Quick answers
- Which hospitals does Robert Tanous work at?
- Medicare's official clinician data lists Robert Tanous at 5 hospitals: CHI St Alexius Health, CHI St Alexius Health Dickinson, Essentia Health, Garrison Memorial Hospital and Sanford Medical Center Bismarck. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Robert Tanous see patients?
- Medicare's clinician data lists 1 practice location in Bismarck, ND. Call before your visit to confirm the address.
- What is Robert Tanous's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Family Practice.
- Does Robert Tanous accept Medicare assignment?
- Yes. Medicare's clinician data says Robert Tanous 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 Tanous?
- (701) 712-4500, as listed in official Medicare / NPI Registry data.
- What is Robert Tanous's NPI number?
- 1174550180. 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 Tanous works
Medicare's Facility Affiliation Data lists Robert Tanous 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
- Essentia HealthFargo, ND · Acute Care Hospital · CCN 350070
- Garrison Memorial HospitalGarrison, ND · Critical Access Hospital · CCN 351303
- Sanford Medical Center BismarckBismarck, ND · Acute Care Hospital · CCN 350015
Practice locations
Addresses where Robert Tanous is enrolled with Medicare (CMS data updated 2026-10-02).
- 401 N 9th StBismarck, ND 58501 (701) 712‑4500
Group practices
Medicare enrollment lists Robert Tanous as a member of this group (CMS data updated 2026-10-02).
- Innovis Health LLC559 clinicians in the group
Specialties
- Internal Medicineprimary
- Family Practicealso
Other internal medicine doctors in Bismarck
Clinicians with the same Medicare primary specialty in Bismarck, ND — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Des Moines University Of Osteopathic Medicine And Health Sciences |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174550180 |
| 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