Walter A. Hollinger, MD
NPI 1679663405ActiveIndividual· Internal Medicine· Providence, RI
Internal Medicine (MD) in Providence, Rhode Island, trained at Pennsylvania State University College of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $1,375,260 for 13,879 claims, against $10,175 paid for services in 2024. Novo Nordisk Inc reported $19.50 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1679663405 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Oct 13, 2006 |
| Last updated in NPPES | Nov 7, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD11613 | RI |
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 - Internal Medicine (RI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 84 |
|---|---|
| Services billed | 255 across 11 procedure codes |
| Paid by Medicare | $10,175 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13,879 · 24,196 30-day fills |
|---|---|
| Patients | 544 |
| Total drug cost | $1,375,260 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Pennsylvania State University College of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Internal Medicine |
Medical group
- Prospect Chartercare Sjhsri LLCLincoln, RI · 31 clinicians
Hospital affiliations
- Our Lady of Fatima HospitalNorth Providence, RI
- Rhode Island HospitalProvidence, RI
- Roger Williams Medical CenterProvidence, RI
- The Miriam HospitalProvidence, RI
Other facilities
- Nurse on CallHome health agency · Lincoln, RI
Industry payments (Open Payments)
- 2025$19.50 · 1 payment from 1 company
- 2024$162.06 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $19.50 | 1 |
What the 2025 payments were for
- Food and Beverage$19.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 529 internal medicine physicians in Providence · All internal medicine physicians in Rhode Island