Oren Schaefer, M.D.
NPI 1649252065ActiveIndividual· Internal Medicine, Pulmonary Disease· Worcester, MA
Internal Medicine, Pulmonary Disease (M.D.) in Worcester, Massachusetts, trained at Geisel School of Medicine at Dartmouth (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $1,535,909 for 2,771 claims, against $176,229 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 14 companies reporting payments in 2025, $1,015 in all, mostly food and beverage.
Overview
| NPI | 1649252065 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 20, 2005 |
| Last updated in NPPES | Aug 14, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 72485 | MA |
| Internal Medicine, Allergy & Immunology | 207RA0201X | 72485 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pulmonary Disease (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 753 |
|---|---|
| Services billed | 8,066 across 35 procedure codes |
| Paid by Medicare | $176,229 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,771 · 4,115 30-day fills |
|---|---|
| Patients | 481 |
| Total drug cost | $1,535,909 |
Education and affiliations
| Medical school | Geisel School of Medicine at Dartmouth |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Allergy/Immunology, Critical Care (Intensivists) |
Medical group
- Mass Lung and Allergy PCLeominster, MA · 10 clinicians
Hospital affiliations
- Marlborough HospitalMarlborough, MA
- St Vincent HospitalWorcester, MA
- Umass Memorial Health - Harrington HospitalSouthbridge, MA
- Umass Memorial Healthalliance HospitalsLeominster, MA
- Umass Memorial Medical Center/University CampusWorcester, MA
Industry payments (Open Payments)
- 2025$1,015 · 69 payments from 14 companies
- 2024$1,010 · 86 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $511.24 | 51 |
| Sanofi-Aventis U.S. LLC | $88.99 | 1 |
| Actelion Pharmaceuticals US, Inc. | $81.29 | 3 |
| Glaxosmithkline, LLC. | $58.62 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $37.07 | 2 |
What the 2025 payments were for
- Food and Beverage$892.02 · 67 payments
- Education$122.99 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other pulmonologists in Worcester
- 1033472352
- 1124107123
- 1215450606
- 1336221241
- 1407202682
- 1528041159
- 1588646467
- 1619950722
- 1649499823
- 1780979609
- 1851598478
- 1912386871
All 46 pulmonologists in Worcester · All pulmonologists in Massachusetts