Quick answers
- Which hospitals does Robert G. Oatfield work at?
- Medicare's official clinician data lists Robert G. Oatfield at 5 hospitals: CHI St Alexius Health, CHI St Alexius Health Dickinson, CHI St Alexius Health Williston, Garrison Memorial Hospital and SMP Health St Aloisius. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Robert G. Oatfield see patients?
- Medicare's clinician data lists 2 practice locations, including Turtle Lake, ND and Bismarck, ND. Call before your visit to confirm the address.
- What is Robert G. Oatfield's specialty?
- Medicare lists Interventional Cardiology as the primary specialty.
- Does Robert G. Oatfield accept Medicare assignment?
- Yes. Medicare's clinician data says Robert G. Oatfield 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 Robert G. Oatfield?
- (701) 448-2331, as listed in official Medicare / NPI Registry data.
- What is Robert G. Oatfield's NPI number?
- 1578662433. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Robert G. Oatfield works
Medicare's Facility Affiliation Data lists Robert G. Oatfield at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- CHI St Alexius HealthBismarck, ND · Acute Care Hospital · CCN 350002
- CHI St Alexius Health DickinsonDickinson, ND · Critical Access Hospital · CCN 351336
- CHI St Alexius Health WillistonWilliston, ND · Critical Access Hospital · CCN 351334
- Garrison Memorial HospitalGarrison, ND · Critical Access Hospital · CCN 351303
- SMP Health St AloisiusHarvey, ND · Critical Access Hospital · CCN 351327
Practice locations
Addresses where Robert G. Oatfield is enrolled with Medicare (CMS data updated 2026-10-02).
- 220 5th Ave WTurtle Lake, ND 58575 (701) 448‑2331
- 900 E Broadway AveBismarck, ND 58501 (701) 530‑7000
Group practices
Medicare enrollment lists Robert G. Oatfield as a member of this group (CMS data updated 2026-10-02).
- St Alexius Medical Center238 clinicians in the group
Specialties
- Interventional Cardiologyprimary
Find other Interventional Cardiology doctors in North Dakota →
Other interventional cardiologists in North Dakota
Clinicians with the same Medicare primary specialty in North Dakota — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loyola University Of Chicago, Stritch School Of Medicine |
| Graduation year | 1971 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578662433 |
| 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