Gerald T. Riess, MD
NPI 1861589558ActiveIndividual· Psychiatry & Neurology, Neurology· Lima, OH
Psychiatry & Neurology, Neurology (MD) in Lima, Ohio, trained at Wayne State University School of Medicine (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $1,053,810 for 6,361 claims, against $47,724 paid for services in 2024. Abbvie Inc. was the largest of 4 companies reporting payments in 2025, $236.49 in all, mostly food and beverage.
Overview
| NPI | 1861589558 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 6, 2006 |
| Last updated in NPPES | Jan 4, 2021 |
| Certified by provider | Jan 4, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 35123873 | OH |
| Psychiatry & Neurology, Neurology | 2084N0400X | 4301052646 | MI |
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 (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 372 |
|---|---|
| Services billed | 854 across 26 procedure codes |
| Paid by Medicare | $47,724 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,361 · 9,044 30-day fills |
|---|---|
| Patients | 583 |
| Total drug cost | $1,053,810 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Neurology |
Medical group
- Lima Memorial Professional CorporationLima, OH · 165 clinicians
Hospital affiliations
- Lima Memorial Health SystemLima, OH
- Mercy Health St Ritas Medical CenterLima, OH
Industry payments (Open Payments)
- 2025$236.49 · 24 payments from 4 companies
- 2024$536.95 · 52 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $146.31 | 19 |
| Livanova USA, Inc. | $38.03 | 2 |
| Otsuka America Pharmaceutical, Inc. | $32.29 | 2 |
| Biogen, Inc. | $19.86 | 1 |
What the 2025 payments were for
- Food and Beverage$236.49 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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