Gregory John Bittner, OD
NPI 1134191448ActiveIndividual· Optometrist· Allison Park, PA
Optometrist (OD) in Allison Park, Pennsylvania, trained at Pennsylvania College of Optometry (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $70,221 for 439 claims, against $19,080 paid for services in 2024. Bausch & Lomb Americas Inc. reported $14.69 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1134191448 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Feb 2, 2006 |
| Last updated in NPPES | Nov 7, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | OEG000486 | PA |
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 (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 198 |
|---|---|
| Services billed | 337 across 15 procedure codes |
| Paid by Medicare | $19,080 |
Part D prescriptions in 2024
| Prescriptions (claims) | 439 · 813 30-day fills |
|---|---|
| Patients | 103 |
| Total drug cost | $70,221 |
| Generic share | 69% of claims |
Education and affiliations
| Medical school | Pennsylvania College of Optometry |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Optometry |
Medical group
- Bittner Vision AssociatesAllison Park, PA · 5 clinicians
Industry payments (Open Payments)
- 2025$14.69 · 1 payment from 1 company
- 2024$200.52 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bausch & Lomb Americas Inc. | $14.69 | 1 |
What the 2025 payments were for
- Food and Beverage$14.69 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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