Quick answers
- Which hospitals does Eric Mazel work at?
- Medicare's official clinician data lists Eric Mazel at 2 hospitals: Avera McKennan Hospital & University Health Center and Avera St Mary's Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Eric Mazel see patients?
- Medicare's clinician data lists 1 practice location in Pierre, SD. Call before your visit to confirm the address.
- What is Eric Mazel's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Eric Mazel accept Medicare assignment?
- Yes. Medicare's clinician data says Eric Mazel 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 Eric Mazel?
- (605) 224-5901, as listed in official Medicare / NPI Registry data.
- What is Eric Mazel's NPI number?
- 1053994103. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Eric Mazel works
Medicare's Facility Affiliation Data lists Eric Mazel at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Avera McKennan Hospital & University Health CenterSioux Falls, SD · Acute Care Hospital · CCN 430016
- Avera St Mary's HospitalPierre, SD · Acute Care Hospital · CCN 430015
Practice locations
Addresses where Eric Mazel is enrolled with Medicare (CMS data updated 2026-10-02).
- 801 E Sioux AvePierre, SD 57501 (605) 224‑5901
Group practices
Medicare enrollment lists Eric Mazel as a member of this group (CMS data updated 2026-10-02).
- Avera St Marys97 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Pierre
Clinicians with the same Medicare primary specialty in Pierre, SD — 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) | 1053994103 |
| 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