Jason A. Damsker, M.D.
NPI 1427068683ActiveIndividual· Internal Medicine, Hematology & Oncology· Horsham, PA
Internal Medicine, Hematology & Oncology (M.D.) in Horsham, Pennsylvania, trained at Hahnemann University College of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $4,529,128 for 1,885 claims, against $2,127,930 paid for services in 2024. Pharmacosmos Therapeutics Inc. was the largest of 11 companies reporting payments in 2025, $865.92 in all, mostly food and beverage.
Overview
| NPI | 1427068683 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 9, 2006 |
| Last updated in NPPES | Feb 9, 2026 |
| Certified by provider | Feb 9, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | MD069729L | 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 | 608 |
|---|---|
| Services billed | 130,252 across 105 procedure codes |
| Paid by Medicare | $2,127,930 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,885 · 2,535 30-day fills |
|---|---|
| Patients | 278 |
| Total drug cost | $4,529,128 |
| Generic share | 66% of claims |
Education and affiliations
| Medical school | Hahnemann University College of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Temple Faculty Practice Plan IncPhiladelphia, PA · 1,368 clinicians
Hospital affiliations
- Doylestown HospitalDoylestown, PA
- Temple Health - Chestnut Hill HospitalPhiladelphia, PA
- Temple University HospitalPhiladelphia, PA
Industry payments (Open Payments)
- 2025$865.92 · 31 payments from 11 companies
- 2024$5,685 · 56 payments from 27 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pharmacosmos Therapeutics Inc. | $211.84 | 4 |
| Astrazeneca Pharmaceuticals LP | $166.43 | 7 |
| Janssen Biotech, Inc. | $154.19 | 7 |
| Glaxosmithkline, LLC. | $57.30 | 3 |
| Merck Sharp & Dohme LLC | $55.30 | 2 |
What the 2025 payments were for
- Food and Beverage$865.92 · 31 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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