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Internal Medicine in Irvine, California

Data updated monthly · Last refresh September 2026

155 Internal Medicine providers practice in Irvine, and 36% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in Irvine

Listed alphabetically. 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. Miki Csintalan, MD
Irvine, CA · No drug or device payments recorded (2025) · (949) 824-5301
Dr. Mohana Kulkarni, M.D.
Irvine, CA · $94 in drug and device payments (2025) · (949) 910-2347
Dr. Molood Hadi, DO
Irvine, CA · $22 in drug and device payments (2025) · (949) 923-3200
Dr. Mona Sedghian, MD
Irvine, CA · $250 in drug and device payments (2025) · Telehealth · (949) 791-3101
Dr. Nazmul Hasan
Irvine, CA · $198 in drug and device payments (2025) · (714) 456-5691
Dr. Nidal Al Hannat, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (855) 206-6764
Dr. Nikki Zahabi, DO
Irvine, CA · $125 in drug and device payments (2025) · Telehealth · (949) 333-7580
Dr. Niroshan Kirupananthan, MD
Irvine, CA · No drug or device payments recorded (2025) · (855) 206-6764
Dr. Nitasha Rimar, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 923-3391
Dr. Norris Vivatrat, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 923-3200
Dr. Omid Vesal, M.D.
Irvine, CA · $33 in drug and device payments (2025) · (949) 222-2722
Dr. Pamela Lawrence, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 509-2214
Dr. Parag Sharma, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (855) 206-6764
Dr. Parvez Jessani, MD
Irvine, CA · $15 in drug and device payments (2025) · (520) 977-2372
Dr. Parvin Shafa, M.D.
Irvine, CA · $652 in drug and device payments (2025) · (949) 551-1113
Dr. Peng-yun Angela Huang, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 393-5789
Dr. Pourya Mirsaeid Ghazi, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (855) 206-6764
Dr. Randa Serag, M.D.
Irvine, CA · No drug or device payments recorded (2025) · Telehealth · (949) 791-3101
Dr. Ravi Shah, MD
Irvine, CA · $25 in drug and device payments (2025) · (949) 923-3200
Dr. Richard Appel
Irvine, CA · No drug or device payments recorded (2025) · (855) 206-6764
Dr. Robert Kaaren
Irvine, CA · No drug or device payments recorded (2025) · (949) 510-6106
Dr. Roya Hormozdiaran, MD,
Irvine, CA · $38 in drug and device payments (2025) · (949) 735-2155
Dr. Samy Younis, M.D.
Irvine, CA · $33 in drug and device payments (2025) · (949) 451-9292
Dr. Sara Kim, M.D.
Irvine, CA · $20 in drug and device payments (2025) · (855) 206-6764
Dr. Sara Sabeti
Irvine, CA · No drug or device payments recorded (2025) · Telehealth · (858) 554-1212
Dr. Satoshi Kamada, M.D
Irvine, CA · $951 in drug and device payments (2025) · Telehealth · (949) 453-1201
Dr. Savitha Bharadwaj, M.D.
Irvine, CA · No drug or device payments recorded (2025) · Telehealth · (949) 791-3101
Dr. Sean Shahamiri, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (855) 206-6764
Dr. Shahnoos Mahdavi, M.D.
Irvine, CA · $157 in drug and device payments (2025) · (855) 206-6764
Dr. Shanta Chawla, MD
Irvine, CA · No drug or device payments recorded (2025) · (714) 389-1555
Dr. Shaparak Kamarei, MD
Irvine, CA · $47 in drug and device payments (2025) · Telehealth · (949) 453-4308
Dr. Shawn Hamilton, MD
Irvine, CA · No drug or device payments recorded (2025) · (702) 997-6651
Dr. Shilrey Contreras, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 824-7010
Dr. Shin-shen Wu, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 705-6635
Dr. Shuhab Zaher, DO
Irvine, CA · No drug or device payments recorded (2025) · (949) 923-3200
Dr. Shyh Min Su, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 932-0430
Dr. Simon So, M.D.
Irvine, CA · $688 in drug and device payments (2025) · Telehealth · (949) 273-2888
Dr. Soroosh Mashayekh, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (714) 745-3047
Dr. Strettapon Suriyaniel, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (855) 206-6764
Dr. Stuart Gilman, MD
Irvine, CA · No drug or device payments recorded (2025) · (949) 294-3129
Dr. Subrato Ghosh, MD
Irvine, CA · No drug or device payments recorded (2025) · (855) 206-6764
Dr. Susan Davoodifar, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 509-6503
Dr. Susan Hodes, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 262-5751
Dr. Terese Bergheim, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 824-4405
Dr. Tung Ngo, DO
Irvine, CA · $838 in drug and device payments (2025) · Telehealth · (855) 206-6764
Dr. Vanessa Vinn, D.O.
Irvine, CA · No drug or device payments recorded (2025) · (949) 923-3200
Dr. Viet Nguyen, D.O.
Irvine, CA · $176 in drug and device payments (2025) · (855) 206-6764
Dr. Warren Hung, MD
Irvine, CA · No drug or device payments recorded (2025) · (949) 559-1496
Dr. Wei Wang, MD
Irvine, CA · No drug or device payments recorded (2025) · Telehealth · (330) 835-8559
Dr. William Chen, M.D.
Irvine, CA · $79 in drug and device payments (2025) · (949) 932-2514

Conditions Internal Medicine providers in Irvine, 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 Irvine, California?

There are 155 Internal Medicine providers with active NPI records practicing in Irvine, according to federal NPPES data refreshed monthly.

How many Internal Medicine providers in Irvine received drug or device company payments?

56 of 155 (36%) 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 Irvine treat?

Internal Medicine providers in Irvine 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 records 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.

All specialties in Irvine Internal Medicine across California

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.