John W. Schaefer, O.D.
John W. Schaefer, O.D. is a healthcare organization registered as Optometrist in Mauston, WI, holding Type 2 (organization) NPI 1871769646 since 2008. The authorized official on file is John Schaefer, Owner.
✓ Active NPI ✓ Valid NPI checksum
| NPI | 1871769646 |
|---|---|
| Entity type | Organization (Type 2) |
| Legal business name | John W. Schaefer, O.D. |
| Practice address | 205 DIVISION ST., Mauston, WI, 53948 |
| Phone | 6088476264 |
| Fax | 6088477279 |
| Enumeration date | 2008-05-01 |
| Last updated in NPPES | 2008-09-23 |
Authorized official
| Name | John Schaefer |
|---|---|
| Title | Owner |
| Phone | 6088476264 |
Taxonomy & classification
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 152W00000X | Optometrist | Primary | 1761 | WI |
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 38516200 | Medicaid | WI | — |
Copy-ready billing details
Provider: John W. Schaefer, O.D. NPI: 1871769646 Taxonomy: 152W00000X (Optometrist) Address: 205 DIVISION ST., Mauston, WI, 53948
Providers at this address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1295816866 | John Schaefer | Individual | Optometrist | Mauston, WI |
| 1124689914 | Mdc Castle Rock | Organization | Dental Clinic/Center | Mauston, WI |
Verify this record
Cross-check NPI 1871769646 against the authoritative CMS record: view John W. Schaefer, O.D. 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
What is a Type 2 NPI?
What type of organization is John W. Schaefer, O.D.?
Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2008-09-23.