Quick answers
- Which hospitals does John Tinjum work at?
- Medicare's official clinician data lists John Tinjum at 5 hospitals: Essentia Health, Essentia Health St Marys - Detroit Lakes, Perham Health, Prairie Ridge Hospital and Health Services and Sanford Medical Center Fargo. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Tinjum see patients?
- Medicare's clinician data lists 5 practice locations, including West Fargo, ND, Fargo, ND and Moorhead, MN. Call before your visit to confirm the address.
- What is John Tinjum's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does John Tinjum accept Medicare assignment?
- Yes. Medicare's clinician data says John Tinjum 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 John Tinjum?
- (701) 234-4445, as listed in official Medicare / NPI Registry data.
- What is John Tinjum's NPI number?
- 1093953366. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John Tinjum works
Medicare's Facility Affiliation Data lists John Tinjum at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Essentia HealthFargo, ND · Acute Care Hospital · CCN 350070
- Essentia Health St Marys - Detroit LakesDetroit Lakes, MN · Acute Care Hospital · CCN 240101
- Perham HealthPerham, MN · Critical Access Hospital · CCN 241373
- Prairie Ridge Hospital and Health ServicesElbow Lake, MN · Critical Access Hospital · CCN 241379
- Sanford Medical Center FargoFargo, ND · Acute Care Hospital · CCN 350011
Practice locations
Addresses where John Tinjum is enrolled with Medicare (CMS data updated 2026-10-02).
- 1220 Sheyenne StWest Fargo, ND 58078 (701) 234‑4445
- 1720 University Dr SFargo, ND 58103 (701) 234‑2000
- 4000 28th Ave SMoorhead, MN 56560 (701) 234‑3200
- 5225 23rd Ave SFargo, ND 58104 (701) 417‑2575
- 801 Broadway NFargo, ND 58102 (701) 234‑2000
Group practices
Medicare enrollment lists John Tinjum as a member of this group (CMS data updated 2026-10-02).
- Sanford Medical Center Fargo1,225 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in West Fargo
Clinicians with the same Medicare primary specialty in West Fargo, ND — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Creighton University School Of Medicine |
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1093953366 |
| 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