Paul James Grenier, O.D.
NPI 1386608081ActiveIndividual· Optometrist· Ann Arbor, MI
Optometrist (O.D.) in Ann Arbor, Michigan, trained at Illinois College of Optometry at Chicago (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $36,777 for 129 claims, against $13,015 paid for services in 2024. Alcon Vision LLC reported $144.26 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1386608081 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Apr 12, 2006 |
| Last updated in NPPES | Mar 7, 2023 |
| Certified by provider | Jan 28, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 4901004452 | MI |
| Optometrist | 152W00000X | 046-009510 | IL |
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 | 235 |
|---|---|
| Services billed | 258 across 13 procedure codes |
| Paid by Medicare | $13,015 |
Part D prescriptions in 2024
| Prescriptions (claims) | 129 · 177 30-day fills |
|---|---|
| Patients | 49 |
| Total drug cost | $36,777 |
| Generic share | 44% of claims |
Education and affiliations
| Medical school | Illinois College of Optometry at Chicago |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Optometry |
Medical group
- Regents of the University of MichiganAnn Arbor, MI · 3,346 clinicians
Hospital affiliation
- University of Michigan Health SystemAnn Arbor, MI
Industry payments (Open Payments)
- 2025$144.26 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $144.26 | 1 |
What the 2025 payments were for
- Food and Beverage$144.26 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 85 optometrists in Ann Arbor · All optometrists in Michigan