HealthcareDiscovery.AI / Doctors / California / Occupational Medicine

Occupational Medicine Doctors in California

Data updated monthly · Last refresh October 2026

414 Occupational Medicine providers practice in California, including 8 (2%) offering telehealth. The largest concentration is in San Diego. 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.

414providers
8telehealth
San Diegotop city

Occupational Medicine by city in California

Choose a city to see providers there.

Occupational Medicine in San Diego37 providers
Occupational Medicine in San Francisco24 providers
Occupational Medicine in Los Angeles23 providers
Occupational Medicine in Sacramento16 providers
Occupational Medicine in Oakland11 providers
Occupational Medicine in Loma Linda9 providers
Occupational Medicine in Irvine9 providers
Occupational Medicine in Long Beach7 providers
Occupational Medicine in San Jose7 providers
Occupational Medicine in Bakersfield7 providers
Occupational Medicine in Anaheim7 providers
Occupational Medicine in Fresno6 providers
Occupational Medicine in Riverside6 providers
Occupational Medicine in Orange5 providers
Occupational Medicine in Milpitas5 providers
Occupational Medicine in Stockton5 providers
Occupational Medicine in Rancho Cucamonga5 providers
Occupational Medicine in Vallejo5 providers
Occupational Medicine in Cupertino5 providers
Occupational Medicine in Roseville4 providers
Occupational Medicine in Richmond4 providers
Occupational Medicine in South San Francisco4 providers
Occupational Medicine in Sunnyvale4 providers
Occupational Medicine in Walnut Creek4 providers

