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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. Sarah Gong, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-3514
Dr. Sarah Herrman, MD
Sacramento, CA · $18 in drug and device payments (2025) · (916) 734-2812
Dr. Sarah Turgasen, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 874-9670
Dr. Sara Teasdale, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 874-9670
Dr. Savitha Reddy, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 973-5000
Dr. Scott Macdonald, MD
Sacramento, CA · No drug or device payments recorded (2025) · Telehealth · (916) 734-7777
Dr. Scott Wigginton, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 570-2850
Dr. Shahnaz Iqbal, MD
Sacramento, CA · No drug or device payments recorded (2025) · Telehealth · (916) 688-2000
Dr. Sharon Ball, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 978-0300
Dr. Sharon Wang, D.O
Sacramento, CA · $349 in drug and device payments (2025) · (916) 734-7080
Dr. Shefali Shah, M.D.
Sacramento, CA · $35 in drug and device payments (2025) · (916) 733-3400
Dr. Sheila Firoozan
Sacramento, CA · $219 in drug and device payments (2025) · Telehealth · (916) 734-5959
Dr. Shing Chung, MD
Sacramento, CA · No drug or device payments recorded (2025) · Telehealth · (916) 973-5000
Dr. Shirley Koon, D.O.
Sacramento, CA · No drug or device payments recorded (2025) · Telehealth · (916) 731-7925
Dr. Shirley Wu, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-7080
Dr. Shivani Ruben, MD
Sacramento, CA · No drug or device payments recorded (2025) · Telehealth · (916) 733-8713
Dr. Shu Chen, MD
Sacramento, CA · $41 in drug and device payments (2025) · (916) 733-6817
Dr. Sindhu Addepalli, MD
Sacramento, CA · $229 in drug and device payments (2025) · (916) 734-2737
Dr. Sitara Niranjan
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-3565
Dr. Sivakrishna Bhandaru, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 733-5098
Dr. Sneha Vaddadi
Sacramento, CA · No drug or device payments recorded (2025) · Telehealth · (916) 734-2737
Dr. Sonia Jhurani, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · Telehealth · (925) 293-2034
Dr. Sonya Heitmann, M.D.
Sacramento, CA · $102 in drug and device payments (2025) · Telehealth · (916) 734-7080
Dr. Soucheun Saechao, DO
Sacramento, CA · $121 in drug and device payments (2025) · (916) 548-5271
Dr. Sreehari Javagal, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 733-3777
Dr. Sriharsha Rao, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · Telehealth · (916) 688-6229
Dr. Stanley Chew, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 453-1946
Dr. Stephen Henry, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · Telehealth · (916) 734-7005
Dr. Stephen Weyers, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 653-0815
Dr. Steven Griffen, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-2737
Dr. Steven Kelly-reif, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 973-5000
Dr. Sudha Chappidi, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 688-2000
Dr. Sung Kim, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 688-2000
Dr. Sunita Jain, M.D.
Sacramento, CA · $770 in drug and device payments (2025) · (916) 569-4400
Dr. Sunita Sood, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · Telehealth · (916) 733-3370
Dr. Surbhi Singhal
Sacramento, CA · $10,414 in drug and device payments (2025) · Telehealth · (916) 734-5959
Dr. Susmita Mishra, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-6670
Dr. Suzanne Fidler, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 731-3777
Dr. Suzanne Martinez, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · (916) 688-2000
Dr. Suzanne Montoya, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 973-5000
Dr. Suzette Salazar, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · Telehealth · (916) 614-5243
Dr. Swati Patki, MD
Sacramento, CA · No drug or device payments recorded (2025) · (916) 734-7506
Dr. Sweet Gerlie Smith, MD
Sacramento, CA · $31 in drug and device payments (2025) · Telehealth · (916) 497-2900
Dr. Sydney Supit, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · Telehealth · (916) 733-3400
Dr. Syed Ali, MD
Sacramento, CA · No drug or device payments recorded (2025) · Telehealth · (916) 733-3400
Dr. Sylvia Jones, M.D.
Sacramento, CA · No drug or device payments recorded (2025) · Telehealth · (916) 614-4040
Dr. Tahir Mahmood
Sacramento, CA · $534 in drug and device payments (2025) · (916) 734-2737
Dr. Tai Pham
Sacramento, CA · $15,459 in drug and device payments (2025) · Telehealth · (916) 734-2737
Dr. Tajinder Badial, DO
Sacramento, CA · $25 in drug and device payments (2025) · Telehealth · (916) 575-8000
Dr. Tali Azenkot
Sacramento, CA · $298 in drug and device payments (2025) · (408) 505-8318

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

Internal Medicine in all 50 states Search all 17,715 in the directory Ask Zach for help choosing

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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.