About Us


About RotaCare Bay Area

RotaCare Bay Area’s Board of Directors is directly responsible to state licensing agencies for the provision of quality medical care and provides legal governance for clinics within their geographical area.


RotaCare Bay Area’s Leadership Team provides a consistent, reliable level of service and support to our clinics.

Great doctors providing the best free care

Marshall Fordyce, MD – Coastside

Marshall Fordyce, MD is the Medical Director at the RotaCare Coastside Free Medical Clinic, where he has been a volunteer physician since 2010. Dr. Fordyce received his MD from Harvard Medical School and trained in Internal Medicine at NYU Bellevue Hospital, where he also served as Chief Resident. He specialized in Infectious Diseases and dedicated 15 years to the care of HIV patients – as a physician and clinician researcher at Columbia Presbyterian and Rockefeller University, and then in therapeutics development at Gilead Sciences in Foster City.


He currently serves as the Chief Executive Officer of Trucode Gene Repair, Inc., a biotechnology start-up focused on the translation of an in vivo gene editing platform to treat disease arising from genetic mutations. Dr. Fordyce is also an advisor with Google X, and serves on the Board of Directors of the Albert and Mary Lasker Foundation.

James Lessenger, MD – Concord

Dr. Lessenger practiced family medicine and occupational medicine for 35 years. His experience includes the military, Veterans Administration, jails, prisons, private practice, a Federally enrolled clinic, research, writing, and consulting. He retired in 2017 and after about 23 minutes of boredom, volunteered to be Medical Director of RotaCare Concord Free Medical Clinic. He also volunteers as the medical director of a drug and alcohol rehabilitation center.

Gregory Thompson, MD, MSc – Monterey

Gregory Thompson, MD, MSc, is board certified in Internal Medicine with credentials in biomedical informatics. He has practiced medicine in the U.S. Air Force and the Veterans Administration. He has been a physician executive with the VA and Humana Government Business, and is co-founder of MDInformatics, LLC, a medical technology consulting firm. He joined the RotaCare Monterey Free Medical Clinic in 2010 as a volunteer medical provider and assumed the role of Medical Director in 2012.

Alvin Zachariah, MD, MSc, is the Medical Director at the RotaCare No. Peninsula Free Medical Clinic in Daly City. He is also the Associate Director of Medical Affairs at a pharmaceutical company in the South bay. He is also involved in direct patient care as a Hospitalist and works at a community clinic. He did his residency in Internal Medicine at the University of Illinois at Urbana, IL and fellowship at UCLA. He served on the board of the Housing Authority and BPAC (Bicycle and Pedestrian Advisory Committee) for the City of South San Francisco. He also was a trustee at the San Mateo Vector Control District. 

RotaCare Facts

RotaCare Bay Area opened in 1989, founded by a local Rotarian with the support of his Rotary Club

RotaCare provides care to the growing population of working and unemployed residents who are unable to pay for primary healthcare

RotaCare Bay Area is heavily supported through grants, donations and the hard work of our volunteers

The UCLA Center for Health Policy Research estimates that even with the Affordable Care Act,11% of Californians will remain uninsured.

All RotaCare healthcare services provided at the clinic are free to the patient including medical exams, diagnostic testing, lab testing, and most pharmaceuticals

RotaCare saves taxpayers money providing patients accessible medical care in our community clinics rather than expensive emergency room care

Two unique things about RotaCare:
1) we provide free medical care 2) the organization is volunteer driven

Hamidreza Khonsari, MD – Pittsburg

Dr. Hamidreza Khonsari is a board-certified family physician. He graduated from Ross University School of Medicine in June of 1984 and completed his residency at Jamaica Hospital in New York in 1988. Dr. Khonsari was Chief Resident during his last year of residency. After completing his residency, Dr. Khonsari worked as an attending family practice physician at Jamaica Hospital and also served as acting Director of the Family Practice Program. From 1989 to 1998, Dr. Khonsari worked as a family practice physician for Humana in Tampa, Florida and also as a clinical preceptor for the University of South Florida’s medical school in Tampa.

In 1998, Dr. Khonsari started his private practice in Antioch, California and in 2005 incorporated his private practice. From 1999 to 2010, Dr. Khonsari was also the Director of Employee Health at Sutter Delta Medical Center in Antioch. Dr. Khonsari provides health care services for men, women, and children of all ages.

