Marshall Winchester, MD
Radiation Oncology Physician · Grand Forks, ND
Marshall Winchester, MD is a radiation oncology physician with a practice address in Grand Forks, North Dakota, and NPI 1184710444, issued on Oct 5, 2006. Check the license (North Dakota 9615, as entered in NPPES) on the North Dakota Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Marshall Winchester
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 9615 ND
Self-reported in NPPES; status is on the state search - Practice location
- 960 S Columbia RD, Grand Forks, ND 58201
- Phone
- (701) 780-6000
- Enumerated
- Oct 5, 2006
- Record last updated
- Dec 21, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050427000182); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1983
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 23 in North Dakota → Look up another NPI →
Also registered at 960 S Columbia RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kayla Clausen, FNP-CFamily Nurse Practitioner1023504073
- Jacqueline Devine-Roberts, NPNurse Practitioner1336285931
- Nicole Hylden, FNP-CFamily Nurse Practitioner1447652300
- Kevin Panico, MDHematology & Oncology Physician1225120652
- Grant Seeger, M.D.Radiation Oncology Physician1427252014
- Daniel Walsh, MDHematology & Oncology Physician1093801359
Verify Marshall Winchester in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Dakota Board of Medicine
Search for license 9615Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Altru Health SystemGrand Forks, ND
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marshall Winchester among 23 radiation oncology physician records in North Dakota
Marshall Winchester, MD is one of 23 radiation oncology physician records with a practice address in North Dakota. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 0% of them.
- NPI issued2006 · 0% of these records are older, 61% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1983 · median 2009 among the 17 with a school on file
- Record last updated2020 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a North Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in North Dakota
There are 23 radiation oncology physician records in North Dakota.
All 23 in North Dakota → Every provider in Grand Forks → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- William Noyes, M.D.Grand Forks, ND 582011649382292
- Grant Seeger, M.D.Grand Forks, ND 582011427252014
- Robert Arusell, MDFargo, ND 581221811915515
- Dennis Bier, MDFargo, ND 581221114945847
- Casey Liveringhouse, MDFargo, ND 581041922568963
- Mark Cooper, MDFargo, ND 581031962427351
- Salah Dajani, MDFargo, ND 581031215499116
- Miran Blanchard, MDFargo, ND 581021629369830
Common questions
What is Marshall Winchester, MD's NPI number?
Marshall Winchester, MD's National Provider Identifier (NPI) is 1184710444, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marshall Winchester, MD located?
The NPPES record lists a practice address at 960 S Columbia RD, Grand Forks, ND, 58201. Phone: (701) 780-6000. Providers update this record themselves, so call before visiting.
How can I verify Marshall Winchester, MD's license?
NPPES lists North Dakota license number 9615, as entered by the provider. Search the North Dakota Board of Medicine at https://www.ndbom.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.