Internal Medicine in Anaheim, California
Data updated monthly · Last refresh September 2026
188 Internal Medicine providers practice in Anaheim, and 31% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Internal Medicine providers in Anaheim
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. Dong Lu, MDAnaheim, CA · No drug or device payments recorded (2025) · Telehealth ·
(888) 988-2800 Dr. Donna Nguyen, MDAnaheim, CA · $125 in drug and device payments (2025) · Telehealth ·
(888) 988-2800 Dr. Edward Nepomuceno, M.D.Anaheim, CA · No drug or device payments recorded (2025) ·
(714) 279-5644 Dr. Edwin Mattson, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(714) 995-1000 Dr. Elaheh Farshidi, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(714) 995-1000 Dr. Elizabeth Cheng, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(714) 501-7692 Dr. Eutiquio Gutierrez, DOAnaheim, CA · $1,707 in drug and device payments (2025) · Telehealth ·
(714) 999-1465 Dr. Fariborz Shams, D.O.Anaheim, CA · $9,347 in drug and device payments (2025) · Telehealth ·
(714) 995-7503 Dr. Francisco Gonda, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(714) 956-5470 Dr. Gabriel Sanchez, DOAnaheim, CA · $416 in drug and device payments (2025) ·
(714) 551-9720 Dr. Gautam Anugu, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(214) 277-4354 Dr. Grace Young, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(714) 817-7878 Dr. Gurleen Jamarai, M.DAnaheim, CA · No drug or device payments recorded (2025) ·
(714) 772-8282 Dr. Hani El JammalAnaheim, CA · No drug or device payments recorded (2025) ·
(714) 399-9222 Dr. Hassan Ragab, M.D.Anaheim, CA · No drug or device payments recorded (2025) ·
(714) 776-2100 Dr. Heather Yong, M.D.Anaheim, CA · No drug or device payments recorded (2025) ·
(714) 254-2747 Dr. Hooshang Javaheri, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(714) 995-1000 Dr. Huy Pham, M.D.Anaheim, CA · No drug or device payments recorded (2025) ·
(714) 635-2922 Dr. Ion Sima, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(714) 776-8273 Dr. Jacquelyn Leung, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Jagminder Bhalla, M.D.Anaheim, CA · No drug or device payments recorded (2025) ·
(714) 956-3160 Dr. James Lozano, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Janet Schreiber, M.D.Anaheim, CA · No drug or device payments recorded (2025) ·
(714) 821-8250 Dr. Jason Jilk, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(714) 974-2900 Dr. Jayana Patel, MDAnaheim, CA · $111 in drug and device payments (2025) ·
(888) 988-2800 Dr. Jay Jablow, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Jeffrey Shapiro, M.D.Anaheim, CA · $471 in drug and device payments (2025) ·
(714) 780-5695 Dr. Jenny Risman, M.D., PH.D.Anaheim, CA · No drug or device payments recorded (2025) ·
(714) 644-2000 Dr. Joel Handler, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Joel Moradkhani, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Joey Santos, M.D.Anaheim, CA · $2,494 in drug and device payments (2025) · Telehealth ·
(714) 635-7127 Dr. Johana Rodriguez, M.D.Anaheim, CA · No drug or device payments recorded (2025) ·
(714) 399-9222 Dr. John Ernsberger, M.D.Anaheim, CA · No drug or device payments recorded (2025) ·
(714) 527-7559 Dr. John Lauridsen, M.D.Anaheim, CA · $324 in drug and device payments (2025) ·
(714) 974-2820 Dr. John Stouffer, MDAnaheim, CA · $102 in drug and device payments (2025) ·
(714) 827-5140 Dr. Julie Brown, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(714) 826-1200 Dr. Kambiz Nooryani, M.D.Anaheim, CA · No drug or device payments recorded (2025) · Telehealth ·
(888) 988-2800 Dr. Kamran Haghighat, MDAnaheim, CA · No drug or device payments recorded (2025) · Telehealth ·
(714) 826-1200 Dr. Katarzyna Twardowska, MD Dr. Kathleen Trivich, M.D.Anaheim, CA · No drug or device payments recorded (2025) ·
(714) 991-5700 Dr. Kenneth Han, D.O.Anaheim, CA · $130,706 in drug and device payments (2025) ·
(714) 827-0700 Dr. Kenneth Horwitz, M.D. Dr. Kevin Pham, M.D.Anaheim, CA · $740 in drug and device payments (2025) ·
(714) 644-2000 Dr. Kristin Cummings, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(833) 574-2273 Dr. Lakshmi Sadasivam, M.D.Anaheim, CA · No drug or device payments recorded (2025) ·
(714) 772-8282 Dr. Lawrence Tawa, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(714) 517-2019 Dr. Lawrence Vu, DOAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Conditions Internal Medicine providers in Anaheim, 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 Anaheim, California?There are 188 Internal Medicine providers with active NPI records practicing in Anaheim, according to federal NPPES data refreshed monthly.
How many Internal Medicine providers in Anaheim received drug or device company payments?59 of 188 (31%) 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 Anaheim treat?Internal Medicine providers in Anaheim 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 Anaheim Internal Medicine across California
