Quick answers
- Which hospitals does Mario C. Rivera work at?
- Medicare's official clinician data lists Mario C. Rivera at 3 hospitals: Essentia Health, Essentia Health St Marys - Detroit Lakes and Prairie Ridge Hospital and Health Services. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mario C. Rivera see patients?
- Medicare's clinician data lists 2 practice locations, including Fargo, ND and Moorhead, MN. Call before your visit to confirm the address.
- What is Mario C. Rivera's specialty?
- Medicare lists Endocrinology as the primary specialty.
- Does Mario C. Rivera accept Medicare assignment?
- Yes. Medicare's clinician data says Mario C. Rivera 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.
- Does Mario C. Rivera offer telehealth?
- Medicare's clinician data says Mario C. Rivera offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mario C. Rivera?
- (701) 364-8900, as listed in official Medicare / NPI Registry data.
- What is Mario C. Rivera's NPI number?
- 1841670445. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mario C. Rivera works
Medicare's Facility Affiliation Data lists Mario C. Rivera 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
- Prairie Ridge Hospital and Health ServicesElbow Lake, MN · Critical Access Hospital · CCN 241379
Practice locations
Addresses where Mario C. Rivera is enrolled with Medicare (CMS data updated 2026-10-02).
- 1702 University Dr SFargo, ND 58103 (701) 364‑8900
- 801 Belsly BlvdMoorhead, MN 56560 (701) 364‑6800
Group practices
Medicare enrollment lists Mario C. Rivera as a member of this group (CMS data updated 2026-10-02).
- Innovis Health LLC559 clinicians in the group
Specialties
- Endocrinologyprimary
Other endocrinologists in North Dakota
Clinicians with the same Medicare primary specialty in North Dakota — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1841670445 |
| 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