Grace Diane Tammera, OD
NPI 1689636359ActiveIndividual· Optometrist· Voorhees, NJ
Optometrist (OD) in Voorhees, New Jersey, licensed in NJ, with an NPI issued in April 2006. Their prescriptions cost Medicare Part D more than their services did: $97,913 for 340 claims, against $56,810 paid for services in 2024. Alcon Vision LLC was the largest of 3 companies reporting payments in 2025, $269.32 in all, mostly food and beverage.
Overview
| NPI | 1689636359 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | Yes |
| NPI issued | Apr 6, 2006 |
| Last updated in NPPES | Oct 19, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 270A00448900 | NJ |
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 (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 303 |
|---|---|
| Services billed | 945 across 16 procedure codes |
| Paid by Medicare | $56,810 |
Part D prescriptions in 2024
| Prescriptions (claims) | 340 · 582 30-day fills |
|---|---|
| Patients | 120 |
| Total drug cost | $97,913 |
| Generic share | 60% of claims |
Industry payments (Open Payments)
- 2025$269.32 · 6 payments from 3 companies
- 2024$894.51 · 19 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $139.63 | 2 |
| Rxsight Inc | $68.18 | 1 |
| Bausch & Lomb Americas Inc. | $61.51 | 3 |
What the 2025 payments were for
- Food and Beverage$269.32 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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