Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Marshall Winchester, MD

Individual provider Radiation Oncology Physician · NPI 1184710444

Marshall Winchester, MD is a Radiation Oncology in Grand Forks, North Dakota. Graduated from Wayne State University School of Medicine in 1983, 43 years ago. Practices with Altru Health System, a 667-clinician group and accepts Medicare assignment. Licensed in North Dakota.

Years since qualifying
43
Trained at
Wayne State University School of Medicine
Licensed in
ND
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

960 S Columbia Rd
Grand Forks, ND 58201-4030
Phone: (701) 780-6000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 9615 (ND)

Record details

NPI number1184710444
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 5, 2006
Last updated in NPPESDecember 21, 2020
Certification dateDecember 21, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRADIATION ONCOLOGY
Medical schoolWAYNE STATE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1983 (43 years in practice)
Group practice Altru Health System — 667 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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