Herman Sullivan, MD
NPI 1528008281ActiveIndividual· Psychiatry & Neurology, Neurology· Grand Rapids, MI
Psychiatry & Neurology, Neurology (MD) with Advantage Health/Saint Mary's Medical Group, practicing in Grand Rapids, Michigan. Their prescriptions cost Medicare Part D more than their services did: $2,439,171 for 1,462 claims, against $4,978 paid for services in 2024. Tg Therapeutics, Inc. reported $45.02 in payments in 2025, mostly food and beverage. Lists Mercy Health Saint Mary's and 1 other hospital as hospital affiliations.
Overview
| NPI | 1528008281 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 8, 2006 |
| Last updated in NPPES | Oct 8, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 4301069347 | 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 (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 65 |
|---|---|
| Services billed | 79 across 11 procedure codes |
| Paid by Medicare | $4,978 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,462 · 1,973 30-day fills |
|---|---|
| Patients | 153 |
| Total drug cost | $2,439,171 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Advantage Health/Saint Mary's Medical GroupCaledonia, MI · 505 clinicians
Hospital affiliations
- Mercy Health Saint Mary'sGrand Rapids, MI
- Trinity Health Muskegon HospitalMuskegon, MI
Industry payments (Open Payments)
- 2025$45.02 · 1 payment from 1 company
- 2024$200.23 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tg Therapeutics, Inc. | $45.02 | 1 |
What the 2025 payments were for
- Food and Beverage$45.02 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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