Richard S. Irwin, MD
NPI 1619950722ActiveIndividual· Internal Medicine, Pulmonary Disease· Worcester, MA
Internal Medicine, Pulmonary Disease (MD) in Worcester, Massachusetts, trained at Tufts University School of Medicine (class of 1968). Their prescriptions cost Medicare Part D more than their services did: $180,830 for 998 claims, against $57,590 paid for services in 2024. Medtronic, Inc. reported $19.54 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1619950722 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 22, 2005 |
| Last updated in NPPES | Nov 13, 2020 |
| Certified by provider | Nov 13, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 43633 | 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 | 133 |
|---|---|
| Services billed | 698 across 9 procedure codes |
| Paid by Medicare | $57,590 |
Part D prescriptions in 2024
| Prescriptions (claims) | 998 · 1,918 30-day fills |
|---|---|
| Patients | 152 |
| Total drug cost | $180,830 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 1968 |
| Medicare specialty | Pulmonary Disease |
| Telehealth | Offers telehealth |
Medical group
- Umass Memorial Medical Group IncWorcester, MA · 2,516 clinicians
Hospital affiliation
- Umass Memorial Medical Center/University CampusWorcester, MA
Industry payments (Open Payments)
- 2025$19.54 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $19.54 | 1 |
What the 2025 payments were for
- Food and Beverage$19.54 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 46 pulmonologists in Worcester · All pulmonologists in Massachusetts