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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. Jaclyn Leong, DO
Irvine, CA · No drug or device payments recorded (2025) · Telehealth · (949) 824-7000
Dr. James Lindberg, M.D.
Irvine, CA · $197 in drug and device payments (2025) · (949) 262-3031
Dr. James O'brien, MD
Irvine, CA · No drug or device payments recorded (2025) · (949) 272-3800
Dr. James Strebig, MD
Irvine, CA · $72 in drug and device payments (2025) · (949) 654-5344
Dr. James Wang, M.D.
Irvine, CA · $55 in drug and device payments (2025) · (818) 679-8832
Dr. Jane Joaquin-wu, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 705-6635
Dr. Jason Dugan, MD, MBA
Irvine, CA · No drug or device payments recorded (2025) · (949) 551-1090
Dr. Jeffrey Sudeith, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 261-5774
Dr. Jeffrey Young, DO
Irvine, CA · $364 in drug and device payments (2025) · (949) 990-4637
Dr. Jennifer Dong, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 346-4456
Dr. J Margo Orr, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 305-9950
Dr. Joan Moss, MD
Irvine, CA · No drug or device payments recorded (2025) · (714) 921-2273
Dr. John Kao, MD
Irvine, CA · $167 in drug and device payments (2025) · (949) 791-3001
Dr. John Wikle, M.D.
Irvine, CA · No drug or device payments recorded (2025) · Telehealth · (949) 262-9700
Dr. Jonathan Oishi, D.O.
Irvine, CA · No drug or device payments recorded (2025) · (855) 206-6764
Dr. Joon Kim, M.D.
Irvine, CA · $23 in drug and device payments (2025) · (949) 932-2607
Dr. Juan Cabrera, M.D.
Irvine, CA · $583 in drug and device payments (2025) · Telehealth · (855) 206-6764
Dr. Juliana Mathewson, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 502-5438
Dr. Julie Kim, MD
Irvine, CA · $348 in drug and device payments (2025) · (949) 559-6500
Dr. Julie Kuniyoshi, MD
Irvine, CA · No drug or device payments recorded (2025) · (949) 748-8538
Dr. Junko Ohara, MD
Irvine, CA · No drug or device payments recorded (2025) · (949) 654-8963
Dr. Jun Liu, MD
Irvine, CA · No drug or device payments recorded (2025) · (855) 206-6764
Dr. Junli Zha, M.D
Irvine, CA · $307 in drug and device payments (2025) · (949) 262-0838
Dr. Justin Harris, M.D.
Irvine, CA · $120 in drug and device payments (2025) · (949) 923-3200
Dr. Kalena Hwang, M.D.
Irvine, CA · $27 in drug and device payments (2025) · Telehealth · (949) 417-9820
Dr. Kambiz Karimi, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (855) 206-6764
Dr. Kareem Aboutalib, D.O.
Irvine, CA · $48 in drug and device payments (2025) · (949) 932-5000
Dr. Karen Sun, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 768-6780
Dr. Karoline Wang, MD
Irvine, CA · $541 in drug and device payments (2025) · Telehealth · (714) 236-9279
Dr. Katarina Veskovic, M.D.
Irvine, CA · No drug or device payments recorded (2025) · Telehealth · (949) 824-8600
Dr. Keith Lee, MD
Irvine, CA · $2,147 in drug and device payments (2025) · Telehealth · (949) 551-1090
Dr. Kevin Sun, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 923-3200
Dr. Krishni Somaratne, M.D.
Irvine, CA · No drug or device payments recorded (2025) · Telehealth · (714) 644-2210
Dr. Lawrence Ahn
Irvine, CA · $172 in drug and device payments (2025) · Telehealth · (949) 552-4584
Dr. Lida Araghi, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (773) 818-2339
Dr. Lilian Chang, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 552-5108
Dr. Linda Alimadadian, DO
Irvine, CA · $1,879 in drug and device payments (2025) · Telehealth · (949) 552-2700
Dr. Lynda Adrig, MD
Irvine, CA · No drug or device payments recorded (2025) · (949) 855-7255
Dr. Lynn Nugent, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (714) 378-1678
Dr. Mae Kinaly, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 398-7444
Dr. Mahdieh Fallahtafti, D.O.
Irvine, CA · $357 in drug and device payments (2025) · Telehealth · (949) 654-0010
Dr. Mamak Eatesam, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (408) 881-4177
Dr. Maria Teresa Agner, MD
Irvine, CA · No drug or device payments recorded (2025) · (855) 206-6764
Dr. Marta Long, MD
Irvine, CA · No drug or device payments recorded (2025) · (949) 237-2949
Dr. Maulik Majmudar, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (888) 604-0014
Dr. Melanie Spencer-wolf, DO
Irvine, CA · No drug or device payments recorded (2025) · (855) 206-6764
Dr. Michael Loi, DO
Irvine, CA · No drug or device payments recorded (2025) · (949) 923-3200
Dr. Michael Moon, MD
Irvine, CA · No drug or device payments recorded (2025) · (949) 786-0560
Dr. Michael Waldman, M.D.
Irvine, CA · No drug or device payments recorded (2025) · Telehealth · (949) 600-8260
Dr. Michelle Tsukamoto, MD
Irvine, CA · No drug or device payments recorded (2025) · (949) 932-5000

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.