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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. Margaret Stein, MD
Beverly Hills, CA · $82 in drug and device payments (2025) · (310) 657-9353
Dr. Mark Bamberger, M.D.
Beverly Hills, CA · $1,225 in drug and device payments (2025) · (310) 652-3870
Dr. Mark Goodman, M.D.
Beverly Hills, CA · $640 in drug and device payments (2025) · (310) 271-6889
Dr. Mary Unanue, M.D.
Beverly Hills, CA · No drug or device payments recorded (2025) · (818) 259-5099
Dr. Matthew Kollefrath, M.D.
Beverly Hills, CA · $517 in drug and device payments (2025) · (310) 550-7421
Dr. Michael Borookhim, M.D.
Beverly Hills, CA · $27 in drug and device payments (2025) · (310) 288-0881
Dr. Michael Brousseau, M.D.
Beverly Hills, CA · $58 in drug and device payments (2025) · (424) 239-2400
Dr. Michael Directo, M.D., M.B.A.
Beverly Hills, CA · No drug or device payments recorded (2025) · (310) 248-7000
Dr. Michael Seibert, MD
Beverly Hills, CA · $1,239 in drug and device payments (2025) · (424) 315-0776
Dr. Michelle Grotz-rhone, MD
Beverly Hills, CA · No drug or device payments recorded (2025) · (323) 305-7150
Dr. Mridula Watt
Beverly Hills, CA · No drug or device payments recorded (2025) · Telehealth · (310) 205-7310
Dr. Myanh Pardee, MD
Beverly Hills, CA · No drug or device payments recorded (2025) · (310) 708-6383
Dr. Naheed Ali, M.D.
Beverly Hills, CA · No drug or device payments recorded (2025) · (310) 362-4357
Dr. Naina Sachdev, M.D.
Beverly Hills, CA · No drug or device payments recorded (2025) · (310) 777-7511
Dr. Nancy Rahnama, MD
Beverly Hills, CA · $279 in drug and device payments (2025) · (310) 299-7373
Dr. Nataly Akbarshahi, MD
Beverly Hills, CA · No drug or device payments recorded (2025) · Telehealth · (424) 315-0310
Dr. Paula Carruthers, M.D.
Beverly Hills, CA · No drug or device payments recorded (2025) · (310) 967-1884
Dr. Paul Cohart, MD
Beverly Hills, CA · $463 in drug and device payments (2025) · (310) 285-9670
Dr. Pedram Enayati, M.D.
Beverly Hills, CA · $29,156 in drug and device payments (2025) · Telehealth · (310) 277-7676
Dr. Peter Pressman, M.D.
Beverly Hills, CA · No drug or device payments recorded (2025) · (310) 652-3870
Dr. Peyton Berookim, M.D.
Beverly Hills, CA · $8,826 in drug and device payments (2025) · (310) 271-1122
Dr. Piyumika De Silva, M.D
Beverly Hills, CA · No drug or device payments recorded (2025) · (310) 423-4673
Dr. Raheleh Sarbaziha, M.D.
Beverly Hills, CA · $5,132 in drug and device payments (2025) · (310) 819-0769
Dr. Rahul Gupta, M.D
Beverly Hills, CA · $61 in drug and device payments (2025) · Telehealth · (424) 315-0318
Dr. Richard Lee, M.D.
Beverly Hills, CA · $70 in drug and device payments (2025) · Telehealth · (323) 305-7150
Dr. Robert Dubois, M.D.
Beverly Hills, CA · No drug or device payments recorded (2025) · (310) 275-8869
Dr. Robert Huizenga, M.D.
Beverly Hills, CA · $5,344 in drug and device payments (2025) · (310) 657-9191
Dr. Robin Hilder, MBCHB MSC
Beverly Hills, CA · $146 in drug and device payments (2025) · (310) 861-7512
Dr. Ron Benbassat, MD
Beverly Hills, CA · No drug or device payments recorded (2025) · (310) 888-2400
Dr. Rosa Hernandez, MD
Beverly Hills, CA · No drug or device payments recorded (2025) · Telehealth · (424) 315-0162
Dr. Rubencio Quintana, M.D.
Beverly Hills, CA · No drug or device payments recorded (2025) · Telehealth · (310) 659-5500
Dr. Ryan Chen, MD
Beverly Hills, CA · $224 in drug and device payments (2025) · (424) 314-0496
Dr. Samuel Ross, M.D.
Beverly Hills, CA · $752 in drug and device payments (2025) · (310) 573-8947
Dr. Sari Eitches, MD
Beverly Hills, CA · $193 in drug and device payments (2025) · (310) 657-8585
Dr. Sasan Massachi, M.D.
Beverly Hills, CA · $383 in drug and device payments (2025) · Telehealth · (310) 553-3013
Dr. Scott Leeds, MD
Beverly Hills, CA · No drug or device payments recorded (2025) · (310) 777-0159
Dr. Sharon Orrange, M.D.
Beverly Hills, CA · No drug or device payments recorded (2025) · Telehealth · (310) 272-8222
Dr. Sheila Bolour, MD
Beverly Hills, CA · No drug or device payments recorded (2025) · (310) 279-4649
Dr. Sherol Manavi, PHYSICIAN ASSISTANT
Beverly Hills, CA · $692 in drug and device payments (2025) · (310) 299-7673
Dr. Sherril Rieux, M.D.
Beverly Hills, CA · $148 in drug and device payments (2025) · Telehealth · (310) 623-1248
Dr. Shirin Alonzo, MD, MPH
Beverly Hills, CA · No drug or device payments recorded (2025) · Telehealth · (310) 385-6031
Dr. Stephen Deutsch, M.D.
Beverly Hills, CA · $34 in drug and device payments (2025) · (310) 385-3334
Dr. Steven Jacobs, M.D.
Beverly Hills, CA · $1,255 in drug and device payments (2025) · Telehealth · (310) 271-2328
Dr. Steven Simons, MD
Beverly Hills, CA · $132 in drug and device payments (2025) · Telehealth · (310) 274-3444
Dr. Susan Azad, M.D.
Beverly Hills, CA · $850 in drug and device payments (2025) · Telehealth · (310) 279-4649
Dr. Susie Pae, MD
Beverly Hills, CA · No drug or device payments recorded (2025) · Telehealth · (310) 385-3200
Dr. Sweta Narasimhan, MD
Beverly Hills, CA · $111 in drug and device payments (2025) · Telehealth · (310) 423-3057
Dr. Tamar Meszaros, M.D.
Beverly Hills, CA · No drug or device payments recorded (2025) · Telehealth · (310) 652-1900
Dr. Terry Podell, MD
Beverly Hills, CA · No drug or device payments recorded (2025) · (310) 248-7077
Dr. Terry Schaack, M.D.
Beverly Hills, CA · No drug or device payments recorded (2025) · Telehealth · (310) 550-8543

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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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.