Occupational Medicine 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. Jerome Chester, MD
Cupertino, CA · No drug or device payments recorded (2025) · (408) 236-6160
Dr. Jin Kim, MD
Cupertino, CA · No drug or device payments recorded (2025) · (408) 236-6400
Dr. Liliana Sackett, MD
Cupertino, CA · No drug or device payments recorded (2025) · (408) 236-6400
Dr. Robert Wachs, MD
Cupertino, CA · No drug or device payments recorded (2025) · (408) 236-6400
Dr. Roy Wong, MD
Cupertino, CA · No drug or device payments recorded (2025) · (408) 236-6400
Dr. Elizabeth Sutherland, M.D.
Danville, CA · No drug or device payments recorded (2025) · (925) 718-8956
Dr. Bruce Leistikow, MD
Davis, CA · No drug or device payments recorded (2025) · (530) 752-1011
Dr. Thomas Ferguson, M.D., PH.D.
Davis, CA · No drug or device payments recorded (2025) · (530) 752-2300
Dr. Michelle Wueste, M.D.
Edwards Afb, CA · No drug or device payments recorded (2025) · (661) 277-2573
Dr. Anton Volpicelli, D.O.
El Segundo, CA · No drug or device payments recorded (2025) · (310) 640-9911
Dr. Benjamin Stork, DO, MPH
El Segundo, CA · No drug or device payments recorded (2025) · (310) 653-2873
Dr. Michael Randall, M.D.
Encino, CA · No drug or device payments recorded (2025) · (310) 601-4404
Dr. Monte Bible, D.O.
Escondido, CA · No drug or device payments recorded (2025) · (760) 747-8121
Dr. Stephen Mandaro, M.D.
Fair Oaks, CA · No drug or device payments recorded (2025) · (916) 209-8505
Dr. Evelyn Fainsztein, M.D.
Folsom, CA · No drug or device payments recorded (2025) · (916) 351-4800
Dr. Meredith Tallman, MD
Folsom, CA · No drug or device payments recorded (2025) · (916) 817-5000
Dr. Guirguis Hanna, MD
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-3910
Dr. Lauri Hemsley, MD
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-3910
Dr. Richard Yu, MD
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-3910
Dr. Xiaoguang Wang, M.D.
Fontana, CA · $15 in drug and device payments (2025) · (909) 880-6400
Dr. Michael Bezouska, DO, MS
Fpo, CA · No drug or device payments recorded (2025) · (315) 255-8400
Dr. Alan Hsu, MD
Fremont, CA · $1,094 in drug and device payments (2025) · (510) 795-3000
Dr. Melinda Carol, MD MPH
Fremont, CA · No drug or device payments recorded (2025) · (510) 585-2545
Dr. Kandarp Shah, MD
French Camp, CA · No drug or device payments recorded (2025) · (209) 468-6032
Dr. Amarjit Mangat, MD
Fresno, CA · No drug or device payments recorded (2025) · (559) 448-4500
Dr. Anthony Bianchi, MD
Fresno, CA · No drug or device payments recorded (2025) · (559) 224-6754
Dr. Belayneh Abejie, MD
Fresno, CA · No drug or device payments recorded (2025) · (866) 342-6012
Dr. Gary Hatcher, D.O.
Fresno, CA · No drug or device payments recorded (2025) · (615) 778-4066
Dr. Shahzad Jahromi, MD
Fresno, CA · No drug or device payments recorded (2025) · (559) 448-4500
Dr. Tony Fernandez, MD
Fresno, CA · No drug or device payments recorded (2025) · (559) 499-2400
Dr. Christine Cho
Gardena, CA · No drug or device payments recorded (2025) · (310) 527-5600
Dr. Minh Nguyen, DO
Gardena, CA · $62 in drug and device payments (2025) · (424) 292-3260
Dr. Geoffrey Gean, M.D.
Glendale, CA · No drug or device payments recorded (2025) · (818) 502-2050
Dr. Harald Becker, M.D.
Glendale, CA · No drug or device payments recorded (2025) · (818) 502-2050
Dr. Thomas Reaper, MD, MPH
Goleta, CA · No drug or device payments recorded (2025) · (805) 455-3682
Dr. Jin Xiao, MD
Harbor City, CA · No drug or device payments recorded (2025) · (310) 325-5111
Dr. Xing Yang, M.D.,PH.D.,M.S.P.H.
Harbor City, CA · No drug or device payments recorded (2025) · (310) 517-3739
Dr. Nima Alipour, D.O.
Hawthorne, CA · No drug or device payments recorded (2025) · (888) 663-6331
Dr. Leslie Oshita, MD
Hayward, CA · No drug or device payments recorded (2025) · (510) 784-4000
Dr. Aboaba Afilaka, M.D.
Hilmar, CA · No drug or device payments recorded (2025) · (209) 262-1819
Dr. Robert Perkins, MD, MPH
Huntington Beach, CA · No drug or device payments recorded (2025) · (714) 896-5181
Dr. Robert Vu, MD
Huntington Beach, CA · No drug or device payments recorded (2025) · (714) 475-1100
Dr. Alya Khan, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 824-8685
Dr. Julie Fuller, MD
Irvine, CA · No drug or device payments recorded (2025) · (949) 863-9103
Dr. Marion Fedoruk, MD
Irvine, CA · No drug or device payments recorded (2025) · (949) 824-8641
Dr. Neesha Mody, MD
Irvine, CA · No drug or device payments recorded (2025) · (949) 824-8641
Dr. Rasoul Montazeri, D.O.
Irvine, CA · No drug or device payments recorded (2025) · (949) 408-1000
Dr. Sonya Buchanan, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 206-9100
Dr. Steven Rosen, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 253-3114
Dr. Tracy Lee, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 824-8641

Common questions

How many Occupational Medicine providers are in California?

There are 414 Occupational Medicine providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.

Do Occupational Medicine providers in California offer telehealth?

Yes. 8 of the 414 Occupational Medicine providers in California (about 2%) report offering telehealth services in CMS data.

Which cities in California have the most Occupational Medicine providers?

San Diego (37), San Francisco (24), Los Angeles (23) have the highest concentration of Occupational Medicine providers in California.

How many Occupational Medicine providers in California received drug or device company payments?

44 of 414 Occupational Medicine providers in California (11%) 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.

Related reading on HealthcareDiscovery.AI

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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 Occupational Medicine in California? Get featured.