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 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. Wendy Shearn, MDSan Rafael, CA · No drug or device payments recorded (2025) ·
(415) 444-2000 Dr. Benedict Marciano, MDSan Ramon, CA · No drug or device payments recorded (2025) ·
(925) 487-9337 Dr. Brian Buder, M.D.Santa Ana, CA · No drug or device payments recorded (2025) ·
(714) 245-0800 Dr. Loretta Lee, M.D.Santa Ana, CA · No drug or device payments recorded (2025) ·
(714) 565-3780 Dr. Randolph Jones, MDSanta Ana, CA · No drug or device payments recorded (2025) ·
(714) 541-8464 Dr. Julie Peltz, MDSanta Clara, CA · No drug or device payments recorded (2025) ·
(408) 236-6400 Dr. Eric Jackson-scott, M.D.Santa Cruz, CA · $44 in drug and device payments (2025) ·
(831) 422-7777 Dr. Gregory Ogata, M.D.Santa Fe Springs, CA · No drug or device payments recorded (2025) ·
(562) 926-3440 Dr. Bruce Walker, M.D.Santa Maria, CA · $125 in drug and device payments (2025) ·
(805) 364-4412 Dr. Konstantin Zaharoff, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 571-4000 Dr. Robert Yee, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(615) 778-4066 Dr. Richard Cohen, MDSaratoga, CA · $14,122 in drug and device payments (2025) ·
(650) 245-0777 Dr. Daniel Bitner, MDSoquel, CA · No drug or device payments recorded (2025) ·
(831) 576-3000 Dr. David Kaye, DOSouth San Francisco, CA · No drug or device payments recorded (2025) ·
(650) 742-2000 Dr. Douglas Thierer, DOSouth San Francisco, CA · No drug or device payments recorded (2025) ·
(650) 742-2000 Dr. Lisa Key, MDSouth San Francisco, CA · No drug or device payments recorded (2025) ·
(650) 742-2000 Dr. Sandra Lee, MDSouth San Francisco, CA · No drug or device payments recorded (2025) ·
(650) 742-2000 Dr. Benjamin Schanker, MD MPHStanford, CA · $28 in drug and device payments (2025) ·
(650) 723-4000 Dr. Mark Cullen, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 721-6209 Dr. Alan Randle, MDStockton, CA · No drug or device payments recorded (2025) ·
(209) 957-2335 Dr. Corky Hull, M.D.Stockton, CA · No drug or device payments recorded (2025) ·
(209) 461-3196 Dr. Donald Rossman, M.D.Stockton, CA · No drug or device payments recorded (2025) ·
(209) 461-3196 Dr. Khin Chit, MDStockton, CA · No drug or device payments recorded (2025) ·
(209) 476-2000 Dr. Zhong Ling, MDStockton, CA · $17 in drug and device payments (2025) ·
(209) 476-2000 Dr. Jeffery Hess, M.D., M.S.Sunnyvale, CA · No drug or device payments recorded (2025) ·
(513) 939-8491 Dr. Myhanh Nguyen, MDSunnyvale, CA · $125 in drug and device payments (2025) · Telehealth ·
(408) 733-4380 Dr. Norma Kay Morrison, MDSunnyvale, CA · No drug or device payments recorded (2025) ·
(408) 733-4380 Dr. Richard Thompson, M.D.Sunnyvale, CA · No drug or device payments recorded (2025) ·
(408) 733-4380 Dr. Christopher Holmes, MEDICAL DOCTORTemecula, CA · No drug or device payments recorded (2025) ·
(951) 699-5282 Dr. David Dubin, M.D.Topanga, CA · No drug or device payments recorded (2025) ·
(310) 526-7421 Dr. Ellyn Mcintosh, M.D.Torrance, CA · No drug or device payments recorded (2025) ·
(310) 212-4705 Dr. U.a. Sexton, M.D.Torrance, CA · No drug or device payments recorded (2025) ·
(310) 373-3989 Dr. Daner Reider, M.D.Tustin, CA · No drug or device payments recorded (2025) ·
(714) 293-5943 Dr. Jerald Cook, M.D.Twentynine Palms, CA · No drug or device payments recorded (2025) ·
(760) 830-2002 Dr. Matthew Horch, MDTwentynine Palms, CA · No drug or device payments recorded (2025) ·
(760) 830-2117 Dr. Stephanie Sobczynski-patton, D.O., M.P.HUkiah, CA · No drug or device payments recorded (2025) ·
(707) 462-7900 Dr. Charlene Niizawa, M.D.Union City, CA · $15 in drug and device payments (2025) ·
(510) 454-1000 Dr. Rose Melgar, M.D.Union City, CA · No drug or device payments recorded (2025) ·
(510) 454-1000 Dr. Samuel Brown, MDVacaville, CA · No drug or device payments recorded (2025) ·
(707) 453-5000 Dr. Susan Barnard, M.D.Vacaville, CA · No drug or device payments recorded (2025) ·
(707) 624-2480 Dr. Brian Knapp, MDVallejo, CA · No drug or device payments recorded (2025) ·
(707) 651-1000 Dr. Jeffrey Gao, MDVallejo, CA · $277 in drug and device payments (2025) ·
(707) 651-1000 Dr. Michael Palomino, MDVallejo, CA · No drug or device payments recorded (2025) ·
(707) 651-1000 Dr. Phillip Wagner, MDVallejo, CA · No drug or device payments recorded (2025) ·
(707) 651-2243 Dr. Susan Lambert, MDVallejo, CA · No drug or device payments recorded (2025) ·
(707) 651-1000 Dr. Ephraim Gabriel, M.D., MPHVan Nuys, CA · No drug or device payments recorded (2025) ·
(818) 893-4426 Dr. Robert Shakman, M.D.Ventura, CA · No drug or device payments recorded (2025) ·
(805) 648-4274 Dr. A. Al-pachachi, M.D.Vernon, CA · No drug or device payments recorded (2025) ·
(323) 585-7162 Dr. Paul Anile, D.O.Vernon, CA · No drug or device payments recorded (2025) ·
(323) 585-7162 Dr. Victor Sulit, MD, MPHVictorville, CA · No drug or device payments recorded (2025) ·
(760) 962-1450 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.
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