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. Ruchi DesaiLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 267-9643 Dr. Ruchi JainLos Angeles, CA · No drug or device payments recorded (2025) ·
(805) 418-3500 Dr. Sadie De Silva, MDLos Angeles, CA · $16 in drug and device payments (2025) ·
(310) 267-9643 Dr. Sameh Ghattas, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(424) 338-8000 Dr. Samuel PenzinerLos Angeles, CA · No drug or device payments recorded (2025) ·
(562) 273-2376 Dr. Sanda Chelliah, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(661) 949-5000 Dr. Sandra Kang, MDLos Angeles, CA · $14 in drug and device payments (2025) ·
(323) 783-7052 Dr. Sarah Javaherifar, MD, MPHLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 783-4011 Dr. Sarah Vaulman, D.O.Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 423-5252 Dr. Scott Fassas, MS, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(833) 574-2273 Dr. Scott Toporek, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 423-5520 Dr. Sean Grewal, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-5100 Dr. Seewan KimLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 267-7849 Dr. Sharona Hariri, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 267-9643 Dr. Shawna ChagouryLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 825-7375 Dr. Shazia Khan, M.D.Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth ·
(323) 442-8500 Dr. Shemi Jalil, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 226-7556 Dr. Shira Peress, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 267-9643 Dr. Shivani Shah, M.D.Los Angeles, CA · $341 in drug and device payments (2025) ·
(323) 442-5100 Dr. Shreyas SrinivasLos Angeles, CA · No drug or device payments recorded (2025) ·
(800) 954-8000 Dr. Shruthi Vijayalakshmi, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-5100 Dr. Sonia Bharel, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-5100 Dr. Sonia LinLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-5100 Dr. Srija Vangala, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 319-4698 Dr. Stacey Stauber, M.D.Los Angeles, CA · $98 in drug and device payments (2025) ·
(310) 267-9129 Dr. Stefan NguyenLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-5100 Dr. Stephanie Parmeter, MDLos Angeles, CA · $34 in drug and device payments (2025) ·
(310) 267-9643 Dr. Stephanie Zia, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-5100 Dr. Suh Lee, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 267-9643 Dr. Tanvir Rahman, MDLos Angeles, CA · $143 in drug and device payments (2025) ·
(310) 267-9643 Dr. Timothy Rosencrans, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 267-9643 Dr. Tony Khang, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 409-6571 Dr. Troy Kincaid, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 267-9643 Dr. Tyler Jarrett, MD MPHTMLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 267-9643 Dr. Vanessa Castillo, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 409-7556 Dr. Victor Chen, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(132) 378-3489 Dr. Walter Wynne, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 874-0623 Dr. Wanes Barsemian, MDLos Angeles, CA · $56 in drug and device payments (2025) ·
(424) 338-8000 Dr. Weihuang NingLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-5100 Dr. Wei-i Wu, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-8500 Dr. Wen-ching TranLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 825-9111 Dr. Wendy Huang, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 319-4698 Dr. Wendy Simon, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 267-9643 Dr. William Winter, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 267-9643 Dr. Wilson Ricketts, MDLos Angeles, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 267-9643 Dr. Ye Tian, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 267-9643 Dr. Yi-wei LiuLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-5100 Dr. Yovani Llamas Valle, DO, PHDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 267-9643 Dr. Zubair IlyasLos Angeles, CA · $23 in drug and device payments (2025) ·
(310) 267-9643 Dr. Jeffrey Juanlu, D.O.Los Gatos, CA · No drug or device payments recorded (2025) ·
(408) 866-4036 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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