Anesthesiology in 1989.  Dr. Martin completed his residency at Legacy Emmanuel Hospital/Health Center in 1985, and his Residency at University of California San Diego.  He is currently practicing with Anesthesiology Medical Group, but was also the ASMG President from 1994-1998. Dr. Martin also served on the ASMG Board of Directors from 1993-2004, and served as Chairman of the Department of Anesthesiology at Scripps Memorial Hospital La Jolla from 2012-2016.  Dr. Martin joined the Health Excel Board of Directors in 2018.

Thomas C. Sounhein, J.D., President, CEO

Thomas Sounhein is a licensed attorney who has over 20 years experience in the healthcare industry in both legal and management positions. He has served as Chief Executive Officer for several large healthcare companies. Mr. Sounhein is currently the Chief Executive Officer for all the entities under the XiMED umbrella including XiMED Medical Group, XiMED Hospitalists, XiMED IPA, XiMED Foundation, XiMED Wound Care, and the Scripps/XiMED Medical Center.  He is the President/CEO ofHealth Excel.