Christine Lynn Wasilewski, MD
NPI 1376750562ActiveIndividual· Internal Medicine, Hematology & Oncology· Portsmouth, NH
Internal Medicine, Hematology & Oncology (MD) in Portsmouth, New Hampshire, trained at Tulane University School of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $4,063,808 for 1,144 claims, against $81,072 paid for services in 2024. Astellas Pharma US Inc was the largest of 2 companies reporting payments in 2025, $183.87 in all, mostly food and beverage.
Overview
| NPI | 1376750562 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 17, 2007 |
| Last updated in NPPES | Apr 20, 2026 |
| Certified by provider | Apr 20, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 14111 | NH |
| Internal Medicine, Medical Oncology | 207RX0202X | 1019284 | MA |
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 (MA); Practitioner - Hematology/Oncology (ME); Practitioner - Hematology/Oncology (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 396 |
|---|---|
| Services billed | 1,350 across 16 procedure codes |
| Paid by Medicare | $81,072 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,144 · 1,896 30-day fills |
|---|---|
| Patients | 221 |
| Total drug cost | $4,063,808 |
| Generic share | 70% of claims |
Education and affiliations
| Medical school | Tulane University School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical groups
- Wentworth Douglass Physician CorporationDover, NH · 429 clinicians
- Maine Center for Cancer Medicine and Blood Disorders PAWestbrook, ME · 70 clinicians
Hospital affiliations
- Exeter Hospital IncExeter, NH
- Frisbie Memorial HospitalRochester, NH
- Portsmouth Regional HospitalPortsmouth, NH
- Wentworth-Douglass HospitalDover, NH
- York HospitalYork, ME
Industry payments (Open Payments)
- 2025$183.87 · 8 payments from 2 companies
- 2024$76.66 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $163.90 | 7 |
| Novocure Inc. | $19.97 | 1 |
What the 2025 payments were for
- Food and Beverage$183.87 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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