Leonard R. Bertheau, D.O.
NPI 1912079500ActiveIndividual· Family Medicine, Diabetology· Pawtucket, RI
Family Medicine, Diabetology (D.O.) in Pawtucket, Rhode Island, trained at Oklahoma State University College of Osteopathic Medicine (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $2,107,416 for 4,418 claims, against $14,198 paid for services in 2024. Abbott Laboratories was the largest of 5 companies reporting payments in 2025, $319.39 in all, mostly food and beverage.
Overview
| NPI | 1912079500 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Nov 15, 2006 |
| Last updated in NPPES | Dec 18, 2025 |
| Certified by provider | Dec 18, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine, Diabetology Primary | 207QD0401X | DO01307 | RI |
| Family Medicine | 207Q00000X | DO01307 | 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 - Family Practice (RI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 138 |
|---|---|
| Services billed | 254 across 10 procedure codes |
| Paid by Medicare | $14,198 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,418 · 10,686 30-day fills |
|---|---|
| Patients | 816 |
| Total drug cost | $2,107,416 |
| Generic share | 36% of claims |
Education and affiliations
| Medical school | Oklahoma State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Family Practice |
Medical group
- Affinity Physicians LLC.Warwick, RI · 730 clinicians
Hospital affiliations
- Kent County Memorial HospitalWarwick, RI
- South County Hospital IncWakefield, RI
- The Miriam HospitalProvidence, RI
- Women & Infants Hospital of Rhode IslandProvidence, RI
Industry payments (Open Payments)
- 2025$319.39 · 6 payments from 5 companies
- 2024$466.73 · 11 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $174.33 | 1 |
| Medtronic, Inc. | $62.50 | 1 |
| Lilly USA, LLC | $44.13 | 2 |
| Xeris Pharmaceuticals, Inc. | $23.76 | 1 |
| Novo Nordisk Inc | $14.67 | 1 |
What the 2025 payments were for
- Food and Beverage$319.39 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records