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Radiation Oncology in Troy, Michigan

Data updated monthly · Last refresh September 2026

7 Radiation Oncology providers practice in Troy. Listings are drawn from federal public records and are not endorsements.

Radiation Oncology providers in Troy

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. Gregory Gustafson
Troy, MI · No drug or device payments recorded (2025) · (248) 964-3073
Dr. Jannifer Stromberg, M.D.
Troy, MI · No drug or device payments recorded (2025) · (248) 964-3070
Dr. Krisha Howell, M.D.
Troy, MI · $518 in drug and device payments (2025) · Telehealth · (248) 952-5019
Dr. Kuei Lee, M.D., PH.D., M.P.H.
Troy, MI · $371 in drug and device payments (2025) · Telehealth · (248) 964-3078
Dr. Peter Paximadis, M.D.
Troy, MI · $30 in drug and device payments (2025) · (800) 527-6266
Dr. Sirisha Nandalur, MD
Troy, MI · No drug or device payments recorded (2025) · Telehealth · (248) 964-5000
Dr. Zachary Seymour, M.D.
Troy, MI · $584 in drug and device payments (2025) · (248) 577-9700

Common questions

How many Radiation Oncology providers are in Troy, Michigan?

There are 7 Radiation Oncology providers with active NPI records practicing in Troy, 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 Troy Radiation Oncology across Michigan

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.