Peter Westervelt, MD
NPI 1043292246ActiveIndividual· Internal Medicine, Medical Oncology· Brunswick, ME
Internal Medicine, Medical Oncology (MD) in Brunswick, Maine, trained at Washington University School of Medicine (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $298,156 for 228 claims, against $35,781 paid for services in 2024. Daiichi Sankyo Inc. reported $132.96 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1043292246 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 15, 2005 |
| Last updated in NPPES | Nov 28, 2023 |
| Certified by provider | Nov 28, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | MD27026 | ME |
| Internal Medicine, Medical Oncology | 207RX0202X | 2006008771 | MO |
| Internal Medicine, Medical Oncology | 207RX0202X | 211561 | 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 - Medical Oncology (ME) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 99 |
|---|---|
| Services billed | 395 across 14 procedure codes |
| Paid by Medicare | $35,781 |
Part D prescriptions in 2024
| Prescriptions (claims) | 228 · 281 30-day fills |
|---|---|
| Patients | 59 |
| Total drug cost | $298,156 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Washington University School of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Medical Oncology |
Medical groups
- Massachusetts General Physicians Organization IncBoston, MA · 3,558 clinicians
- MainehealthPortland, ME · 2,633 clinicians
Hospital affiliations
- Barnes Jewish HospitalSaint Louis, MO
- Mainehealth Maine Medical CenterPortland, ME
- Mainehealth Mid Coast HospitalBrunswick, ME
- Massachusetts General HospitalBoston, MA
- Memorial HospitalBelleville, IL
Industry payments (Open Payments)
- 2025$132.96 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Daiichi Sankyo Inc. | $132.96 | 1 |
What the 2025 payments were for
- Food and Beverage$132.96 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Medical Oncology providers in Brunswick
- 1700865243
- 1609847524
- 1033182019
All Internal Medicine, Medical Oncology providers in Maine →