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. Donna Zulman, M.D.Stanford, CA · No drug or device payments recorded (2025) ·
(650) 725-7747 Dr. Doris Chen, MDStanford, CA · $228 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Edward Esplin, MD, PHDStanford, CA · No drug or device payments recorded (2025) ·
(408) 245-2375 Dr. Elena Vasti, MDStanford, CA · $1,083 in drug and device payments (2025) ·
(650) 723-4000 Dr. Elizabeth Malcolm, M.D., MSHSStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-2300 Dr. Elle Fukui, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Emilee Wilhelm-leen, M.D.Stanford, CA · No drug or device payments recorded (2025) ·
(650) 724-3000 Dr. Emily Chu, MDStanford, CA · $91 in drug and device payments (2025) ·
(650) 723-4000 Dr. Emily Keamy-minor, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Emmanuelle Yecies, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Erica MascarenhasStanford, CA · $157 in drug and device payments (2025) ·
(650) 723-5948 Dr. Eric Strong, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Erin Mcneely, MDStanford, CA · $117 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Errol Ozdalga, M.D., M.S.Stanford, CA · No drug or device payments recorded (2025) ·
(650) 723-3937 Dr. Ethan Harris, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Evan Baum, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Evan Beiter, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 423-4000 Dr. Evan Mullen, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-6661 Dr. Evan Shegog, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Evelyn Ling, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Fahim Abbasi, M.D.Stanford, CA · $176 in drug and device payments (2025) ·
(650) 723-4000 Dr. Faraah Bekheet, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Freddy Abnousi, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Gayatri Suresh Kumar, MDStanford, CA · $178 in drug and device payments (2025) ·
(650) 723-4000 Dr. Gloria Kim, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-8561 Dr. Goar Egoryan, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Gowri Chandra, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Grant HendersonStanford, CA · $5,565 in drug and device payments (2025) · Telehealth ·
(650) 723-6661 Dr. Grant Smith, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 732-4000 Dr. Harman Paintal, M, B. B, S.Stanford, CA · $2,516 in drug and device payments (2025) ·
(650) 723-6381 Dr. Hayley Galitzer, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Haziq Siddiqi, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Heather Henri, M.D.Stanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Hemali Tilva, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Henry Lowe, M.D.Stanford, CA · No drug or device payments recorded (2025) ·
(650) 725-3393 Dr. Hilarey Bhatt, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Hoda Sayegh, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Hsien-hwa Cha, M.D.Stanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Ilana Yurkiewicz, M.D.Stanford, CA · $30 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Irine Vodkin, M.DStanford, CA · $142 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Iris MaStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Isaac Ogunmola, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Ishani Shah, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Ishan Paranjpe, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Isla Hutchinson Maddox, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Jabez Beazer, MDStanford, CA · $122 in drug and device payments (2025) ·
(650) 723-4000 Dr. Jacqueline Lee, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-5948 Dr. Jacqueline Tai-edmonds, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Janell Sherr, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 498-6073 Dr. Jane Wang, MDStanford, CA · $178 in drug and device payments (2025) ·
(650) 723-4000 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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