Gary D. Johnson, MD
NPI 1841226867ActiveIndividual· Psychiatry & Neurology, Neurology· Smithfield, RI
Psychiatry & Neurology, Neurology (MD) in Smithfield, Rhode Island, trained at Perelman School of Med at the University of Pennsylvania (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $61,029 for 580 claims, against $12,293 paid for services in 2024. Abbvie Inc. reported $29.66 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1841226867 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 23, 2006 |
| Last updated in NPPES | Dec 18, 2025 |
| Certified by provider | Dec 18, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | MD08010 | 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 - Neurology (MA); Practitioner - Neurology (RI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 64 |
|---|---|
| Services billed | 108 across 5 procedure codes |
| Paid by Medicare | $12,293 |
Part D prescriptions in 2024
| Prescriptions (claims) | 580 · 924 30-day fills |
|---|---|
| Patients | 81 |
| Total drug cost | $61,029 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Perelman School of Med at the University of Pennsylvania |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Neurology |
Medical groups
- Lifespan Physician Group IncProvidence, RI · 1,173 clinicians
- Rhode Island HospitalProvidence, RI · 437 clinicians
- Brown NeurologyProvidence, RI · 16 clinicians
Hospital affiliations
- Rhode Island HospitalProvidence, RI
- The Miriam HospitalProvidence, RI
Industry payments (Open Payments)
- 2024$29.66 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $29.66 | 1 |
What the 2024 payments were for
- Food and Beverage$29.66 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other neurologists in Smithfield
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