Corner Stone
Corner Stone is a healthcare organization registered as Professional Counselor in Winona, MN, holding Type 2 (organization) NPI 1821441734 since 2016. The authorized official on file is Mary Olson, Ceo.
✓ Active NPI ✓ Valid NPI checksum
| NPI | 1821441734 |
|---|---|
| Entity type | Organization (Type 2) |
| Legal business name | Corner Stone |
| Practice address | 174 MAIN ST, Winona, MN, 55987 |
| Phone | 5074210220 |
| Enumeration date | 2016-07-14 |
| Last updated in NPPES | 2016-07-14 |
Authorized official
| Name | Mary Olson |
|---|---|
| Title | Ceo |
| Phone | 5076890498 |
Taxonomy & classification
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 101YP2500X | Professional Counselor | Primary | CC00169 | MN |
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1487894481 | Medicaid | MN | — |
Copy-ready billing details
Provider: Corner Stone NPI: 1821441734 Taxonomy: 101YP2500X (Professional Counselor) Address: 174 MAIN ST, Winona, MN, 55987
Verify this record
Cross-check NPI 1821441734 against the authoritative CMS record: view Corner Stone on the official NPPES registry .
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.
Frequently asked questions
Where is Corner Stone located?
How current is this record?
Source: CMS NPPES (public data). Snapshot 2026-07-10. Provider record last updated 2016-07-14.