General Practitioners in California
Data updated monthly · Last refresh October 2026
1,956 General Practice providers practice in California, including 162 (8%) 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.
1,956providers
162telehealth
San Diegotop city
General Practice by city in California
Choose a city to see providers there.
General Practice 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. Lily Kozakowski, DOOceanside, CA · $21 in drug and device payments (2025) ·
(760) 725-1288 Dr. Lynn West, L.AC.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 978-7376 Dr. Mckennan Cook, MDOceanside, CA · No drug or device payments recorded (2025) ·
(719) 725-1288 Dr. Michaela Mcfadden, MDOceanside, CA · No drug or device payments recorded (2025) ·
(760) 725-4357 Dr. Nathan Milojevic, DOOceanside, CA · No drug or device payments recorded (2025) ·
(760) 725-3784 Dr. Nicholis Morales, MDOceanside, CA · No drug or device payments recorded (2025) ·
(760) 725-7410 Dr. Peter Ng, MDOceanside, CA · $109 in drug and device payments (2025) ·
(760) 719-3675 Dr. Robert Clapp, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 237-6958 Dr. Sean Luong, MDOceanside, CA · No drug or device payments recorded (2025) ·
(760) 725-4357 Dr. Sheila Patel, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 814-2045 Dr. Zachary Wright, DOOceanside, CA · No drug or device payments recorded (2025) ·
(760) 725-2873 Dr. Brian Lee, M.D.Ontario, CA · No drug or device payments recorded (2025) ·
(909) 391-0333 Dr. Jose De La Llana, M.D.Ontario, CA · $40 in drug and device payments (2025) · Telehealth ·
(909) 972-0300 Dr. Krupali Tejura, M.D.Ontario, CA · No drug or device payments recorded (2025) ·
(909) 390-3400 Dr. Tsung Tsai, M.D.Ontario, CA · No drug or device payments recorded (2025) ·
(888) 750-0036 Dr. Anthony Chin Loy, M.D.Orange, CA · No drug or device payments recorded (2025) · Telehealth ·
(714) 456-7890 Dr. Frank Young, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 771-1420 Dr. Fred Kogen, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(626) 556-7766 Dr. Lorraine Sunday, M.D./PHDOrange, CA · No drug or device payments recorded (2025) ·
(714) 288-8303 Dr. Patrick Honeycutt, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 509-2377 Dr. Reza Fazl Alizadeh, MD Dr. Sharath Kumar Reniguntala, M.D.Orange, CA · $2,099 in drug and device payments (2025) ·
(949) 531-6344 Dr. Son PhanOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-7890 Dr. Ross Tye, MDOrland, CA · No drug or device payments recorded (2025) ·
(530) 865-3400 Dr. Jamaal El-khal, M.D.Oroville, CA · $852 in drug and device payments (2025) · Telehealth ·
(530) 534-7500 Dr. Lanier Stenhouse, M.D.Oroville, CA · No drug or device payments recorded (2025) ·
(530) 534-5394 Dr. Neal SpivaOroville, CA · No drug or device payments recorded (2025) ·
(530) 538-5650 Dr. Robert Winshall, MDOroville, CA · No drug or device payments recorded (2025) ·
(530) 534-3793 Dr. Alan KratzOxnard, CA · No drug or device payments recorded (2025) ·
(805) 402-7940 Dr. Kristof Siciarz, MDOxnard, CA · No drug or device payments recorded (2025) ·
(305) 394-5577 Dr. Paduvilan Narayanan, M.D.Oxnard, CA · No drug or device payments recorded (2025) ·
(805) 984-0144 Dr. Robert Oldt, MDOxnard, CA · No drug or device payments recorded (2025) ·
(805) 985-5599 Dr. Van Nguyen, M.D.Pacific Palisades, CA · No drug or device payments recorded (2025) ·
(310) 454-4544 Dr. Jose Manuel Gonzalez-diaz, MDPacoima, CA · No drug or device payments recorded (2025) ·
(818) 896-2999 Dr. Jonathan Martinez, D.O.Palmdale, CA · $1,741 in drug and device payments (2025) ·
(661) 947-5600 Dr. Luisa Pineda, M.D.Palmdale, CA · No drug or device payments recorded (2025) ·
(661) 273-5888 Dr. Sylvia RiveraPalmdale, CA · No drug or device payments recorded (2025) ·
(818) 654-3887 Dr. Annette Smith, M.D., M.A.Palm Desert, CA · No drug or device payments recorded (2025) ·
(760) 469-9843 Dr. Claire Kruppe, M.D.Palm Desert, CA · No drug or device payments recorded (2025) ·
(714) 865-9707 Dr. Edith Jones-poland, MDPalm Desert, CA · No drug or device payments recorded (2025) · Telehealth ·
(760) 773-4948 Dr. Homayoun Siman, MDPalm Desert, CA · $210 in drug and device payments (2025) · Telehealth ·
(607) 837-0321 Dr. John Romano, M.DPalm Desert, CA · $533 in drug and device payments (2025) ·
(760) 568-4939 Dr. Marion Windham, M.D.Palm Desert, CA · No drug or device payments recorded (2025) ·
(760) 341-8800 Dr. Michael Solomon, MDPalm Desert, CA · No drug or device payments recorded (2025) ·
(760) 773-3899 Dr. Brian Williams, MDPalm Spgs, CA · No drug or device payments recorded (2025) ·
(760) 320-1199 Dr. Bradley Smith, M.D.Palm Springs, CA · No drug or device payments recorded (2025) ·
(760) 323-8657 Dr. James Shaner, M.D.Palm Springs, CA · No drug or device payments recorded (2025) · Telehealth ·
(760) 864-6688 Dr. John Petricciani, M.D.Palm Springs, CA · No drug or device payments recorded (2025) ·
(760) 416-2686 Common questions
How many General Practice providers are in California?There are 1,956 General Practice providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do General Practice providers in California offer telehealth?Yes. 162 of the 1,956 General Practice providers in California (about 8%) report offering telehealth services in CMS data.
Which cities in California have the most General Practice providers?San Diego (261), Los Angeles (168), San Francisco (42) have the highest concentration of General Practice providers in California.
How many General Practice providers in California received drug or device company payments?496 of 1,956 General Practice providers in California (25%) 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.
Which hospitals do General Practitioners in California work at?According to CMS facility affiliation records, the California hospitals where the most General Practitioners hold privileges are Oroville Hospital in Oroville; Glendale Adventist Medical Center in Glendale; Hoag Memorial Hospital Presbyterian in Newport Beach.
Related reading on HealthcareDiscovery.AI
General Practice in all 50 states Search all 1,956 in the directory Ask Zach for help choosing
Related
