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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 in Los Angeles231 providers
Hospitalist in San Diego173 providers
Hospitalist in San Francisco161 providers
Hospitalist in Sacramento155 providers
Hospitalist in Palo Alto109 providers
Hospitalist in West Hollywood99 providers
Hospitalist in Santa Monica96 providers
Hospitalist in Oakland84 providers
Hospitalist in Orange81 providers
Hospitalist in Fresno80 providers
Hospitalist in Walnut Creek68 providers
Hospitalist in La Jolla67 providers
Hospitalist in Newport Beach65 providers
Hospitalist in Modesto61 providers
Hospitalist in Roseville53 providers
Hospitalist in Rancho Mirage53 providers
Hospitalist in San Jose46 providers
Hospitalist in Irvine41 providers
Hospitalist in Santa Clara41 providers
Hospitalist in Santa Cruz40 providers
Hospitalist in Mountain View36 providers
Hospitalist in Berkeley33 providers
Hospitalist in Bakersfield31 providers
Hospitalist in Pasadena31 providers

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. Gurkaran Garcha, M.D.
Folsom, CA · No drug or device payments recorded (2025) · (916) 351-4800
Dr. Harkanwal Singh, MD
Folsom, CA · No drug or device payments recorded (2025) · (916) 351-4800
Dr. Ilya Khamishon, M.D.
Folsom, CA · $245 in drug and device payments (2025) · (916) 986-4426
Dr. Janani Kumaresan, MD
Folsom, CA · No drug or device payments recorded (2025) · (916) 351-4800
Dr. Johnny Nguyen, MD
Folsom, CA · No drug or device payments recorded (2025) · (916) 351-4800
Dr. Kanwaljit Kahlon, M.D.
Folsom, CA · No drug or device payments recorded (2025) · (916) 351-4800
Dr. Masoud Ghaemmaghami, M.D.
Folsom, CA · No drug or device payments recorded (2025) · (916) 351-4800
Dr. Murali Adusumalli, M.D.
Folsom, CA · No drug or device payments recorded (2025) · (916) 986-4426
Dr. Nirmal Singh, MD
Folsom, CA · No drug or device payments recorded (2025) · (916) 351-4800
Dr. Rajeswari Jayaraman, MD
Folsom, CA · No drug or device payments recorded (2025) · (916) 986-4426
Dr. Saiqua Nooreen, M.D.
Folsom, CA · No drug or device payments recorded (2025) · (916) 986-4426
Dr. Syama Varudu, M.D.
Folsom, CA · No drug or device payments recorded (2025) · (916) 986-4426
Dr. Tejvir Gill, MD
Folsom, CA · No drug or device payments recorded (2025) · (916) 351-4800
Dr. Vaishali Desai, M.D.
Folsom, CA · No drug or device payments recorded (2025) · (916) 351-4800
Dr. Vijay Singh, MD
Folsom, CA · No drug or device payments recorded (2025) · (916) 983-7461
Dr. Vincent Nguyen, MD
Folsom, CA · No drug or device payments recorded (2025) · (916) 351-4800
Dr. Andrew Cha, D.O
Fontana, CA · No drug or device payments recorded (2025) · (888) 750-0036
Dr. Deena Patel, D.O.
Fontana, CA · No drug or device payments recorded (2025) · (909) 302-4505
Dr. Fouzia Usman, M.D.
Fontana, CA · No drug or device payments recorded (2025) · (833) 574-2273
Dr. James Dinh, M.D.
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-6110
Dr. Julia Shih, DO
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-4128
Dr. Lorien Wallace, DO
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-5000
Dr. Seonah Cho, MD
Fontana, CA · No drug or device payments recorded (2025) · (909) 302-4505
Dr. Tania Choudhary, MD
Fontana, CA · No drug or device payments recorded (2025) · (833) 574-2273
Dr. Thoyaja Koritala, M.D.
Fontana, CA · No drug or device payments recorded (2025) · (833) 574-2273
Dr. Billy Le, D.O.
Fountain Valley, CA · No drug or device payments recorded (2025) · (714) 797-1797
Dr. David Chan, D.O.
Fountain Valley, CA · $40 in drug and device payments (2025) · (714) 395-4595
Dr. Iris Gluzman, MD
Fountain Valley, CA · No drug or device payments recorded (2025) · (714) 497-3033
Dr. Ky Vu, M.D.
Fountain Valley, CA · No drug or device payments recorded (2025) · (714) 501-5798
Dr. Rafay Haseeb, DO, MPH
Fountain Valley, CA · $136 in drug and device payments (2025) · (714) 378-5330
Dr. Robert Neilan, M.D.
Fountain Valley, CA · No drug or device payments recorded (2025) · (949) 340-9530
Dr. Sapna Mehta, DO
Fountain Valley, CA · No drug or device payments recorded (2025) · (714) 665-1797
Dr. Sara Ghazi, DO
Fountain Valley, CA · $40 in drug and device payments (2025) · (714) 395-4595
Dr. Tony Khan, DO
Fountain Valley, CA · No drug or device payments recorded (2025) · (949) 620-8753
Dr. Vina Nguyen, M. D.
Fountain Valley, CA · No drug or device payments recorded (2025) · (714) 665-1797
Dr. Yu-nan Hsu, D.O
Fountain Valley, CA · No drug or device payments recorded (2025) · (800) 641-4651
Dr. David Chiu, MD
Fremont, CA · No drug or device payments recorded (2025) · (510) 795-3000
Dr. Jyotsna Bomdica, MD
Fremont, CA · No drug or device payments recorded (2025) · (510) 795-3000
Dr. Karuna Gudur, MD
Fremont, CA · No drug or device payments recorded (2025) · (510) 795-3000
Dr. Manish Singhal, MD
Fremont, CA · No drug or device payments recorded (2025) · (209) 603-8524
Dr. Mayura Suryanarayan, MD
Fremont, CA · No drug or device payments recorded (2025) · (510) 795-3000
Dr. Nelson Newberry, MD
Fremont, CA · No drug or device payments recorded (2025) · (510) 795-3000
Dr. Niti Mann, DO
Fremont, CA · No drug or device payments recorded (2025) · (510) 795-3000
Dr. Parvathi Natarajan, MD
Fremont, CA · No drug or device payments recorded (2025) · (510) 795-3000
Dr. Phong Vo, MD
Fremont, CA · No drug or device payments recorded (2025) · (510) 795-3000
Dr. Ragini Vykunta, MD
Fremont, CA · No drug or device payments recorded (2025) · (510) 795-3000
Dr. Savitha Sundararaj, MD
Fremont, CA · No drug or device payments recorded (2025) · (510) 795-3000
Dr. Shambhavi Iyer, MD
Fremont, CA · No drug or device payments recorded (2025) · Telehealth · (510) 795-3000
Dr. Tabassum Alam, MD
Fremont, CA · No drug or device payments recorded (2025) · (510) 795-3000
Dr. Yamini Madhavan, MD
Fremont, CA · No drug or device payments recorded (2025) · Telehealth · (510) 490-1222

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.

Hospitalist in all 50 states Search all 3,110 in the directory Ask Zach for help choosing

Related

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Hospitalist in California? Get featured.