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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. Kirk Uomoto, MD
Los Angeles, CA · $478 in drug and device payments (2025) · (323) 954-1788
Dr. Ko Ko Myat
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 846-4312
Dr. Koppany Visnyei, MD PHD
Los Angeles, CA · $69,476 in drug and device payments (2025) · Telehealth · (310) 651-9017
Dr. Kraig Golden, M.D.
Los Angeles, CA · $611 in drug and device payments (2025) · (323) 953-7170
Dr. Krikor Akmakji, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 857-2000
Dr. Kristina Cordasco, M.D., M.P.H.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 794-2206
Dr. Kristine Hirschfield, MD
Los Angeles, CA · $948 in drug and device payments (2025) · (310) 446-4400
Dr. Kuntal Bhowmick, MD
Los Angeles, CA · $100 in drug and device payments (2025) · (800) 954-8000
Dr. Kurt Hong, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (323) 442-5100
Dr. Kuruganti Reddy, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (626) 347-8178
Dr. Kush Fansiwala, MD
Los Angeles, CA · $36 in drug and device payments (2025) · (310) 206-6232
Dr. Kusum Chaudry
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 780-2216
Dr. Kyoung Kim, MD
Los Angeles, CA · $1,559 in drug and device payments (2025) · Telehealth · (323) 297-3269
Dr. Kyung Cho, M.D.
Los Angeles, CA · $321 in drug and device payments (2025) · (310) 289-1506
Dr. Kyung Han, M.D.
Los Angeles, CA · $1,716 in drug and device payments (2025) · (213) 387-7800
Dr. Lamberto Olaes, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 664-7628
Dr. Landis Coghlan, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-6301
Dr. Lao-tzu Allan-blitz, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 267-9643
Dr. Larry Brandis, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 464-1336
Dr. Latania Sci, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (702) 326-8726
Dr. Laura Glassman
Los Angeles, CA · $22 in drug and device payments (2025) · Telehealth · (310) 206-6232
Dr. Laura Santangelo, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 206-6232
Dr. Laura Santoso
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-9111
Dr. Lauren Burwell, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 240-7941
Dr. Lauren Caldemeyer, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 206-6232
Dr. Lauren Dedecker, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 825-9111
Dr. Lavanya Chadalavada
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (213) 744-3750
Dr. Lawrence Alexander, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 857-2000
Dr. Lawrence Maldonado, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 423-4863
Dr. Lawrence Taw, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 794-7171
Dr. Leigh Nguyen, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (323) 857-2000
Dr. Leigh Passman, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 268-3254
Dr. Leila Hashemi, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 442-5100
Dr. Lena Yu, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 644-3880
Dr. Leonisa Lim
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 846-4312
Dr. Lewis Guiss Jr., MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 857-2000
Dr. Lhasa Ray, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 794-9809
Dr. Lina Salty, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 478-3711
Dr. Linda Calvillo King, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 442-5100
Dr. Linda Chon, M.D.
Los Angeles, CA · $244 in drug and device payments (2025) · (213) 413-3000
Dr. Linda Mirdamadi, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 857-2000
Dr. Lindsey Ward, MD
Los Angeles, CA · $183 in drug and device payments (2025) · (310) 206-6232
Dr. Lisa Abbou, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 748-2411
Dr. Lisa Altman, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 268-3526
Dr. Lisa Davis, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 478-3711
Dr. Lisa Kransdorf, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 794-1276
Dr. Lisa Skinner, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 794-4212
Dr. Lissette Cervantes, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-5610
Dr. Lloyd Johnson, M.D., PH.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 728-0411
Dr. Lori Shiotani, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 794-9718

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.