Gregory A. Caldwell, O.D.
NPI 1205827912ActiveIndividual· Optometrist· Duncansville, PA
Optometrist (O.D.) in Duncansville, Pennsylvania, trained at Pennsylvania College of Optometry (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $630,469 for 446 claims, against $19,725 paid for services in 2024. Bausch & Lomb Americas Inc. was the largest of 11 companies reporting payments in 2025, $90,105 in all, mostly compensation for serving as faculty or as a speaker for a me.
Overview
| NPI | 1205827912 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Nov 2, 2005 |
| Last updated in NPPES | Feb 12, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | OEG000024 | 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 | 159 |
|---|---|
| Services billed | 350 across 12 procedure codes |
| Paid by Medicare | $19,725 |
Part D prescriptions in 2024
| Prescriptions (claims) | 446 · 801 30-day fills |
|---|---|
| Patients | 110 |
| Total drug cost | $630,469 |
| Generic share | 63% of claims |
Education and affiliations
| Medical school | Pennsylvania College of Optometry |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Optometry |
Medical group
- Ryan D Imler Od PCDuncansville, PA · 6 clinicians
Industry payments (Open Payments)
- 2025$90,105 · 150 payments from 11 companies
- 2024$113,748 · 87 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bausch & Lomb Americas Inc. | $37,325 | 43 |
| Dompe US, Inc. | $25,397 | 39 |
| Alcon Vision LLC | $21,420 | 37 |
| Abbvie Inc. | $3,250 | 1 |
| Tarsus Pharmaceuticals, Inc. | $1,368 | 7 |
What the 2025 payments were for
- Compensation for serving as faculty or as a speaker for a medical education program$51,138 · 18 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$19,063 · 5 payments
- Consulting Fee$7,300 · 2 payments
- Travel and Lodging$6,956 · 37 payments
- Food and Beverage$5,649 · 88 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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