Dr. Khonsari is a certified advanced wound care management and hyperbaric oxygen specialist and treats complex wounds at Sutter Delta Hospital on a weekly basis. In 2014, Dr. Khonsari was recognized as Primary Care Physician of the year among 5000+ physicians in the Sutter Network.

Dr. Khonsari is the volunteer Medical Director at RotaCare Pittsburg Free Medical Clinic at St. Vincent de Paul. He also serves on the board of Families Without Borders, a non-profit organization serving in West Africa.

Photo by Don Melandry

Anthony Somkin, MD – Richmond

Anthony Somkin, MD, is currently the Medical Director of the RotaCare Richmond Free Medical Clinic. Prior to being named the clinic’s Medical Director in 2016, he served as a volunteer provider at the clinic.

Dr. Somkin received his Medical Degree from the University of Louisville School of Medicine. He did his Straight Medicine Internship and Medical Residency at the Brooklyn-Cumberland Medical Center, Brooklyn, New York, and a Fellowship in Medical Oncology at Mt. Zion Hospital and Medical Center, San Francisco. He was in private practice in internal medicine and medical oncology until he retired in 2013. Dr. Somkin then served as a Medical Supervisor in the Cardiac Rehabilitation Unit at Alta Bates Medical Center, the longest running cardiac rehabilitation unit in California.

He has also served as the Medical Director of the Shanti Project; Associate Professor, the Joint Medical Program at UC Berkeley and UCSF; consultant, Medical Oncology, Martinez General Hospital and Medical Center and Chairman of Medicine at the Herrick Hospital and Med Center in Berkeley.

Bruce Frambach, MD – San Jose

Bruce Frambach, M.D., grew up in Southern California, graduated from Stanford University and then the USC School of Medicine.  He completed his internal medicine residency at the Kaiser Santa Clara Medical Center.  He is board-certified in Internal Medicine.


Dr. Frambach retired in 2017 after 30+ years of practice at the Kaiser San Jose Medical Center. He has been volunteering at the RotaCare San Jose Free Medical Clinic since 2018.


Dr. Frambach finds working with the dedicated volunteers at the RotaCare San Jose Free Clinic Medical Clinic, providing much-needed medical services to members of the local underserved population, to be very rewarding and humbling.

Mike Ralston, MD – San Rafael

Mike Ralston graduated from UCLA School of Medicine in 1972, trained at Children’s Hospital of SF from 1972-1976 and was Board-certified in Internal Medicine in 1976. He joined The Permanente Medical Group in 1977 and practiced at Kaiser Permanente for 30 years until retiring in 2006.  For the last 12 years at KP, he was in medical management (quality improvement, accreditation/ regulation, and employer group relations). He began volunteering with RotaCare San Rafael Free Medical Clinic in 1998 and was appointed Medical Director of the San Rafael clinic in 2013.

Satish Chandra, MD, FACP – Santa Cruz

Satish Chandra MD, FACP, is a board certified physician in Internal Medicine and Geriatric Medicine. He practices medicine with the Dignity Medical Foundation.

Dr. Chandra earned his M.D. at Meerut University in India, 1972 and completed an Internal Medicine residency at St. Mary’s Hospital, an affiliate of the University of Rochester, 1980.

“I like to take care of people in need of medical care and being part of the RotaCare Santa Cruz Free Medical Clinic lets me give something back to the community where I live and is professionally rewarding.” said Dr. Chandra.


Dr. Felipa is a retired Internal Medicine provider who has been volunteering with the RotaCare Gilroy Free Medical Clinic for over a year. He is retired from his Private Practice in Maryland and moved to Gilroy with his wife, Janice, a retired RN, to be closer to his children.

Dr. Felipa has a long history of Mission work including outreach to Peru and continued work in the Amazon. He is a member of the local Rotary and has quickly become a champion of the Gilroy Clinic. We are excited that Dr. Felipa will be adding his years of experience to partner with Dr. Matsumoto in the oversight and continued care of our patients.

© 2018 by RotaCare Bay Area, Inc.

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RotaCare Bay Area, Inc. 

Sobrato Center for Nonprofits

514 Valley Way • Milpitas, CA 95035
Phone: 408-379-8000 • Fax: 408-263-8191