Michael J. Harrison, MD
NPI 1508849936ActiveIndividual· Neurological Surgery· N Dartmouth, MA
Neurological Surgery (MD) in N Dartmouth, Massachusetts, trained at Icahn School of Medicine at Mount Sinai (class of 1986). 260 Medicare patients in 2024, $129,887 paid; nearly all of their 83 Part D prescriptions were generic (99%). Valinor Pharma, LLC was the largest of 2 companies reporting payments in 2025, $40.61 in all, mostly food and beverage.
Overview
| NPI | 1508849936 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 21, 2005 |
| Last updated in NPPES | Apr 22, 2020 |
| Certified by provider | Apr 22, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | 220233 | MA |
| Specialist | 174400000X | 11401 | RI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurosurgery (MA); Practitioner - Neurosurgery (RI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 260 |
|---|---|
| Services billed | 536 across 52 procedure codes |
| Paid by Medicare | $129,887 |
Part D prescriptions in 2024
| Prescriptions (claims) | 83 · 92 30-day fills |
|---|---|
| Patients | 58 |
| Total drug cost | $1,093 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Icahn School of Medicine at Mount Sinai |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Neurosurgery |
Medical group
- Southcoast Physicians Group IncNew Bedford, MA · 881 clinicians
Hospital affiliation
- Southcoast Hospitals GroupFall River, MA
Other facilities
- Southcoast Visiting Nurse Association IncHome health agency · Fairhaven, MA
Industry payments (Open Payments)
- 2025$40.61 · 2 payments from 2 companies
- 2024$119.32 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Valinor Pharma, LLC | $22.63 | 1 |
| Medtronic, Inc. | $17.98 | 1 |
What the 2025 payments were for
- Food and Beverage$40.61 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records