Internal Medicine Doctors in California
Data updated monthly · Last refresh October 2026
17,715 Internal Medicine providers practice in California, including 4,245 (24%) 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.
17,715providers
4,245telehealth
Los Angelestop city
Internal Medicine by city in California
Choose a city to see providers there.
Internal 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. Sepideh Minaaraghi, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Sherif Eskander, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Stephen Zukotynski, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Sunilkumar Reddy, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Ted Chen, MDBellflower, CA · No drug or device payments recorded (2025) · Telehealth ·
(562) 461-3000 Dr. Tomoko Okahara, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Vinod Singhi, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 804-3481 Dr. William Wong, M.D.Bellflower, CA · No drug or device payments recorded (2025) ·
(562) 920-1632 Dr. Angela Chan, M.DBell Gardens, CA · $1,152 in drug and device payments (2025) ·
(562) 927-1307 Dr. Vladimir Samonte, M.D.Bell Gardens, CA · $34 in drug and device payments (2025) ·
(562) 928-9600 Dr. Dennis Hughes, M.D.Belmont, CA · No drug or device payments recorded (2025) ·
(650) 596-7000 Dr. Elizabeth Kocot, M.D.Belmont, CA · $42 in drug and device payments (2025) · Telehealth ·
(650) 596-7000 Dr. Gary Lee, M.D.Belmont, CA · No drug or device payments recorded (2025) ·
(650) 591-9601 Dr. James Chen, M.D.Belmont, CA · No drug or device payments recorded (2025) ·
(650) 654-3954 Dr. Pragya Jain, M.D.Belmont, CA · No drug or device payments recorded (2025) ·
(650) 596-7000 Dr. Romana Usman, M.D.Belmont, CA · $82 in drug and device payments (2025) · Telehealth ·
(650) 596-7000 Dr. Seerat Mission, D.O.Belmont, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 596-7000 Dr. Shiva Salmasi, MDBelmont, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 596-7000 Dr. William Rothman, M.D.Belvedere, CA · No drug or device payments recorded (2025) ·
(415) 435-1096 Dr. Jeevarathna Subramanian, MDBenicia, CA · No drug or device payments recorded (2025) · Telehealth ·
(707) 427-4900 Dr. Alan Eshleman, MDBerkeley, CA · No drug or device payments recorded (2025) ·
(510) 540-8790 Dr. Alexander Newton, DOBerkeley, CA · No drug or device payments recorded (2025) ·
(510) 204-1983 Dr. Andrea Luethy, MDBerkeley, CA · No drug or device payments recorded (2025) ·
(510) 898-4245 Dr. Andrew Ross, M.D.Berkeley, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 843-8002 Dr. Anna Harte, M.D.Berkeley, CA · No drug or device payments recorded (2025) ·
(510) 643-7110 Dr. Anna Levin-shohat, D.O.Berkeley, CA · No drug or device payments recorded (2025) ·
(510) 525-8980 Dr. Anne BosshardtBerkeley, CA · No drug or device payments recorded (2025) ·
(510) 204-4666 Dr. Ann Nguyen-traxler, M.D.Berkeley, CA · $285 in drug and device payments (2025) · Telehealth ·
(510) 525-8980 Dr. Anthony Allen, M.D.Berkeley, CA · No drug or device payments recorded (2025) ·
(415) 420-4325 Dr. Behram Soonawala, M.D.Berkeley, CA · No drug or device payments recorded (2025) ·
(510) 525-8980 Dr. Bernard Herring, M.D.Berkeley, CA · No drug or device payments recorded (2025) ·
(510) 549-3166 Dr. Bryan Wahl, M.D.Berkeley, CA · No drug or device payments recorded (2025) ·
(510) 204-1893 Dr. Camille Giraud, MDBerkeley, CA · No drug or device payments recorded (2025) ·
(510) 898-4200 Dr. Candice Wong, M.D., PH.D.Berkeley, CA · No drug or device payments recorded (2025) ·
(510) 486-1958 Dr. Carol West, M.D.Berkeley, CA · No drug or device payments recorded (2025) ·
(415) 599-5060 Dr. Carolyn Klebanoff, MDBerkeley, CA · No drug or device payments recorded (2025) ·
(510) 848-7977 Dr. Carolyn Schuman, MDBerkeley, CA · No drug or device payments recorded (2025) ·
(510) 406-4874 Dr. Chialin Tsao, M.D.Berkeley, CA · No drug or device payments recorded (2025) ·
(510) 845-2888 Dr. Christina Garza, M.D.Berkeley, CA · No drug or device payments recorded (2025) ·
(510) 525-8980 Dr. David Kadan, MDBerkeley, CA · No drug or device payments recorded (2025) ·
(510) 642-2000 Dr. David Morris, MDBerkeley, CA · No drug or device payments recorded (2025) ·
(510) 316-7253 Dr. Deborah Demott, M.D.Berkeley, CA · No drug or device payments recorded (2025) ·
(510) 843-8002 Dr. Debra Nelson, MDBerkeley, CA · No drug or device payments recorded (2025) ·
(510) 643-7110 Dr. Denise Davis, M.D.Berkeley, CA · No drug or device payments recorded (2025) ·
(510) 883-1046 Dr. Denise Yun, MDBerkeley, CA · No drug or device payments recorded (2025) · Telehealth ·
(888) 663-6331 Dr. Elise Eichenberg, M.D.Berkeley, CA · No drug or device payments recorded (2025) ·
(510) 643-7110 Dr. Elizabeth Mahler, M.D.Berkeley, CA · No drug or device payments recorded (2025) ·
(510) 204-1893 Dr. Else Jensen, M.D.Berkeley, CA · $457 in drug and device payments (2025) · Telehealth ·
(510) 525-8980 Dr. Eric Smith, M.D.Berkeley, CA · $228 in drug and device payments (2025) ·
(510) 204-8150 Dr. Floyd Huen, M.D.Berkeley, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 601-6060 Conditions Internal Medicine providers in California commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
Common questions
How many Internal Medicine providers are in California?There are 17,715 Internal Medicine providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Internal Medicine providers in California offer telehealth?Yes. 4,245 of the 17,715 Internal Medicine providers in California (about 24%) report offering telehealth services in CMS data.
Which cities in California have the most Internal Medicine providers?Los Angeles (1,417), San Francisco (1,322), San Diego (970) have the highest concentration of Internal Medicine providers in California.
How many Internal Medicine providers in California received drug or device company payments?5,614 of 17,715 Internal Medicine providers in California (32%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Internal Medicine providers in California treat?Internal Medicine providers commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management and related conditions. Individual practices vary, so confirm with the provider before booking.
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 Internal Medicine Doctors in California work in independent practices or large health systems?Among 10,847 Internal Medicine Doctors in California enrolled in Medicare, 20% bill through a solo or small practice with fewer than 10 clinicians, 12% through a mid-size group of 10 to 99, and 67% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Internal Medicine Doctors in California work at?According to CMS facility affiliation records, the California hospitals where the most Internal Medicine Doctors hold privileges are Stanford Health Care in Stanford; UCSF Medical Center in San Francisco; Ronald Reagan UCLA Medical Center in Los Angeles.
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