Quick answers
- Which hospitals does Marcus F. Keep work at?
- Medicare's official clinician data lists Marcus F. Keep at 3 hospitals: Prairie Ridge Hospital and Health Services, Sanford Bemidji Medical Center and Sanford Medical Center Fargo. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marcus F. Keep see patients?
- Medicare's clinician data lists 2 practice locations, including West Fargo, ND and Fargo, ND. Call before your visit to confirm the address.
- What is Marcus F. Keep's specialty?
- Medicare lists Neurosurgery as the primary specialty.
- Does Marcus F. Keep accept Medicare assignment?
- Yes. Medicare's clinician data says Marcus F. Keep accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Marcus F. Keep?
- (701) 234-4445, as listed in official Medicare / NPI Registry data.
- What is Marcus F. Keep's NPI number?
- 1164438743. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marcus F. Keep works
Medicare's Facility Affiliation Data lists Marcus F. Keep at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Prairie Ridge Hospital and Health ServicesElbow Lake, MN · Critical Access Hospital · CCN 241379
- Sanford Bemidji Medical CenterBemidji, MN · Acute Care Hospital · CCN 240100
- Sanford Medical Center FargoFargo, ND · Acute Care Hospital · CCN 350011
Practice locations
Addresses where Marcus F. Keep is enrolled with Medicare (CMS data updated 2026-10-02).
- 1220 Sheyenne StWest Fargo, ND 58078 (701) 234‑4445
- 5225 23rd Ave SFargo, ND 58104 (701) 417‑2575
Group practices
Medicare enrollment lists Marcus F. Keep as a member of this group (CMS data updated 2026-10-02).
- Sanford Medical Center Fargo1,225 clinicians in the group
Specialties
- Neurosurgeryprimary
Other neurosurgeons in West Fargo
Clinicians with the same Medicare primary specialty in West Fargo, ND — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical University Of South Carolina College Of Medicine |
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164438743 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians