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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. Adeela Ahsan, MD
Irvine, CA · No drug or device payments recorded (2025) · Telehealth · (949) 552-1546
Dr. Ahsan Rashid, MD
Irvine, CA · No drug or device payments recorded (2025) · (949) 753-1522
Dr. Albert Saisho, M.D.
Irvine, CA · No drug or device payments recorded (2025) · Telehealth · (949) 262-0080
Dr. Alex Lu, MD
Irvine, CA · $123 in drug and device payments (2025) · (949) 262-5000
Dr. Alice Wong, MD
Irvine, CA · No drug or device payments recorded (2025) · (949) 824-7010
Dr. Allan Sosin, MD
Irvine, CA · No drug or device payments recorded (2025) · (949) 600-5100
Dr. Amanda Binns, M.D.
Irvine, CA · No drug or device payments recorded (2025) · Telehealth · (949) 417-9820
Dr. Amar Kadakia, MD
Irvine, CA · $47 in drug and device payments (2025) · (855) 206-6764
Dr. Anderson Vu
Irvine, CA · No drug or device payments recorded (2025) · (833) 574-2273
Dr. Andrew Siskind, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 732-3530
Dr. Ann Mai, MD
Irvine, CA · $139 in drug and device payments (2025) · Telehealth · (949) 262-9700
Dr. Anthony Wong, MD
Irvine, CA · $2,013 in drug and device payments (2025) · Telehealth · (949) 551-1090
Dr. Arezou Nazary, MD
Irvine, CA · No drug or device payments recorded (2025) · Telehealth · (949) 791-3101
Dr. Bang Kim, M.D.
Irvine, CA · $1,005 in drug and device payments (2025) · Telehealth · (949) 552-7002
Dr. Barbara Davis, D.O.
Irvine, CA · No drug or device payments recorded (2025) · (855) 206-6764
Dr. Behdad Akbarpour, MD
Irvine, CA · $5,541 in drug and device payments (2025) · (949) 725-0100
Dr. Benhoor Khalpari, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (855) 206-6764
Dr. Betsy Kuriakose, MD
Irvine, CA · No drug or device payments recorded (2025) · (949) 923-3200
Dr. Billy Zhang, MD
Irvine, CA · $295 in drug and device payments (2025) · Telehealth · (714) 263-9279
Dr. Bobby Sasson, M.D., M.P.H.
Irvine, CA · No drug or device payments recorded (2025) · Telehealth · (512) 978-9000
Dr. Brent Silvers, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 770-1122
Dr. Brian Lo, MD
Irvine, CA · $19 in drug and device payments (2025) · Telehealth · (949) 503-5112
Dr. Chienwei Chen, MD
Irvine, CA · $1,566 in drug and device payments (2025) · Telehealth · (949) 551-1090
Dr. Chit Su Wai, MD
Irvine, CA · No drug or device payments recorded (2025) · (949) 923-3200
Dr. Christian Lu, MD
Irvine, CA · $29 in drug and device payments (2025) · Telehealth · (855) 206-6764
Dr. Daniel Otterson, MD
Irvine, CA · No drug or device payments recorded (2025) · Telehealth · (949) 824-8600
Dr. Dan Tran, MD
Irvine, CA · $463 in drug and device payments (2025) · Telehealth · (949) 791-3101
Dr. Denny Lee, MD
Irvine, CA · No drug or device payments recorded (2025) · (949) 753-1663
Dr. Duy Le, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 932-5000
Dr. Edward Himes, MD
Irvine, CA · No drug or device payments recorded (2025) · (949) 933-3200
Dr. Emad Mikhail, MD
Irvine, CA · No drug or device payments recorded (2025) · Telehealth · (949) 653-5810
Dr. Erik Geiger, MD
Irvine, CA · $29 in drug and device payments (2025) · Telehealth · (855) 206-6764
Dr. Farhad Najafi
Irvine, CA · No drug or device payments recorded (2025) · (202) 288-6639
Dr. Farhad Nassiri Afshar, MD
Irvine, CA · No drug or device payments recorded (2025) · (949) 776-9292
Dr. Farhan Ayoub, MD
Irvine, CA · No drug or device payments recorded (2025) · Telehealth · (949) 791-3101
Dr. Farrokh Alemzadeh, MD
Irvine, CA · No drug or device payments recorded (2025) · Telehealth · (949) 654-4325
Dr. Firas Naji, D.O.
Irvine, CA · No drug or device payments recorded (2025) · (949) 981-5033
Dr. Francisco Perez, M.D.
Irvine, CA · $111 in drug and device payments (2025) · (855) 206-6764
Dr. Gayathri Sadashiva Naik, M.D.
Irvine, CA · No drug or device payments recorded (2025) · Telehealth · (949) 791-3101
Dr. Grace Chang, M.D.
Irvine, CA · $424 in drug and device payments (2025) · (949) 872-2850
Dr. Grace Lozinski, M.D.
Irvine, CA · $119 in drug and device payments (2025) · Telehealth · (949) 262-9700
Dr. Hai Le, M.D.
Irvine, CA · $347 in drug and device payments (2025) · (949) 923-3200
Dr. Han Vo, MD
Irvine, CA · $933 in drug and device payments (2025) · Telehealth · (949) 551-1090
Dr. Henry Tsai, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 824-5302
Dr. Hoa Nguyen, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 393-7443
Dr. Hong Shune, MD
Irvine, CA · No drug or device payments recorded (2025) · (949) 654-0010
Dr. Houman Danesh, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (855) 206-6764
Dr. Hsuanwen Huang, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 923-3200
Dr. Hyesun Kim, M.D.
Irvine, CA · $20 in drug and device payments (2025) · (949) 752-7575
Dr. Hye Yi, MD
Irvine, CA · No drug or device payments recorded (2025) · (833) 574-2273

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

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.