Mark Vincent Graytok, OD
NPI 1952373318ActiveIndividual· Optometrist· Greensburg, PA
Optometrist (OD) in Greensburg, Pennsylvania, trained at Pennsylvania College of Optometry (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $36,844 for 283 claims, against $19,806 paid for services in 2024. Lumenis Be Inc was the largest of 6 companies reporting payments in 2025, $1,811 in all, mostly food and beverage.
Overview
| NPI | 1952373318 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | Yes |
| NPI issued | Feb 1, 2006 |
| Last updated in NPPES | Jun 28, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | OEG001356 | PA |
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 (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 238 |
|---|---|
| Services billed | 511 across 8 procedure codes |
| Paid by Medicare | $19,806 |
Part D prescriptions in 2024
| Prescriptions (claims) | 283 · 343 30-day fills |
|---|---|
| Patients | 78 |
| Total drug cost | $36,844 |
| Generic share | 64% of claims |
Education and affiliations
| Medical school | Pennsylvania College of Optometry |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Optometry |
Medical group
- Graytok Family Vision CareGreensburg, PA · 2 clinicians
Industry payments (Open Payments)
- 2025$1,811 · 23 payments from 6 companies
- 2024$663.72 · 23 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lumenis Be Inc | $1,007 | 1 |
| Alcon Vision LLC | $636.67 | 14 |
| Johnson & Johnson Vision Care, Inc. | $89.84 | 4 |
| Coopervision Inc. | $41.70 | 2 |
| Abb Con-Cise Optical Group LLC | $18.70 | 1 |
What the 2025 payments were for
- Food and Beverage$1,811 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 39 optometrists in Greensburg · All optometrists in Pennsylvania