Quick answers
- Which hospitals does John P. Bretzman work at?
- Medicare's official clinician data lists John P. Bretzman at 3 hospitals: Mayo Clinic Hospital Rochester, McKenzie County Healthcare Systems Inc and Sanford Medical Center Bismarck. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John P. Bretzman see patients?
- Medicare's clinician data lists 4 practice locations, including Bismarck, ND and Rochester, MN. Call before your visit to confirm the address.
- What is John P. Bretzman's specialty?
- Medicare lists Interventional Radiology as the primary specialty, and also Internal Medicine.
- Does John P. Bretzman accept Medicare assignment?
- Yes. Medicare's clinician data says John P. Bretzman 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 P. Bretzman?
- (701) 323-5222, as listed in official Medicare / NPI Registry data.
- What is John P. Bretzman's NPI number?
- 1083242564. 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 P. Bretzman works
Medicare's Facility Affiliation Data lists John P. Bretzman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mayo Clinic Hospital RochesterRochester, MN · Acute Care Hospital · CCN 240010
- McKenzie County Healthcare Systems IncWatford City, ND · Critical Access Hospital · CCN 351302
- Sanford Medical Center BismarckBismarck, ND · Acute Care Hospital · CCN 350015
Practice locations
Addresses where John P. Bretzman is enrolled with Medicare (CMS data updated 2026-10-02).
- 1833 E Bismarck Expressway, Sanford Health ChiropracticBismarck, ND 58501 (701) 323‑5222
- 200 1st St SWRochester, MN 55905 (507) 284‑2511
- 222 N 7th StBismarck, ND 58501 (701) 323‑6000
- 3318 N 14th StBismarck, ND 58503 (701) 323‑8300
Group practices
Medicare enrollment lists John P. Bretzman as a member of these groups (CMS data updated 2026-10-02).
- Mayo Clinic4,956 clinicians in the group
- Sanford Bismarck556 clinicians in the group
Specialties
- Interventional Radiologyprimary
- Internal Medicinealso
Find other Interventional Radiology doctors in North Dakota →
Other interventional radiologists in North Dakota
Clinicians with the same Medicare primary specialty in North Dakota — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1083242564 |
| 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