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. George Weiss, MDLa Jolla, CA · No drug or device payments recorded (2025) ·
(858) 829-9555 Dr. Gerald Joyce, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 784-9844 Dr. Han Chiu, MDLa Jolla, CA · No drug or device payments recorded (2025) ·
(858) 876-4253 Dr. John Dobak, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 945-1503 Dr. John Whiteman, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 922-3750 Dr. Jonathan Zifferblatt, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 230-1207 Dr. Kathryn Baldwin, MDLa Jolla, CA · $48 in drug and device payments (2025) ·
(760) 941-2000 Dr. Manucher Atai, MDLa Jolla, CA · No drug or device payments recorded (2025) ·
(858) 456-0013 Dr. Maria Mccutchan, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 453-6945 Dr. Michael Gilson, M.D., PH.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 822-0622 Dr. Nisha Money, MDLa Jolla, CA · No drug or device payments recorded (2025) ·
(858) 554-1212 Dr. Robert Franks, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 459-6520 Dr. Samantha Friend, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 534-4040 Dr. Tahira Abbasi, MDLa Jolla, CA · No drug or device payments recorded (2025) ·
(858) 433-4898 Dr. Tricia Skipper, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 534-9450 Dr. Walter Konstanzer, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(619) 223-2161 Dr. William Reed, MDLa Jolla, CA · No drug or device payments recorded (2025) ·
(858) 459-8600 Dr. Robert Olson, M.D.Lake Arrowhead, CA · No drug or device payments recorded (2025) ·
(909) 336-3670 Dr. Gregory Mynko, M.D.Lake Elsinore, CA · No drug or device payments recorded (2025) ·
(951) 609-5028 Dr. Shafi Siddiqi, M.D.Lake Elsinore, CA · $14 in drug and device payments (2025) ·
(951) 226-0866 Dr. Thomas Oliveira, D.O.Lake Elsinore, CA · $364 in drug and device payments (2025) ·
(951) 471-5116 Dr. Mashallah Ezzati, M.DLake Forest, CA · No drug or device payments recorded (2025) ·
(949) 235-9818 Dr. Daniel Alekyan, DOLakeport, CA · No drug or device payments recorded (2025) ·
(707) 262-5088 Dr. Dorina Castelo, MDLakewood, CA · $61 in drug and device payments (2025) ·
(562) 529-5200 Dr. Dominic Toctocan, DOLa Mesa, CA · No drug or device payments recorded (2025) · Telehealth ·
(858) 499-2711 Dr. Jonathan Johnson, D.C.La Mesa, CA · No drug or device payments recorded (2025) ·
(619) 464-3333 Dr. Robert Klein, D.O.La Mesa, CA · No drug or device payments recorded (2025) ·
(858) 499-2777 Dr. Napoleon Tiquia, M.D.La Mirada, CA · No drug or device payments recorded (2025) ·
(562) 943-1573 Dr. Chickkiah Padmanabhan, MDLancaster, CA · No drug or device payments recorded (2025) ·
(661) 945-0886 Dr. Hosseingholi Ziaee, M.D.Lancaster, CA · $17 in drug and device payments (2025) ·
(661) 949-5929 Dr. David Lee, MDLa Palma, CA · No drug or device payments recorded (2025) ·
(714) 521-6690 Dr. Cesar Rodriguez, MDLa Puente, CA · No drug or device payments recorded (2025) ·
(626) 350-7087 Dr. Jesus Arenas, M.D.La Puente, CA · $1,917 in drug and device payments (2025) · Telehealth ·
(626) 917-4871 Dr. Jorge Galindo, M.D.La Puente, CA · No drug or device payments recorded (2025) ·
(626) 918-4700 Dr. Philip Becker, D.O.La Quinta, CA · No drug or device payments recorded (2025) ·
(760) 564-7000 Dr. Powen Hsueh, D.O.La Quinta, CA · $404 in drug and device payments (2025) ·
(951) 827-7793 Dr. Nyunt Khoo, M.D.La Verne, CA · No drug or device payments recorded (2025) ·
(909) 596-1941 Dr. Beatrice Kalata, MDLawndale, CA · No drug or device payments recorded (2025) ·
(310) 973-6727 Dr. Santos Pacheco, M.D.Lawndale, CA · $147 in drug and device payments (2025) ·
(310) 644-7964 Dr. Thu Do, D.O.Lawndale, CA · $256 in drug and device payments (2025) · Telehealth ·
(310) 213-1453 Dr. Mary Hine, M.D.Lemon Grove, CA · No drug or device payments recorded (2025) ·
(619) 741-7423 Dr. Ana Barragan, MDLemoore, CA · No drug or device payments recorded (2025) ·
(559) 998-4800 Dr. Ashton Dyck, DOLemoore, CA · No drug or device payments recorded (2025) ·
(559) 998-4800 Dr. Brendan Blackford, DOLemoore, CA · No drug or device payments recorded (2025) ·
(631) 707-3673 Dr. Eric Earnshaw, DOLemoore, CA · No drug or device payments recorded (2025) ·
(559) 998-4481 Dr. Hannah PuentesLemoore, CA · No drug or device payments recorded (2025) ·
(559) 998-4481 Dr. Hayley Hatherly, DOLemoore, CA · No drug or device payments recorded (2025) ·
(559) 998-4800 Dr. Nicholas Hoo, DOLemoore, CA · No drug or device payments recorded (2025) ·
(559) 998-4800 Dr. Riley Brubaker, MDLemoore, CA · No drug or device payments recorded (2025) ·
(559) 998-4481 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.
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