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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 in Los Angeles1,417 providers
Internal Medicine in San Francisco1,322 providers
Internal Medicine in San Diego970 providers
Internal Medicine in Sacramento602 providers
Internal Medicine in Oakland434 providers
Internal Medicine in San Jose433 providers
Internal Medicine in Stanford383 providers
Internal Medicine in Fresno339 providers
Internal Medicine in Torrance230 providers
Internal Medicine in Long Beach225 providers
Internal Medicine in Bakersfield210 providers
Internal Medicine in Loma Linda209 providers
Internal Medicine in Palo Alto189 providers
Internal Medicine in Anaheim188 providers
Internal Medicine in Orange188 providers
Internal Medicine in Riverside188 providers
Internal Medicine in Walnut Creek184 providers
Internal Medicine in Santa Monica170 providers
Internal Medicine in La Jolla161 providers
Internal Medicine in Roseville159 providers
Internal Medicine in Irvine155 providers
Internal Medicine in Beverly Hills152 providers
Internal Medicine in Santa Clara142 providers
Internal Medicine in Pasadena138 providers

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. Hogan Shy, MD
Los Gatos, CA · No drug or device payments recorded (2025) · Telehealth · (408) 523-3102
Dr. Indira Singh, MD
Los Gatos, CA · No drug or device payments recorded (2025) · Telehealth · (408) 426-5540
Dr. Ioana Gheorghiu, M.D.
Los Gatos, CA · No drug or device payments recorded (2025) · (408) 871-3289
Dr. Jane Chien, MD
Los Gatos, CA · $262 in drug and device payments (2025) · Telehealth · (408) 358-1811
Dr. Jane Lee, M.D.
Los Gatos, CA · $283 in drug and device payments (2025) · Telehealth · (408) 523-3102
Dr. Janhavi Athavale
Los Gatos, CA · No drug or device payments recorded (2025) · Telehealth · (408) 523-3102
Dr. Julie Quakenbush, M.D.
Los Gatos, CA · No drug or device payments recorded (2025) · (408) 378-1101
Dr. Jyotsna Vincent, MD
Los Gatos, CA · $158 in drug and device payments (2025) · Telehealth · (408) 495-5770
Dr. Linda Eglin, MD
Los Gatos, CA · No drug or device payments recorded (2025) · (408) 358-0838
Dr. Mandeep Ayer, M.D.
Los Gatos, CA · $301 in drug and device payments (2025) · Telehealth · (408) 358-1811
Dr. Marsha Armstrong, MD
Los Gatos, CA · No drug or device payments recorded (2025) · (408) 370-3611
Dr. Marta Murawski, M.D.
Los Gatos, CA · No drug or device payments recorded (2025) · Telehealth · (650) 934-7000
Dr. Mary Jane Hutchins, M.D.
Los Gatos, CA · $2,459 in drug and device payments (2025) · (408) 358-8998
Dr. Melissa Wu, M.D.
Los Gatos, CA · $659 in drug and device payments (2025) · Telehealth · (408) 358-1841
Dr. Michael Tierney, M.D.
Los Gatos, CA · No drug or device payments recorded (2025) · (408) 730-6200
Dr. Mojgan Morshedi, MD
Los Gatos, CA · No drug or device payments recorded (2025) · Telehealth · (408) 358-0444
Dr. Pardeep Taunk, MD
Los Gatos, CA · $408 in drug and device payments (2025) · Telehealth · (408) 495-5770
Dr. Patrick Kearns, MD
Los Gatos, CA · No drug or device payments recorded (2025) · (408) 234-6727
Dr. Pooja Nair, MBBS
Los Gatos, CA · $18 in drug and device payments (2025) · Telehealth · (408) 523-3102
Dr. Richard Bobis, M.D.
Los Gatos, CA · No drug or device payments recorded (2025) · (408) 358-1841
