Nathan G. Baas, O.D.
NPI 1619039864ActiveIndividual· Optometrist· Traverse City, MI
Optometrist (O.D.) in Traverse City, Michigan, trained at Ferris State College - College of Optometry (class of 2002). In 2024 Medicare paid $9,662 for 115 patients, and Part D covered 114 of their prescriptions, 79% of them generic. Carl Zeiss Meditec USA, Inc. was the largest of 3 companies reporting payments in 2025, $210.81 in all, mostly food and beverage.
Overview
| NPI | 1619039864 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Dec 14, 2006 |
| Last updated in NPPES | Aug 24, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | NB004139 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Optometry (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 115 |
|---|---|
| Services billed | 198 across 12 procedure codes |
| Paid by Medicare | $9,662 |
Part D prescriptions in 2024
| Prescriptions (claims) | 114 · 211 30-day fills |
|---|---|
| Patients | 40 |
| Total drug cost | $5,438 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | Ferris State College - College of Optometry |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Optometry |
Industry payments (Open Payments)
- 2025$210.81 · 5 payments from 3 companies
- 2024$160.62 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Carl Zeiss Meditec USA, Inc. | $117.32 | 1 |
| Alcon Vision LLC | $46.75 | 2 |
| Johnson & Johnson Vision Care, Inc. | $46.74 | 2 |
What the 2025 payments were for
- Food and Beverage$210.81 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 58 optometrists in Traverse City · All optometrists in Michigan