Active NPI
Ruth Ann Schaefer
- Audiologist-Hearing Aid Fitter
- Willmar, MN
National Provider Identifier
1700968948
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Audiologist-Hearing Aid Fitter
- License
- 5500
- Practice address
- 1801 19TH Ave SW
Willmar, MN 56201-4946 - Phone
- (320) 214-7256
- Fax
- (320) 214-7866
- NPI assigned
- Oct 19, 2006
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Audiologist | 231H00000X | 5500 | MN | |
| Audiologist-Hearing Aid Fitter | 237600000X | 5500 | MN | Primary |
Addresses
Primary practice location
1801 19TH Ave SW
Willmar, MN 56201-4946
Mailing address
1801 19TH Ave SW
Willmar, MN 56201-4946
Phone (320) 214-7256
Other identifiers 4
| Identifier | Type | State | Issuer |
|---|---|---|---|
| HP34524 | Other | HEALTH PARTNERS | |
| 4500121 | Other | MEDICA PRIMARY | |
| 7G479SC | Other | BLUE CROSS BLUE SHIELD | |
| 4500623 | Other | MN | MEDICA CHOICE |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MN
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Janning ENT Center, LLC | Current | Accepting new patients |
Organizations & group practices 1
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.
-
- Otolaryngology Physician
- Willmar, MN
- NPI 1952332629
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1161216000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1700968948",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1801 19TH AVE SW",
"city": "WILLMAR",
"state": "MN",
"postal_code": "562014946",
"telephone_number": "320-214-7256",
"fax_number": "320-214-7866"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1801 19TH AVE SW",
"city": "WILLMAR",
"state": "MN",
"postal_code": "562014946",
"telephone_number": "320-214-7256",
"fax_number": "320-214-7866"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SCHAEFER",
"first_name": "RUTH",
"middle_name": "ANN",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-10-19",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "231H00000X",
"taxonomy_group": "",
"desc": "Audiologist",
"state": "MN",
"license": "5500",
"primary": false
},
{
"code": "237600000X",
"taxonomy_group": "",
"desc": "Audiologist-Hearing Aid Fitter",
"state": "MN",
"license": "5500",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "HEALTH PARTNERS",
"identifier": "HP34524",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MEDICA PRIMARY",
"identifier": "4500121",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE CROSS BLUE SHIELD",
"identifier": "7G479SC",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MEDICA CHOICE",
"identifier": "4500623",
"state": "MN"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Willmar, MN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.