Christine Callahan, MD
NPI 1811910581ActiveIndividual· Ophthalmology· Hershey, PA
Ophthalmology (MD) in Hershey, Pennsylvania, trained at Pennsylvania State University College of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $222,089 for 2,373 claims, against $54,922 paid for services in 2024. Carl Zeiss Meditec Digital Innovations LLC reported $5,418 in payments in 2024, mostly debt forgiveness.
Overview
| NPI | 1811910581 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 25, 2006 |
| Last updated in NPPES | Apr 7, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | MD437982 | PA |
| Ophthalmology | 207W00000X | ME87870 | FL |
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 - Ophthalmology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 392 |
|---|---|
| Services billed | 1,161 across 38 procedure codes |
| Paid by Medicare | $54,922 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,373 · 4,323 30-day fills |
|---|---|
| Patients | 417 |
| Total drug cost | $222,089 |
| Generic share | 74% of claims |
Education and affiliations
| Medical school | Pennsylvania State University College of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Ophthalmology |
Medical group
- The Milton S Hershey Medical Center Physicians GroupHershey, PA · 1,623 clinicians
Hospital affiliations
- Lancaster General HospitalLancaster, PA
- Milton S Hershey Medical CenterHershey, PA
- Penn State Health Lancaster Medical CenterLancaster, PA
- Upmc Pinnacle HospitalsHarrisburg, PA
Industry payments (Open Payments)
- 2024$5,418 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Carl Zeiss Meditec Digital Innovations LLC | $5,418 | 1 |
What the 2024 payments were for
- Debt forgiveness$5,418 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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