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

Nuclear Medicine in San Diego, California

Data updated monthly · Last refresh September 2026

12 Nuclear Medicine providers practice in San Diego. Listings are drawn from federal public records and are not endorsements.

Nuclear 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. Amir Rad, M.D
San Diego, CA · $203 in drug and device payments (2025) · Telehealth · (800) 926-8273
Dr. Carl Hoh, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (800) 926-8273
Dr. Ernest Belezzuoli, M.D.
San Diego, CA · $338 in drug and device payments (2025) · (858) 552-7511
Dr. Frank Papatheofanis
San Diego, CA · No drug or device payments recorded (2025) · (619) 543-6681
Dr. Guy Ravad, MD
San Diego, CA · No drug or device payments recorded (2025) · (619) 528-5000
Dr. Jon Umlauf, MD
San Diego, CA · No drug or device payments recorded (2025) · (206) 616-5781
Dr. Kousha Zarnegar, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (800) 926-8273
Dr. Michael Starsiak, MD
San Diego, CA · $134 in drug and device payments (2025) · (619) 532-8775
Dr. Ryan Pham, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (800) 926-8273
Dr. Samuel Halpern, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (619) 543-6680
Dr. Suzan Parhizgar
San Diego, CA · $100 in drug and device payments (2025) · (800) 926-8273
Dr. Xueren Zhao, MD
San Diego, CA · No drug or device payments recorded (2025) · (800) 926-8273

Common questions

How many Nuclear Medicine providers are in San Diego, California?

There are 12 Nuclear Medicine providers with active NPI records practicing in San Diego, according to federal NPPES data refreshed monthly.

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 Nuclear 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.