David James Seastone, PH.D., D.O.
NPI 1629211982ActiveIndividual· Internal Medicine, Hematology & Oncology· Erie, PA
Internal Medicine, Hematology & Oncology (PH.D., D.O.) in Erie, Pennsylvania, trained at Lake Erie College of Osteopathic Medicine, Erie (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $6,342,633 for 3,528 claims, against $121,161 paid for services in 2024. Adc Therapeutics America, Inc. reported $124.74 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1629211982 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PH.D., D.O. |
| Sole proprietor | Yes |
| NPI issued | Apr 15, 2009 |
| Last updated in NPPES | Jul 23, 2026 |
| Certified by provider | Oct 29, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | OS016804 | PA |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 34.010019 | OH |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | OH |
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 - Medical Oncology (NY); Practitioner - Internal Medicine (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 473 |
|---|---|
| Services billed | 1,632 across 15 procedure codes |
| Paid by Medicare | $121,161 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,528 · 4,308 30-day fills |
|---|---|
| Patients | 491 |
| Total drug cost | $6,342,633 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Lake Erie College of Osteopathic Medicine, Erie |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Oncology Hematology Association IncPittsburgh, PA · 202 clinicians
Hospital affiliations
- Saint Vincent HospitalErie, PA
- Upmc Chautauqua at WcaJamestown, NY
- Upmc ColeCoudersport, PA
- Upmc HamotErie, PA
- Upmc Presbyterian ShadysidePittsburgh, PA
Other facilities
- Family HospiceHospice · Erie, PA
Industry payments (Open Payments)
- 2025$124.74 · 1 payment from 1 company
- 2024$2,531 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Adc Therapeutics America, Inc. | $124.74 | 1 |
What the 2025 payments were for
- Food and Beverage$124.74 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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