Hospitalists in California
Data updated monthly · Last refresh October 2026
3,110 Hospitalist providers practice in California, including 149 (5%) offering telehealth. The largest concentration is in Los Angeles. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
3,110providers
149telehealth
Los Angelestop city
Hospitalist by city in California
Choose a city to see providers there.
Hospitalist providers in California
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Pei-tsui Wang, MDWalnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 295-4000 Dr. Peter Rowe, M.D.Walnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 946-1080 Dr. Prathibha Gubbi Ravishankar, MDWalnut Creek, CA · No drug or device payments recorded (2025) · Telehealth ·
(925) 295-4000 Dr. Preet Bhambra, D.O.Walnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 947-3393 Dr. Rami Fasheh, M.D.Walnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 947-3393 Dr. Ramon Ortiz, MDWalnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 295-4000 Dr. Ravinder Gupta, MDWalnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 295-4000 Dr. Robert Feren, M.D.Walnut Creek, CA · $25 in drug and device payments (2025) ·
(925) 947-3393 Dr. Romeo Palencia, MDWalnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 295-4000 Dr. Sandy Ramirez, MDWalnut Creek, CA · $22 in drug and device payments (2025) ·
(925) 947-3312 Dr. Satinder Pal, MDWalnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 295-4000 Dr. Srinivasa Shivakumar, MDWalnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 295-4000 Dr. Sunitha Annamaneni, MDWalnut Creek, CA · No drug or device payments recorded (2025) · Telehealth ·
(925) 295-4000 Dr. Susan Bell, MDWalnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 952-2888 Dr. Svetlana Kondratiouk, DOWalnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 295-4000 Dr. Thein Win, MDWalnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 295-4000 Dr. Thomas Cresante, D.O.Walnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 295-4643 Dr. Timothy Corfman, MDWalnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 295-4000 Dr. Tom Nguyen, M.D.Walnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 947-3393 Dr. Tsao-yu Liang, MDWalnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 295-4000 Dr. Vasili Dzerhachou, M.D.Walnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 947-3393 Dr. William Knapp, D.O.Walnut Creek, CA · $43 in drug and device payments (2025) ·
(925) 947-3393 Dr. Yungting Liao, MDWalnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 939-3000 Dr. Zsuzsanna Rad, M.D.Walnut Creek, CA · $39 in drug and device payments (2025) ·
(925) 952-2888 Dr. Anildeep Gill, DOWest Covina, CA · No drug or device payments recorded (2025) ·
(626) 962-4011 Dr. Gary Guo, M.D.West Covina, CA · $11 in drug and device payments (2025) ·
(626) 962-4011 Dr. Roofan Alsayegh, MDWest Hills, CA · $20 in drug and device payments (2025) ·
(818) 676-4000 Dr. Samir Parmekar, M.D.West Hills, CA · No drug or device payments recorded (2025) ·
(951) 278-5590 Dr. Stephanie Yanez, D.O.West Hills, CA · No drug or device payments recorded (2025) ·
(818) 676-4000 Dr. Adam Kawalek, M.D.West Hollywood, CA · No drug or device payments recorded (2025) ·
(213) 321-5191 Dr. Aditi Nag, M.D.West Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-5586 Dr. Adrienne Quinn, MD, MPHWest Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-5252 Dr. Alec SwinburneWest Hollywood, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 423-5252 Dr. Alexander Kelsall, MDWest Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-5252 Dr. Alexander PolyakWest Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-5252 Dr. Alexandria Renteria, MDWest Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-5252 Dr. Alice ZhangWest Hollywood, CA · No drug or device payments recorded (2025) ·
(650) 504-7295 Dr. Allen Yu, MDWest Hollywood, CA · $42 in drug and device payments (2025) ·
(310) 423-5252 Dr. Amir Aljilani, M.D.West Hollywood, CA · $73 in drug and device payments (2025) · Telehealth ·
(310) 423-5581 Dr. Anabel HughWest Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-5252 Dr. Ann Tran, M.D.West Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-5252 Dr. April Banayan, MDWest Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-5252 Dr. Austin Gonzalez, MDWest Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-5161 Dr. Ava Feng, M.D.West Hollywood, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 423-5252 Dr. Brandon TruongWest Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-5252 Dr. Brenda Hermogeno, M.D.West Hollywood, CA · $117 in drug and device payments (2025) ·
(323) 423-5520 Dr. Bryan Berry, M.D.West Hollywood, CA · $40 in drug and device payments (2025) · Telehealth ·
(310) 423-5252 Dr. Charlotte Zhang, M.D.West Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-5000 Dr. Charmaine Reghitto, MDWest Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-5252 Dr. Christopher Shepherd, M.D.West Hollywood, CA · $15 in drug and device payments (2025) ·
(310) 423-3277 Common questions
How many Hospitalist providers are in California?There are 3,110 Hospitalist providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Hospitalist providers in California offer telehealth?Yes. 149 of the 3,110 Hospitalist providers in California (about 5%) report offering telehealth services in CMS data.
Which cities in California have the most Hospitalist providers?Los Angeles (231), San Diego (173), San Francisco (161) have the highest concentration of Hospitalist providers in California.
How many Hospitalist providers in California received drug or device company payments?722 of 3,110 Hospitalist providers in California (23%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most Hospitalists in California work in independent practices or large health systems?Among 2,469 Hospitalists in California enrolled in Medicare, 5% bill through a solo or small practice with fewer than 10 clinicians, 13% through a mid-size group of 10 to 99, and 82% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Hospitalists in California work at?According to CMS facility affiliation records, the California hospitals where the most Hospitalists hold privileges are Ronald Reagan UCLA Medical Center in Los Angeles; Cedars-Sinai Medical Center in Los Angeles; Santa Monica - UCLA Med Ctr & Orthopaedic Hospital in Santa Monica.
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