Adult Medicine Doctors in California
Data updated monthly · Last refresh October 2026
385 Adult Medicine providers practice in California, including 72 (19%) 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.
385providers
72telehealth
Los Angelestop city
Adult Medicine by city in California
Choose a city to see providers there.
Adult 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. Pushpa Chandwani, M.DIrvine, CA · No drug or device payments recorded (2025) ·
(949) 855-2675 Dr. Ashok Sharma, M.D.La Canada, CA · No drug or device payments recorded (2025) ·
(818) 726-6243 Dr. Mina Abazari, M.D.Laguna Beach, CA · $16 in drug and device payments (2025) · Telehealth ·
(949) 557-0610 Dr. Irwin Arluk, M.D.Laguna Woods, CA · No drug or device payments recorded (2025) ·
(949) 916-6321 Dr. Ria Andrade, M.D.La Habra, CA · $66 in drug and device payments (2025) ·
(562) 690-0400 Dr. James Aldrich, MDLa Jolla, CA · No drug or device payments recorded (2025) ·
(858) 459-7528 Dr. Charles Rocamboli, D.O.Lancaster, CA · No drug or device payments recorded (2025) ·
(661) 945-9411 Dr. Osama Mohamed, M.D.Lancaster, CA · No drug or device payments recorded (2025) · Telehealth ·
(877) 554-4404 Dr. George Dualan, M.D.La Verne, CA · No drug or device payments recorded (2025) ·
(909) 593-4531 Dr. Lynsey Winn, FNP-CLincoln, CA · No drug or device payments recorded (2025) ·
(586) 995-0592 Dr. Kristee Baltz, RNLompoc, CA · No drug or device payments recorded (2025) ·
(805) 606-2273 Dr. Abigail Fletcher, M.D.Long Beach, CA · No drug or device payments recorded (2025) ·
(562) 933-0068 Dr. Brian Kawasaki, M.D.Long Beach, CA · $33 in drug and device payments (2025) ·
(562) 753-2300 Dr. David LauLong Beach, CA · No drug or device payments recorded (2025) · Telehealth ·
(833) 574-2273 Dr. Eing-min Chang, M.D.Long Beach, CA · No drug or device payments recorded (2025) ·
(562) 426-8185 Dr. Jeffrey Luther, M.D.Long Beach, CA · No drug or device payments recorded (2025) ·
(562) 933-0068 Dr. Mark Dressner, M.D.Long Beach, CA · No drug or device payments recorded (2025) ·
(562) 933-0400 Dr. Matthew Long, D.O.Long Beach, CA · No drug or device payments recorded (2025) · Telehealth ·
(562) 988-7000 Dr. Tammy Miller, M.D.Long Beach, CA · No drug or device payments recorded (2025) ·
(562) 599-8635 Dr. Adam Fronczek, APNLos Angeles, CA · No drug or device payments recorded (2025) ·
(213) 749-6500 Dr. Charlie Ferrell, NPLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 263-8887 Dr. Garry Tumin, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 653-6431 Dr. Gemorsita Tenazas, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(213) 253-2677 Dr. Jaime Ramos, M.DLos Angeles, CA · No drug or device payments recorded (2025) ·
(213) 623-2225 Dr. Jeffrey Harris, M.D.Los Angeles, CA · $159 in drug and device payments (2025) ·
(310) 477-8285 Dr. Lydia Green, M.D.Los Angeles, CA · $31 in drug and device payments (2025) ·
(323) 691-1772 Dr. Maria Eipe, D.O.Los Angeles, CA · No drug or device payments recorded (2025) ·
(800) 954-8000 Dr. Marivic Bautista, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(888) 499-9303 Dr. Maya Mitchell, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(800) 954-8000 Dr. Milton Kogan, M.D., M.P.HLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 655-5068 Dr. Natalia Guzman, FNPLos Angeles, CA · $113,074 in drug and device payments (2025) ·
(424) 644-2400 Dr. Paymon Banafshe, D.O.Los Angeles, CA · $544 in drug and device payments (2025) ·
(310) 670-1840 Dr. Raymond Park, D.O,Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 783-1338 Dr. Reza Mesbah, M.DLos Angeles, CA · $1,533 in drug and device payments (2025) · Telehealth ·
(310) 441-2000 Dr. Robert Tracy, DOLos Angeles, CA · $183 in drug and device payments (2025) ·
(323) 256-2231 Dr. Sharon Mcgarrity, D.O.Los Angeles, CA · $27 in drug and device payments (2025) · Telehealth ·
(323) 294-1160 Dr. Sofia GonzalezLos Angeles, CA · No drug or device payments recorded (2025) ·
(213) 685-7111 Dr. Steve Shvartsblat, MD MPHLos Angeles, CA · No drug or device payments recorded (2025) ·
(213) 433-7221 Dr. Suh Hee Kim, NPLos Angeles, CA · No drug or device payments recorded (2025) ·
(213) 388-5144 Dr. Thomas Early, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 302-1317 Dr. Tinh Vuong, D.OLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 653-1990 Dr. Tin Wong, DOLos Angeles, CA · $2,161 in drug and device payments (2025) ·
(213) 625-3182 Dr. Vilasni Ganesh, MDLos Gatos, CA · No drug or device payments recorded (2025) ·
(408) 378-3100 Dr. Craig Bobson, M.DManteca, CA · $2,415 in drug and device payments (2025) ·
(209) 825-7748 Dr. Zoraya Zuniga, M.D.Manteca, CA · No drug or device payments recorded (2025) ·
(209) 624-5800 Dr. Olga Makaron, M.D.Marina Del Rey, CA · $58 in drug and device payments (2025) ·
(310) 306-1252 Dr. Vance Fletcher, M.D.Mecca, CA · No drug or device payments recorded (2025) ·
(760) 396-1249 Dr. Robert Belknap, MDMill Valley, CA · $14 in drug and device payments (2025) · Telehealth ·
(415) 384-0506 Dr. Ashton Garbutt, MDMission Hills, CA · $24 in drug and device payments (2025) ·
(818) 869-7254 Dr. Ladan Hassanzadeh-khayyatMission Hills, CA · No drug or device payments recorded (2025) ·
(818) 869-7248 Common questions
How many Adult Medicine providers are in California?There are 385 Adult Medicine providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Adult Medicine providers in California offer telehealth?Yes. 72 of the 385 Adult Medicine providers in California (about 19%) report offering telehealth services in CMS data.
Which cities in California have the most Adult Medicine providers?Los Angeles (23), San Francisco (20), Sacramento (17) have the highest concentration of Adult Medicine providers in California.
How many Adult Medicine providers in California received drug or device company payments?116 of 385 Adult Medicine providers in California (30%) 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 Adult Medicine Doctors in California work in independent practices or large health systems?Among 180 Adult Medicine Doctors in California enrolled in Medicare, 36% bill through a solo or small practice with fewer than 10 clinicians, 9% through a mid-size group of 10 to 99, and 56% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Adult Medicine Doctors in California work at?According to CMS facility affiliation records, the California hospitals where the most Adult Medicine Doctors hold privileges are Hoag Memorial Hospital Presbyterian in Newport Beach; Northridge Hospital Medical Center in Northridge; Kaiser Foundation Hospital - Sacramento in Sacramento.
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