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. Suresh Veeramachaneni, M.D.
Orange, CA · $18 in drug and device payments (2025) · (714) 771-8000
Dr. Sweta Chekuri, MD
Orange, CA · $317 in drug and device payments (2025) · (714) 880-7812
Dr. Tackson Tam, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 361-6600
Dr. Tai Truong, MD
Orange, CA · $27 in drug and device payments (2025) · (714) 602-7805
Dr. Talal Al-assil
Orange, CA · No drug or device payments recorded (2025) · (714) 456-7890
Dr. Tammy Miller, M.D.
Orange, CA · $62 in drug and device payments (2025) · (714) 456-7890
Dr. Taylor Tso
Orange, CA · $66 in drug and device payments (2025) · (714) 456-5691
Dr. Thomas Blair, INTERNAL MEDICINE
Orange, CA · No drug or device payments recorded (2025) · (714) 538-7060
Dr. Thomas Hryniewicki, M.D.
Orange, CA · No drug or device payments recorded (2025) · Telehealth · (714) 997-2899
Dr. Tianyu Chen, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8888
Dr. Timothy Vu, MD
Orange, CA · $59 in drug and device payments (2025) · (714) 456-5691
Dr. Travis Nesbit, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-7890
Dr. Trevor Mccracken, MD
Orange, CA · $119 in drug and device payments (2025) · (714) 456-5691
Dr. Tsang Lau, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 202-2330
Dr. Uzma Ahmed, MD
Orange, CA · $604 in drug and device payments (2025) · Telehealth · (714) 532-6713
Dr. Vishnu Bharani
Orange, CA · $234 in drug and device payments (2025) · (714) 456-5691
Dr. William Nguyen, M.D.
Orange, CA · $57 in drug and device payments (2025) · (408) 826-2362
Dr. Yadani Al-saleh, M.D.
Orange, CA · $498 in drug and device payments (2025) · Telehealth · (714) 532-6713
Dr. Yanfeng Wang, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 456-6444
Dr. Yasir Khan, M.D.
Orange, CA · $237 in drug and device payments (2025) · (714) 456-6589
Dr. Yio-fan Hsu, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 633-1011
Dr. Zeinab Dabbah, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 867-9657
Dr. Zena Taraporewalla, DO
Orange, CA · $156 in drug and device payments (2025) · Telehealth · (714) 456-8888
Dr. David Padilla, M.D.
Orangevale, CA · No drug or device payments recorded (2025) · (916) 987-2700
Dr. Thomas Sazani, MD MBA
Orcutt, CA · No drug or device payments recorded (2025) · (805) 938-3151
Dr. Anita Krishnamurthy, M.D.
Orinda, CA · $28 in drug and device payments (2025) · (925) 254-9090
Dr. Ann Stevens, M.D.
Orinda, CA · No drug or device payments recorded (2025) · (925) 254-9090
Dr. Brian Candell, M.D.
Orinda, CA · $666 in drug and device payments (2025) · Telehealth · (925) 254-3805
Dr. Ingrid Larsson, M.D.
Orinda, CA · No drug or device payments recorded (2025) · Telehealth · (510) 204-8166
Dr. Judith Kellman, M.D.
Orinda, CA · No drug or device payments recorded (2025) · (925) 254-9090
Dr. Jyothi Bachwani, M.D.
Orinda, CA · No drug or device payments recorded (2025) · Telehealth · (510) 204-8189
Dr. Maria Andrae-hammond, M.D.
Orinda, CA · $103 in drug and device payments (2025) · Telehealth · (925) 254-9090
Dr. Mary Miller, M.D.
Orinda, CA · No drug or device payments recorded (2025) · Telehealth · (925) 254-2008
Dr. Mary Sears, M.D.
Orinda, CA · No drug or device payments recorded (2025) · (925) 254-9090
Dr. Melvin Huie, M.D.
Orinda, CA · $17 in drug and device payments (2025) · Telehealth · (925) 254-3455
Dr. Michele Herman, M.D.
Orinda, CA · $25 in drug and device payments (2025) · (925) 254-9090
Dr. Michelle Bricker, M.D.
Orinda, CA · No drug or device payments recorded (2025) · (925) 254-9090
Dr. Michelle Ong, M.D.
Orinda, CA · No drug or device payments recorded (2025) · (925) 254-9090
Dr. Rashmi Shukla, M.D.
Orinda, CA · $26 in drug and device payments (2025) · Telehealth · (925) 254-9090
Dr. Richard Unger, MD
Orinda, CA · No drug or device payments recorded (2025) · (510) 204-8166
Dr. Sandra Goldstein, M.D.
Orinda, CA · No drug or device payments recorded (2025) · (925) 254-9090
Dr. Seyed Hadi Mirhedayati Roudsari, MD
Orinda, CA · No drug or device payments recorded (2025) · Telehealth · (510) 204-8166
Dr. Stanford Moran, M.D.
Orinda, CA · No drug or device payments recorded (2025) · (510) 867-5876
Dr. Stephanie Ross
Orinda, CA · No drug or device payments recorded (2025) · Telehealth · (510) 204-8189
Dr. Uma Vedala, MD
Orinda, CA · $229 in drug and device payments (2025) · Telehealth · (925) 254-9090
Dr. Vyjayanti Ramaswamy, M.D.
Orinda, CA · $28 in drug and device payments (2025) · (925) 254-9090
Dr. Carol Kavanaugh, D.O.
Orland, CA · $117 in drug and device payments (2025) · (530) 865-3400
Dr. James Corona, MD
Orland, CA · $768 in drug and device payments (2025) · (530) 865-6430
Dr. Anjali Kohli, M.D.
Oroville, CA · $191 in drug and device payments (2025) · (530) 532-8584
Dr. Chakravarthy Maddipati, M.D.
Oroville, CA · No drug or device payments recorded (2025) · (530) 532-8500

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.