Active NPI
Eric Mazel, MD
- Family Medicine Physician
- Pierre, SD
National Provider Identifier
1053994103
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- License
- 16713
- Practice address
- 801 E Sioux Ave
Pierre, SD 57501-3323 - Phone
- (605) 224-5901
- NPI assigned
- May 5, 2021
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | 16713 | SD | Primary |
Addresses
Primary practice location
801 E Sioux Ave
Pierre, SD 57501-3323
Mailing address
801 E Sioux Ave
Pierre, SD 57501-3323
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in SD
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Other, 2020
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
801 E Sioux Ave
Pierre, SD 57501-3323
Phone (605) 224-5901
Hospital & facility affiliations
- Avera St Mary'S Hospital
- Avera McKennan Hospital & University Health Center
- Avera St Mary'S Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 96.04 of 100
- Quality
- 89.99
- Promoting interoperability
- 100
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Avera St Marys | Current | Accepting new patients | |
| Avera St Marys | Current | Accepting new patients | |
| Avera St Marys | Current | Accepting new patients | |
| Avera McKennan | Family Medicine | Past | Accepting new patients |
Interoperability endpoints
- emazel154471@uihealth.direct-ci.com
Organizations & group practices 4
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- General Acute Care Hospital
- Pierre, SD
- NPI 1669457180
-
- Emergency Medicine Physician
- Pierre, SD
- NPI 1073305496
-
- Multi-Specialty Clinic/Center
- Pierre, SD
- NPI 1720326713
-
- Family Medicine Physician
- Spencer, IA
- NPI 1902886567
Hospital & facility affiliations 26
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Sioux Falls, SD
- NPI 1154531630
-
- General Acute Care Hospital
- Sioux Falls, SD
- NPI 1184834764
-
- Endocrinology, Diabetes & Metabolism Physician
- Sioux Falls, SD
- NPI 1396711016
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1620172800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1776038400000",
"number": "1053994103",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "801 E SIOUX AVE",
"city": "PIERRE",
"state": "SD",
"postal_code": "575013323"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "801 E SIOUX AVE",
"city": "PIERRE",
"state": "SD",
"postal_code": "575013323",
"telephone_number": "605-224-5901"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MAZEL",
"first_name": "ERIC",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2021-05-05",
"last_updated": "2026-04-13",
"certification_date": "2026-04-13",
"status": "A"
},
"taxonomies": [
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "SD",
"license": "16713",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Pierre, SD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.