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 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. Philip Coffino, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 476-1783 Dr. Philip Hopewell, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 206-8314 Dr. Philip NakashimaSan Francisco, CA · $20 in drug and device payments (2025) · Telehealth ·
(415) 379-2980 Dr. Philip Norris, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 206-5438 Dr. Philip O'keefe, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 558-8200 Dr. Philippe Nguyen, MDSan Francisco, CA · $142 in drug and device payments (2025) ·
(415) 409-3456 Dr. Philip Rosenthal, MDSan Francisco, CA · $70 in drug and device payments (2025) ·
(415) 206-5438 Dr. Phillip Kennedy, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(925) 634-9704 Dr. Phuong-quang Lam, MDSan Francisco, CA · No drug or device payments recorded (2025) · Telehealth ·
(206) 898-7590 Dr. Pratyusha Kishore Narra, MBBSSan Francisco, CA · No drug or device payments recorded (2025) · Telehealth ·
(415) 514-6200 Dr. Prescott Woodruff, MDSan Francisco, CA · $542 in drug and device payments (2025) ·
(415) 476-9456 Dr. Priscilla Yee, M.DSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 998-4753 Dr. Priya Duggal, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 221-4810 Dr. Priyanka Shindgikar, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 600-6000 Dr. Priyanka Wali, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 841-3372 Dr. Pushwaz Virk, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 476-1000 Dr. Pyone Wai Wai Soe, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 391-9686 Dr. Qiao Nan RuanSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 600-3458 Dr. Qingquan Fu, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 312-9094 Dr. Qiuwei Yang, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 600-6000 Dr. Quock Fong, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 221-0177 Dr. Quynh-lan Dao, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 600-6000 Dr. Rabih GehaSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 476-1528 Dr. Rachael Lucatorto, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 476-2378 Dr. Rachel NgSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 833-2000 Dr. Rachel Stern, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 206-5164 Dr. Radha Narra, M.DSan Francisco, CA · No drug or device payments recorded (2025) ·
(985) 750-4357 Dr. Radhika Ramanan, M.D, M.P.H.San Francisco, CA · No drug or device payments recorded (2025) · Telehealth ·
(415) 353-7900 Dr. Rafael Gonzalez-amezcua, MDSan Francisco, CA · $242 in drug and device payments (2025) ·
(415) 550-2222 Dr. Rahael Borchers, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(628) 206-8000 Dr. Rahul Aggarwal, M.D.San Francisco, CA · $31,005 in drug and device payments (2025) · Telehealth ·
(415) 476-1000 Dr. Rain Dunaway, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 833-2000 Dr. Rajasree Pai Ramachandra Pai, M.DSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 221-4810 Dr. Rajneesh Behal, MD, MPHSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 658-6791 Dr. Rajni Rao, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 476-1326 Dr. Rakesh Jotwani, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 443-0699 Dr. Ralph Gonzales, MDSan Francisco, CA · No drug or device payments recorded (2025) · Telehealth ·
(415) 353-2138 Dr. Raman Khanna, MDSan Francisco, CA · $1,019 in drug and device payments (2025) ·
(415) 476-4806 Dr. Randolph Chase, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 668-2851 Dr. Ran XuSan Francisco, CA · No drug or device payments recorded (2025) ·
(628) 206-8000 Dr. Raphael Stricker, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 399-1035 Dr. Raveena Rihal, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(646) 620-8301 Dr. Ravneet Waraich, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 476-1000 Dr. Ray Brindley, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 531-9047 Dr. Raymond Dudley, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 353-2961 Dr. Raymond Ha, MDSan Francisco, CA · $1,018 in drug and device payments (2025) · Telehealth ·
(415) 566-3808 Dr. Raymond Lam, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 600-6000 Dr. Rebecca Abelman, MDSan Francisco, CA · $33 in drug and device payments (2025) ·
(628) 206-8000 Dr. Rebecca Berman, M.D.San Francisco, CA · No drug or device payments recorded (2025) · Telehealth ·
(415) 353-7900 Dr. Rebecca Shunk, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 221-4810 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.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
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.
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