Physician Profile
Marshall Winchester, MD is a healthcare provider in Grand Forks, ND specializing in radiation oncology. Marshall trained at Wayne State University School of Medicine, graduating in 1983. According to Medicare claims data, Marshall cared for 68 Medicare patients across 81 services. The services billed most often include radiation treatment management, 5 treatment sessions, ct guidance for insertion of radiation therapy fields, and new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
960 S COLUMBIA RD
Grand Forks, ND 58201
Within Radiation Oncology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Benign condition
Blood and lymph cancer
Bone cancer
Brain tumors
Cancer emergencies
Chest cancer
Endocrine cancer
Eye cancer
Eye conditions
Foot conditions
Gastrointestinal cancer
Gynecologic cancer
Head & neck cancer
Head and neck cancer
Metastatic cancer
Neurologic condition
Orthopedic conditions
Sarcoma
Skin cancer
Thoracic cancer
Urologic cancer
Vascular conditions
Most searched procedures
Advanced radiation
Benign treatment
Brain radiation
Cancer treatment
Central nervous system
Consultation
External radiation
Eye cancer treatment
Follow-up care
Heart treatments
Internal radiation
Pain and symptom relief
Particle therapy
Precision radiation
Prostate cancer treatment
Prostate protection
Radiation therapy
Skin cancer treatment
Skin lymphoma treatment
Specialized radiation
Targeted isotopes
Targeted radiation drugs
Treatment planning
81 services · 68 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Radiation treatment management, 5 treatment sessions | Imaging | 77427 |
52 | Less often than most peers in Radiation Oncology |
| Ct guidance for insertion of radiation therapy fields | Imaging | 77014 |
18 | Less often than most peers in Radiation Oncology |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
11 | Less often than most peers in Radiation Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Winchester is a radiation oncologist in Grand Forks, ND. That is the designation recorded for this NPI in the federal registry, where it is listed as “Radiation Oncology”.
NPI registry
Dr. Winchester is listed at 960 S Columbia Rd, Grand Forks, ND 58201. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (701) 780-6000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Winchester's National Provider Identifier is 1184710444. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Winchester attended Wayne State University School of Medicine, graduating in 1983. This comes from the CMS National Downloadable File.
CMS public data
Dr. Winchester has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Winchester performs imaging including radiation treatment management, 5 treatment sessions and ct guidance for insertion of radiation therapy fields, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Winchester. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.