HealthcareDiscovery.AI / Doctors / California / San Diego / Internal Medicine

Internal Medicine in San Diego, California

Data updated monthly · Last refresh September 2026

970 Internal Medicine providers practice in San Diego, and 34% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in San Diego

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. William Hardison, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (619) 487-0273
Dr. William Harless, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (858) 499-2600
Dr. William Hughson, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (619) 294-6201
Dr. William Mittendorff, MD
San Diego, CA · No drug or device payments recorded (2025) · (619) 278-3300
Dr. William Sperling, MD
San Diego, CA · No drug or device payments recorded (2025) · (619) 528-5000
Dr. William Toppen, M.D.
San Diego, CA · No drug or device payments recorded (2025) · Telehealth · (800) 926-8273
Dr. William Tseng, MD
San Diego, CA · $27 in drug and device payments (2025) · (619) 528-5000
Dr. Wisam Razook, DO
San Diego, CA · $292 in drug and device payments (2025) · (858) 939-3400
Dr. Xing Ren, M.D.
San Diego, CA · No drug or device payments recorded (2025) · Telehealth · (619) 245-2350
Dr. Yan Xing, MD
San Diego, CA · $98 in drug and device payments (2025) · Telehealth · (619) 543-6529
Dr. Yash Prakash, MD
San Diego, CA · No drug or device payments recorded (2025) · (858) 657-8530
Dr. Yenny Lim, M.D.
San Diego, CA · $632 in drug and device payments (2025) · Telehealth · (858) 764-9000
Dr. Youmna Abdulhadi, MD
San Diego, CA · No drug or device payments recorded (2025) · (513) 638-1575
Dr. Youngmi Kim, MD
San Diego, CA · No drug or device payments recorded (2025) · (619) 532-6827
Dr. Yuan Shao, M.D.
San Diego, CA · $34 in drug and device payments (2025) · Telehealth · (619) 543-7832
Dr. Yuan Zhong, MD
San Diego, CA · $104 in drug and device payments (2025) · (619) 528-5000
Dr. Yunmi Kim
San Diego, CA · $286 in drug and device payments (2025) · (844) 200-2426
Dr. Zehui Tan, M.D.
San Diego, CA · $104 in drug and device payments (2025) · Telehealth · (858) 499-2705
Dr. Zia Agha, MD
San Diego, CA · No drug or device payments recorded (2025) · (858) 552-8585
Dr. Zuhaib Murtaza, MD
San Diego, CA · $241 in drug and device payments (2025) · (858) 939-3400

Conditions Internal Medicine providers in San Diego, 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 San Diego, California?

There are 970 Internal Medicine providers with active NPI records practicing in San Diego, according to federal NPPES data refreshed monthly.

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

329 of 970 (34%) 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 San Diego treat?

Internal Medicine providers in San Diego 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 San Diego 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.