HealthcareDiscovery.AI / Doctors / California / Internal Medicine

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. Yifah Yaron, MD
Berkeley, CA · No drug or device payments recorded (2025) · (510) 525-8980
Dr. Yu-chi Lapid, MD
Berkeley, CA · No drug or device payments recorded (2025) · (510) 841-4525
Dr. Biljana Kostic, M.D.
Bermuda Dunes, CA · $22 in drug and device payments (2025) · (760) 772-2823
Dr. Robert Keenan, MD
Bermuda Dunes, CA · No drug or device payments recorded (2025) · (760) 360-3193
Dr. Scott Russell, DO
Bermuda Dunes, CA · $432 in drug and device payments (2025) · Telehealth · (760) 360-3193
Dr. Stanley Herr, D.O
Bermuda Dunes, CA · No drug or device payments recorded (2025) · (760) 772-2823
Dr. Adam Karns, M.D.
Beverly Hills, CA · $10,292 in drug and device payments (2025) · Telehealth · (323) 954-8084
Dr. Adrian Ostrzega, M.D.
Beverly Hills, CA · No drug or device payments recorded (2025) · Telehealth · (310) 385-3353
Dr. Akhila Narla, MD
Beverly Hills, CA · No drug or device payments recorded (2025) · (310) 423-4742
Dr. Alan Engelberg, MD
Beverly Hills, CA · $139 in drug and device payments (2025) · Telehealth · (310) 273-4722
Dr. Albert Fuchs, M.D.
Beverly Hills, CA · No drug or device payments recorded (2025) · (310) 652-1900
Dr. Alec Pearlstein, MD
Beverly Hills, CA · $57 in drug and device payments (2025) · (310) 271-6229
Dr. Alex Foxman, M.D.
Beverly Hills, CA · $919 in drug and device payments (2025) · Telehealth · (310) 274-0657
Dr. Alice Cruz, M.D.
Beverly Hills, CA · No drug or device payments recorded (2025) · Telehealth · (310) 248-7006
Dr. Alice Dick, M.D.
Beverly Hills, CA · No drug or device payments recorded (2025) · (310) 248-7600
Dr. Amanuel Sima, M.D.
Beverly Hills, CA · $20 in drug and device payments (2025) · Telehealth · (310) 855-0556
Dr. Amy Rutman, MD
Beverly Hills, CA · No drug or device payments recorded (2025) · (310) 385-3385
Dr. Antoinette Hubenette, M.D.
Beverly Hills, CA · No drug or device payments recorded (2025) · (310) 385-3228
Dr. Arthur Lipper, M.D.
Beverly Hills, CA · $145 in drug and device payments (2025) · (310) 659-8977
Dr. Bassam Assassa, M.D,
Beverly Hills, CA · No drug or device payments recorded (2025) · (424) 284-8933
Dr. Brittany Hessell, DO
Beverly Hills, CA · No drug or device payments recorded (2025) · Telehealth · (310) 385-6031
Dr. Carl Millner, MD
Beverly Hills, CA · $1,585 in drug and device payments (2025) · Telehealth · (310) 657-9353
Dr. Caroline Goldzweig, MD, MSHS
Beverly Hills, CA · No drug or device payments recorded (2025) · Telehealth · (310) 423-4846
Dr. Caroline Lee, M.D.
Beverly Hills, CA · $192 in drug and device payments (2025) · Telehealth · (310) 248-7072
Dr. Casey Nagel, M.D.
Beverly Hills, CA · No drug or device payments recorded (2025) · (888) 663-6331
Dr. Chae Kim
Beverly Hills, CA · $10,745 in drug and device payments (2025) · Telehealth · (310) 248-7190
Dr. Charlene Lichtash, M.D.
Beverly Hills, CA · No drug or device payments recorded (2025) · (310) 355-8875
Dr. Cheryl Charles, M.D.
Beverly Hills, CA · No drug or device payments recorded (2025) · Telehealth · (310) 385-3262
Dr. Cheryl Dunnett, MD
Beverly Hills, CA · No drug or device payments recorded (2025) · Telehealth · (310) 248-7002
Dr. Christina Deirmenjian
Beverly Hills, CA · No drug or device payments recorded (2025) · (424) 314-0520
Dr. Clare Coda
Beverly Hills, CA · $184 in drug and device payments (2025) · (310) 205-7310
Dr. Clement Yang, M.D.
Beverly Hills, CA · No drug or device payments recorded (2025) · Telehealth · (310) 967-1884
Dr. Daniel Benhuri, MD
Beverly Hills, CA · $2,338 in drug and device payments (2025) · Telehealth · (310) 683-0180
Dr. Daniel Hoffman, D.O.
Beverly Hills, CA · $1,759 in drug and device payments (2025) · Telehealth · (310) 657-9200
Dr. Daniel Puneky, M.D.
Beverly Hills, CA · $281 in drug and device payments (2025) · Telehealth · (310) 855-7002
Dr. Daniel Stone, MD
Beverly Hills, CA · No drug or device payments recorded (2025) · Telehealth · (310) 385-3526
Dr. Darrell Burstein, M.D.
Beverly Hills, CA · No drug or device payments recorded (2025) · (321) 278-1434
Dr. Davar Aram, M.D.
Beverly Hills, CA · No drug or device payments recorded (2025) · (909) 393-3149
Dr. David Austin
Beverly Hills, CA · No drug or device payments recorded (2025) · (310) 385-2960
Dr. David Bockoff, M.D.
Beverly Hills, CA · No drug or device payments recorded (2025) · (310) 652-5800
Dr. David Kawashiri, M.D.
Beverly Hills, CA · No drug or device payments recorded (2025) · Telehealth · (310) 385-3466
Dr. David Kipper, M.D.
Beverly Hills, CA · $22 in drug and device payments (2025) · (310) 275-5206
Dr. David Kwon
Beverly Hills, CA · No drug or device payments recorded (2025) · (424) 315-1780
Dr. David Ng, MD
Beverly Hills, CA · $1,749 in drug and device payments (2025) · Telehealth · (310) 424-5480
Dr. David Ramin, M.D.
Beverly Hills, CA · $2,837 in drug and device payments (2025) · Telehealth · (310) 276-7575
Dr. David Zheng
Beverly Hills, CA · $52 in drug and device payments (2025) · Telehealth · (424) 315-5456
Dr. Deanna Tran, MD
Beverly Hills, CA · No drug or device payments recorded (2025) · (310) 385-6031
Dr. Dennis Evangelatos, M.D.
Beverly Hills, CA · No drug or device payments recorded (2025) · (424) 239-2400
Dr. Dorrie Chang, MD
Beverly Hills, CA · $353 in drug and device payments (2025) · (310) 248-7090
Dr. Drew Colman, MD
Beverly Hills, CA · No drug or device payments recorded (2025) · Telehealth · (310) 855-7004

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

Related

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.