HealthcareDiscovery.AI / Doctors / California / Garden Grove / Internal Medicine

Internal Medicine in Garden Grove, California

Data updated monthly · Last refresh September 2026

39 Internal Medicine providers practice in Garden Grove, and 51% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in Garden Grove

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. Adriana Longo, M.D.
Garden Grove, CA · No drug or device payments recorded (2025) · (714) 741-3685
Dr. Anthony Sobero, DO
Garden Grove, CA · No drug or device payments recorded (2025) · (833) 574-2273
Dr. Asaad Hakim, M.D.
Garden Grove, CA · $18 in drug and device payments (2025) · (714) 537-7800
Dr. Benjamin Navarro, M.D.
Garden Grove, CA · No drug or device payments recorded (2025) · (714) 636-7852
Dr. Bryan Choi, MD
Garden Grove, CA · No drug or device payments recorded (2025) · (888) 499-9303
Dr. Dai Pham, M.D.
Garden Grove, CA · No drug or device payments recorded (2025) · (714) 788-5566
Dr. Danh Dan, M.D.
Garden Grove, CA · No drug or device payments recorded (2025) · (714) 697-9347
Dr. Daniel Luong, M.D.
Garden Grove, CA · No drug or device payments recorded (2025) · (714) 899-2000
Dr. Douglas Clark, M.D.
Garden Grove, CA · $310 in drug and device payments (2025) · Telehealth · (714) 530-7373
Dr. Edward Ko, M.D.
Garden Grove, CA · No drug or device payments recorded (2025) · (888) 499-9303
Dr. Euil Lim, D.O
Garden Grove, CA · $14 in drug and device payments (2025) · (714) 537-5160
Dr. Hung Nguyen, M.D.
Garden Grove, CA · $506 in drug and device payments (2025) · (714) 539-0444
Dr. Hung Quan, MD
Garden Grove, CA · No drug or device payments recorded (2025) · (714) 899-2000
Dr. Jae Man Park, M.D.
Garden Grove, CA · $16 in drug and device payments (2025) · (714) 534-1112
Dr. Jimmy Wu, M.D.
Garden Grove, CA · $1,486 in drug and device payments (2025) · (714) 636-7852
Dr. Jonathan Warnelo, D.O.
Garden Grove, CA · No drug or device payments recorded (2025) · (714) 537-7800
Dr. Julie Hwynn, M.D.
Garden Grove, CA · $881 in drug and device payments (2025) · Telehealth · (714) 741-0501
Dr. Kyu Yun, MD
Garden Grove, CA · No drug or device payments recorded (2025) · (714) 636-0133
Dr. Michael Dao, M.D.
Garden Grove, CA · $10,507 in drug and device payments (2025) · Telehealth · (714) 899-2000
Dr. Negin Behazin, MD
Garden Grove, CA · $331 in drug and device payments (2025) · (714) 636-9850
Dr. Nga Nguyen, M.D.
Garden Grove, CA · $41 in drug and device payments (2025) · (714) 741-3522
Dr. Nhan Nguyen, M.D.
Garden Grove, CA · No drug or device payments recorded (2025) · (714) 537-8269
Dr. Philip Lynn, M.D.
Garden Grove, CA · No drug or device payments recorded (2025) · Telehealth · (714) 839-4545
Dr. Phuong Tran, DO
Garden Grove, CA · No drug or device payments recorded (2025) · (714) 899-2000
Dr. Robert Ha, MD
Garden Grove, CA · $2,551 in drug and device payments (2025) · Telehealth · (714) 636-3032
Dr. Sarah Strube, DO
Garden Grove, CA · No drug or device payments recorded (2025) · (714) 383-2250
Dr. Se-young Lee, M.D.
Garden Grove, CA · $96 in drug and device payments (2025) · Telehealth · (714) 468-5490
Dr. Shireen Khalife, DO
Garden Grove, CA · $95 in drug and device payments (2025) · Telehealth · (714) 537-7800
Dr. Son Le, M.D.
Garden Grove, CA · $94 in drug and device payments (2025) · (714) 698-3880
Dr. Stephen Park, MD
Garden Grove, CA · No drug or device payments recorded (2025) · (714) 534-3366
Dr. Tam Le, MD
Garden Grove, CA · $172 in drug and device payments (2025) · (714) 643-9442
Dr. Tam Nguyen, M.D.
Garden Grove, CA · $16 in drug and device payments (2025) · Telehealth · (714) 805-8260
Dr. Tan Nguyen, M.D.
Garden Grove, CA · No drug or device payments recorded (2025) · (800) 768-1977
Dr. Theodore Rose, MD
Garden Grove, CA · $243 in drug and device payments (2025) · (716) 636-9852
Dr. Thomas Ton, M.D
Garden Grove, CA · $1,830 in drug and device payments (2025) · (714) 898-8888
Dr. Tiffany Nguyen, M.D.
Garden Grove, CA · No drug or device payments recorded (2025) · (888) 988-2800
Dr. Tinh Tran, MD
Garden Grove, CA · $179 in drug and device payments (2025) · (714) 898-8888
Dr. Tuan Xuan Nguyen, MD
Garden Grove, CA · $156 in drug and device payments (2025) · Telehealth · (714) 530-2420
Dr. Vanessa Tatum, M.D.
Garden Grove, CA · No drug or device payments recorded (2025) · (714) 530-4489

Conditions Internal Medicine providers in Garden Grove, 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 Garden Grove, California?

There are 39 Internal Medicine providers with active NPI records practicing in Garden Grove, according to federal NPPES data refreshed monthly.

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

20 of 39 (51%) 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 Garden Grove treat?

Internal Medicine providers in Garden Grove 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 Garden Grove 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.