Dr. Robert Silva, MD
Los Gatos, CA · $271 in drug and device payments (2025) · (408) 379-8140
Dr. Sara Farr, M.D.
Los Gatos, CA · No drug or device payments recorded (2025) · (408) 871-3289
Dr. Shahriar Sharif, MD
Los Gatos, CA · No drug or device payments recorded (2025) · (833) 668-6633
Dr. Sindhu Gundapuneni, MD
Los Gatos, CA · No drug or device payments recorded (2025) · (312) 852-8979
Dr. Stacey Hein, INTERNAL MEDICINE
Los Gatos, CA · $328 in drug and device payments (2025) · Telehealth · (408) 358-1841
Dr. Surabhi Narayan, M.D
Los Gatos, CA · No drug or device payments recorded (2025) · Telehealth · (408) 866-3863
Dr. Swati Mungekar, M.D.
Los Gatos, CA · $265 in drug and device payments (2025) · (408) 358-3685
Dr. Thaichan Jobalia, MD
Los Gatos, CA · $189 in drug and device payments (2025) · Telehealth · (408) 523-3102
Dr. Tina Wu, M.D.
Los Gatos, CA · $652 in drug and device payments (2025) · (408) 358-1841
Dr. Vivek Jain
Los Gatos, CA · No drug or device payments recorded (2025) · (408) 256-3144
Dr. Richard Heather, MD
Los Osos, CA · No drug or device payments recorded (2025) · (805) 528-1812
Dr. Robert Schingler, MD
Los Osos, CA · No drug or device payments recorded (2025) · (805) 534-1305
Dr. Chin-lung Chen, M.D.
Lucerne, CA · No drug or device payments recorded (2025) · (707) 274-5539
Dr. Alva Marsh, MD
Lynwood, CA · No drug or device payments recorded (2025) · (310) 631-2838
Dr. Ashok Raheja, M.D.
Lynwood, CA · No drug or device payments recorded (2025) · (310) 638-9977
Dr. Beverly Davis, M.D.
Lynwood, CA · No drug or device payments recorded (2025) · (310) 631-5000
Dr. Jatin Bhatt, MD
Lynwood, CA · $129 in drug and device payments (2025) · (310) 900-2790
Dr. Lisa Brockman, DO
Lynwood, CA · No drug or device payments recorded (2025) · (310) 632-0415
Dr. Nijole Glaze, M.D.
Lynwood, CA · $170 in drug and device payments (2025) · Telehealth · (310) 608-3600
Dr. Odette Tawadrous, MD
Lynwood, CA · No drug or device payments recorded (2025) · Telehealth · (562) 841-1602
Dr. Ricardo Mckenzie, M.D.
Lynwood, CA · No drug or device payments recorded (2025) · (310) 604-3456
Dr. Allan Nassar, MD
Madera, CA · $150 in drug and device payments (2025) · Telehealth · (559) 662-2705
Dr. Amritpal Pannu, MD
Madera, CA · $577 in drug and device payments (2025) · (559) 673-8055
Dr. Gagandeep Rajpal
Madera, CA · No drug or device payments recorded (2025) · (559) 664-4000
Dr. Kirandeep Toor, M.D
Madera, CA · No drug or device payments recorded (2025) · (559) 675-9202
Dr. Kulraj Grewal, MD
Madera, CA · No drug or device payments recorded (2025) · (559) 664-4000
Dr. Mohammad Ashraf, MD
Madera, CA · $633 in drug and device payments (2025) · Telehealth · (559) 673-2259
Dr. Nikhil Babu
Madera, CA · $79 in drug and device payments (2025) · (559) 675-5555
Dr. Patrick Burke, M.D.
Madera, CA · $28 in drug and device payments (2025) · (559) 353-5700
Dr. Pushkal Jadaun, MD
Madera, CA · No drug or device payments recorded (2025) · (559) 664-4000

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.

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.

Related reading on HealthcareDiscovery.AI

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Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Internal Medicine in California? Get featured.