W. Christopher Ehmann, MD
NPI 1912956160ActiveIndividual· Internal Medicine, Hematology & Oncology· Hershey, PA
Internal Medicine, Hematology & Oncology (MD) in Hershey, Pennsylvania, trained at Albany Medical College of Union University (class of 1980). Their prescriptions cost Medicare Part D more than their services did: $1,215,385 for 377 claims, against $22,405 paid for services in 2024. Janssen Biotech, Inc. was the largest of 2 companies reporting payments in 2025, $40.67 in all, mostly food and beverage.
Overview
| NPI | 1912956160 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 8, 2006 |
| Last updated in NPPES | May 14, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | MD041323E | 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 - Hematology/Oncology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 128 |
|---|---|
| Services billed | 414 across 14 procedure codes |
| Paid by Medicare | $22,405 |
Part D prescriptions in 2024
| Prescriptions (claims) | 377 · 517 30-day fills |
|---|---|
| Patients | 49 |
| Total drug cost | $1,215,385 |
| Generic share | 71% of claims |
Education and affiliations
| Medical school | Albany Medical College of Union University |
|---|---|
| Graduation year | 1980 |
| Medicare specialty | Hematology/Oncology |
Medical group
- The Milton S Hershey Medical Center Physicians GroupHershey, PA · 1,623 clinicians
Hospital affiliation
- Milton S Hershey Medical CenterHershey, PA
Industry payments (Open Payments)
- 2025$40.67 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $23.08 | 1 |
| Alexion Pharmaceuticals, Inc. | $17.59 | 1 |
What the 2025 payments were for
- Food and Beverage$40.67 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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