Herbert J. Brennan, DO
NPI 1659489060ActiveIndividual· Internal Medicine· East Greenwich, RI
Internal Medicine (DO) in East Greenwich, Rhode Island, trained at Chicago College of Osteopathy (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $420,895 for 7,482 claims, against $53,258 paid for services in 2024. Abbott Laboratories reported $154.89 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1659489060 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Aug 26, 2006 |
| Last updated in NPPES | Sep 10, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | D000445 | RI |
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 - Internal Medicine (RI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 207 |
|---|---|
| Services billed | 947 across 39 procedure codes |
| Paid by Medicare | $53,258 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,482 · 16,323 30-day fills |
|---|---|
| Patients | 525 |
| Total drug cost | $420,895 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Chicago College of Osteopathy |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Kent County Memorial HospitalWarwick, RI
- Lawrence & Memorial HospitalNew London, CT
- South County Hospital IncWakefield, RI
- The Miriam HospitalProvidence, RI
- Women & Infants Hospital of Rhode IslandProvidence, RI
Other facilities
- Amedisys Home Health CareHome health agency · Warwick, RI
- Saint Elizabeth Home Care (Cathleen Naughton Associates)Home health agency · Warwick, RI
Industry payments (Open Payments)
- 2024$154.89 · 2 payments from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $154.89 | 2 |
What the 2024 payments were for
- Food and Beverage$154.89 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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