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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. Ruth Abeles, M.D.
San Diego, CA · No drug or device payments recorded (2025) · Telehealth · (800) 926-8273
Dr. Ryan Choi, DO
San Diego, CA · No drug or device payments recorded (2025) · (619) 532-6400
Dr. Ryan Moran, M.D,
San Diego, CA · No drug or device payments recorded (2025) · Telehealth · (800) 926-8273
Dr. Ryan Stewart, MD
San Diego, CA · $19 in drug and device payments (2025) · Telehealth · (800) 926-8273
Dr. Saad Alkhider, MD
San Diego, CA · No drug or device payments recorded (2025) · (858) 939-3400
Dr. Sabrina Falquier, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (858) 499-2600
Dr. Safiyya Karolia, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (858) 764-3320
Dr. Sahil Vagha, DO
San Diego, CA · No drug or device payments recorded (2025) · (800) 926-8273
Dr. Saima Lodhi, MD
San Diego, CA · $2,152 in drug and device payments (2025) · Telehealth · (619) 278-3300
Dr. Sajib Saha, MD
San Diego, CA · No drug or device payments recorded (2025) · (858) 499-2600
Dr. Saleem Rajper, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (858) 274-0300
Dr. Sally Alassil, MD
San Diego, CA · No drug or device payments recorded (2025) · (619) 515-2400
Dr. Sameeh Fakhro, MD
San Diego, CA · $117 in drug and device payments (2025) · (619) 423-5616
Dr. Samer Assaf, M.D.
San Diego, CA · No drug or device payments recorded (2025) · Telehealth · (858) 499-2600
Dr. Samiollah Gholam, M.D
San Diego, CA · $44 in drug and device payments (2025) · (619) 515-2560
Dr. Samuel Gerson, M.D.
San Diego, CA · $46 in drug and device payments (2025) · Telehealth · (619) 241-2191
Dr. Samuel Pajuleras, DO
San Diego, CA · No drug or device payments recorded (2025) · (619) 260-7220
Dr. Sandra Coufal, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (858) 812-1798
Dr. Sandra Eriks, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (619) 231-1671
Dr. Sandra Nwosu, MD
San Diego, CA · No drug or device payments recorded (2025) · (858) 266-5000
Dr. Sandry Chendra, MD
San Diego, CA · No drug or device payments recorded (2025) · (619) 528-5000
Dr. Sanford Shattil, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (888) 309-8273
Dr. Sangeetha Murthy, MD
San Diego, CA · No drug or device payments recorded (2025) · Telehealth · (858) 874-8741
Dr. San Hsieh, MD
San Diego, CA · No drug or device payments recorded (2025) · (619) 299-3654
Dr. Saniya Malik, M.D.
San Diego, CA · $158 in drug and device payments (2025) · Telehealth · (858) 939-3400
Dr. Sankar Sridaran, M.D.
San Diego, CA · $27 in drug and device payments (2025) · Telehealth · (619) 245-2810
Dr. Santosh Vetticaden
San Diego, CA · No drug or device payments recorded (2025) · (408) 203-5023
Dr. Sarah Coskun, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (858) 499-2616
Dr. Sarah Dibacco
San Diego, CA · No drug or device payments recorded (2025) · (619) 532-6400
Dr. Sarah Schulte
San Diego, CA · $747 in drug and device payments (2025) · (619) 532-7400
Dr. Sarah Tanner, MD
San Diego, CA · No drug or device payments recorded (2025) · (858) 832-2578
Dr. Sara Malik, MD
San Diego, CA · $288 in drug and device payments (2025) · (858) 939-3400
Dr. Sarosh Siddiqi
San Diego, CA · $31 in drug and device payments (2025) · (619) 537-8832
Dr. Sasirekha Pandravada, DO
San Diego, CA · No drug or device payments recorded (2025) · (858) 939-3400
Dr. Satish Eraly, M.D./PH.D.
San Diego, CA · No drug or device payments recorded (2025) · (619) 543-6737
Dr. Satish Gonela, M.D.
San Diego, CA · $59 in drug and device payments (2025) · (858) 939-3400
Dr. Scott Carstens, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (858) 764-3150
Dr. Scott Letendre, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (800) 926-8273
Dr. Scott Patterson, M.D.
San Diego, CA · $180 in drug and device payments (2025) · (858) 499-2777
Dr. Scott Renslow, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (619) 323-4275
Dr. Sean Kenmore, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (619) 543-6268
Dr. Sean Ouimet, MD
San Diego, CA · $1,840 in drug and device payments (2025) · (619) 532-7400
Dr. Sevag Hamamah, DO
San Diego, CA · No drug or device payments recorded (2025) · (619) 260-7220
Dr. Shane Coles, MD
San Diego, CA · No drug or device payments recorded (2025) · (619) 260-7220
Dr. Shannon Walsh, D.O.
San Diego, CA · No drug or device payments recorded (2025) · Telehealth · (800) 926-8273
Dr. Shanon Murillo, PA-C
San Diego, CA · No drug or device payments recorded (2025) · (619) 479-6767
Dr. Sharifeh Kamalimotlagh, MD
San Diego, CA · No drug or device payments recorded (2025) · (619) 515-2300
Dr. Sharmila Basu, M.D,
San Diego, CA · No drug or device payments recorded (2025) · (619) 528-5000
Dr. Sharon Chien, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (858) 499-2777
Dr. Shaun Sanucci, DO
San Diego, CA · No drug or device payments recorded (2025) · (619) 297-9610

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.