Suggested Links:
Click here for a list of John Muir Physician Network OB/GYNs and Pediatricians in East County.
A wide variety of medical specialty offices are located in our facility. As office hours, hospital affiliation, participation in health plans and medical groups may vary, you are encouraged to call the office that best meets your family's needs.
We offer this online directory as a community service. Physicians listed here are not employees; some may be associated with John Muir Health.
Cardiology
Agustin Argenal, M.D.
(925) 671-0610
Kristine Batten, M.D.
(925) 516-3230
Andrew Benn, M.D.
(925) 516-3230
Shaun Cho, M.D.
(925) 516-3230
Matthew DeVane, D.O.
(925) 516-3230
Henry Gong, M.D.
(925) 634-0425
Patrick Kavanaugh, M.D.
(925) 671-0610
John Krouse, M.D.
(925) 516-3230
Paul McWhirter, M.D.
(925) 671-0610
Howard Min, M.D.
(925) 671-0610
Pramodh Sidhu, M.D.
(925) 516-3230
Mark Nathan, M.D.
(925) 516-3230
Arie Van Gemeren, M.D.
(925) 617-0610
Neal White, M.D.
(925) 516-3230
Christopher Wulff, M.D.
(925) 516-3230
Pediatric Cardiology
Andrew Maxwell, M.D.
(925) 416-6550
Endocrinology
Ammar Quobaitary, M.D.
(925) 634-0425
Internal Medicine/Pulmonary
Gerald Del Rio, M.D.
(925) 634-0425
Hsien-Wen Hsu, M.D.
(925) 634-0425
Neurosurgery
Geoffrey Adey, M.D.
(925) 516-3020
Terrence Chen, M.D.
(925) 516-3020
George Counelis, M.D.
(925) 516-3020
Richard Perrin, M.D.
(925) 516-3020
Oncology/Hematology
Ravi Arora, M.D.
(925) 778-0679
John Ganey, M.D.
(925) 778-0679
Jewel Johl, M.D.
(925) 932-4567
Ostap Melnyk, M.D.
(925) 778-0679
Bimal Patel, M.D.
(925) 778-0679
OB/GYN/Infertility
Yaron Friedman, M.D.
(925) 301-9875
Otolaryngology/Pediatric & Adult/CC ENT
Lloyd Ford, M.D.
(925) 685-7400
Benjamin Loos, M.D.
(925) 685-7400
Randall Wenokur, M.D.
(925) 685-7400
Podiatry
John Scivally
(925) 937-2860
Surgery General
Mary Cardoza, M.D., F.A.C.S.
(925) 516-0892
Phillip Polido, M.D., F.A.C.S.
(925) 516-0892
H. Ray Rassai, M.D., F.A.C.S.
(925) 516-0892
Bobby Glickman, M.D.
(925) 516-0892
Colon and Rectal
Ran Kim, M.D.
(925) 674-2626
Brian McGinness, M.D.
(925) 674-2626
Samuel Oommen, M.D.
(925) 674-2626
Cardiac
Jatinder Dhillon, M.D.
(925) 676-2600
Urology
John Roberts, M.D.
(925) 935-0627
Other Healthcare Providers
Dentistry
Valora Legaspi, D.D.S.
(925) 240-5808
Orthodontia
Yoshio Sakasegawa, D.D.S.
(925) 634-9794
Timeshare
The John Muir Outpatient Center, Brentwood includes an exciting opportunity for physicians to create an immediate presence in Brentwood without the expense of building out new office space. The timeshare suites offer the use of fully furnished offices, exam rooms, procedure rooms, reception area and the use of a medical receptionist all within the comfort of this beautiful, high quality medical building. Each time period is four hours either in the morning or afternoon. For more information, please call (925) 308-8050.