BOARD OF DIRECTORS (as of December 31, 2025)
Gregg Pottorff, M.D.
(Chair/President)
Orthopedic Surgery, Oakland
Steve Kaplan, M.D.
(Vice Chair/Vice President)
Family Medicine, Clayton
Mimi Sato-Re, M.D.
(Treasurer)
Family Medicine, El Dorado Hills
Francisco L. Garcia, M.D.
(Secretary)
Family Medicine, Sacramento
Joshua Adler, M.D.
Internal Medicine, San Francisco
Harpreet Grewal, M.D.
Family Medicine, Tracy
Ruth Haskins, M.D.
Obstetrics/Gynecology, Folsom
Mary Horner, M.D.
Dermatology, Sacramento
Kevin Hsieh, M.D.
Neurological Surgery, Sacramento
Imran Junaid, M.D.
Internal Medicine and Allergy, Walnut Creek
Leena Kamat, M.D.
Family Medicine, San Ramon
Daren Primack, M.D.
Cardiology, Stockton
Learn more at HillPhysicians.com
