Mitchell Mark Nass, O.D.
NPI 1609936558ActiveIndividual· Optometrist· Fort Defiance, AZ
Optometrist (O.D.) in Fort Defiance, Arizona, trained at Pennsylvania College of Optometry (class of 1982). Enrolled in Medicare as practitioner - optometry and practitioner - optometry.
Overview
| NPI | 1609936558 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | Yes |
| NPI issued | Dec 11, 2006 |
| Last updated in NPPES | Feb 18, 2026 |
| Certified by provider | Feb 18, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 35433 | CA |
| Optometrist | 152W00000X | OPC1771 | FL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Optometry (CA); Practitioner - Optometry (TX) |
|---|
Education and affiliations
| Medical school | Pennsylvania College of Optometry |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Optometry |
Medical group
- The Fort Defiance Indian Hospital Board, IncorporationFort Defiance, AZ · 151 clinicians
Hospital affiliation
- Fort Defiance Indian HospitalFt. Defiance, AZ
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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