Nicholas Gregg, M.D.
NPI 1528401296ActiveIndividual· Psychiatry & Neurology, Epilepsy· Rochester, MN
Psychiatry & Neurology, Epilepsy (M.D.) with Mayo Clinic and 1 other group, practicing in Rochester, Minnesota. Their prescriptions cost Medicare Part D more than their services did: $139,819 for 335 claims, against $30,109 paid for services in 2024. Lists Mayo Clinic Hospital Rochester as a hospital affiliation.
Overview
| NPI | 1528401296 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 12, 2013 |
| Last updated in NPPES | Oct 27, 2026 |
| Certified by provider | Oct 27, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Epilepsy Primary | 2084E0001X | 62004 | MN |
| Psychiatry & Neurology, Clinical Neurophysiology | 2084N0600X | 62004 | MN |
| Psychiatry & Neurology, Neurology | 2084N0400X | 62004 | MN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Epileptologists (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 124 |
|---|---|
| Services billed | 277 across 27 procedure codes |
| Paid by Medicare | $30,109 |
Part D prescriptions in 2024
| Prescriptions (claims) | 335 · 513 30-day fills |
|---|---|
| Patients | 50 |
| Total drug cost | $139,819 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Epileptologists |
| Telehealth | Offers telehealth |
Medical groups
- Mayo ClinicRochester, MN · 4,956 clinicians
- Mayo Clinic Health System-Southwest Wisconsin Region IncLa Crosse, WI · 534 clinicians
Hospital affiliation
- Mayo Clinic Hospital RochesterRochester, MN
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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