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. Bryan Nam, MDOrange, CA · $65 in drug and device payments (2025) · Telehealth ·
(714) 628-3136 Dr. Carole Sofio, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 639-0414 Dr. Caroline Hanna, MDOrange, CA · No drug or device payments recorded (2025) · Telehealth ·
(800) 465-3203 Dr. Chien-ko Wu, M.D.Orange, CA · $138 in drug and device payments (2025) · Telehealth ·
(714) 639-6162 Dr. Chinh Duy Le, MDOrange, CA · No drug or device payments recorded (2025) · Telehealth ·
(714) 456-8978 Dr. Christina Velasco, DOOrange, CA · $156 in drug and device payments (2025) · Telehealth ·
(714) 456-6693 Dr. Christopher Vercammen-grandjean, MDOrange, CA · No drug or device payments recorded (2025) ·
(619) 865-9156 Dr. Chung Cuiffo, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 771-8000 Dr. Danielle WangOrange, CA · $496 in drug and device payments (2025) · Telehealth ·
(714) 456-7890 Dr. Daniel Munley, MDOrange, CA · No drug or device payments recorded (2025) · Telehealth ·
(714) 456-7002 Dr. David Reeder, M.D.Orange, CA · $7,383 in drug and device payments (2025) · Telehealth ·
(714) 456-7720 Dr. Deepti Pandita, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-8888 Dr. Dharmi Patel, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 456-6776 Dr. Dongmei Jiang, M.D., PH.D. Dr. Edwin Alexander, M.D. Dr. Elizabeth Cho, M.D. MPHOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-8888 Dr. Erin Newman, M.D.Orange, CA · No drug or device payments recorded (2025) · Telehealth ·
(714) 456-7002 Dr. Evan ShihOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-7890 Dr. Floyd Hubbell, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-8068 Dr. Garima Agrawal, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-8888 Dr. Gary ShmorgonOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-7100 Dr. Graciela Imbastari, MDOrange, CA · $1,244 in drug and device payments (2025) ·
(714) 538-6822 Dr. Haleh SafaviOrange, CA · $623 in drug and device payments (2025) · Telehealth ·
(714) 285-2311 Dr. Hiroki SaitoOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-7890 Dr. Ian LizardoOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-5691 Dr. Iqra Iqbal, MDOrange, CA · No drug or device payments recorded (2025) · Telehealth ·
(714) 456-5691 Dr. Irene Yang-velez, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 456-5135 Dr. Ivan Yee, D.O.Orange, CA · No drug or device payments recorded (2025) ·
(714) 974-8788 Dr. James Fry, DOOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-5691 Dr. Jane Abdelhadi, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 639-9401 Dr. Jasleen Grewal, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-6693 Dr. Jay Amin, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 235-3959 Dr. Jeffrey HughesOrange, CA · No drug or device payments recorded (2025) · Telehealth ·
(714) 456-6693 Dr. Jerry Tsai, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 633-1011 Dr. Jessica Kim, MDOrange, CA · No drug or device payments recorded (2025) · Telehealth ·
(714) 456-7016 Dr. John Godes, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 538-2003 Dr. Johnny Ju, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 456-6693 Dr. Joseph HaquangOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-5691 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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