Lynn McGrath Jr., MD
NPI 1598008377ActiveIndividual· Neurological Surgery· Portland, ME
Neurological Surgery (MD) with Mercy Hospital, practicing in Portland, Maine. Medicare paid $45,907 for services to 83 patients in 2024. Penumbra, Inc. was the largest of 2 companies reporting payments in 2025, $194.57 in all, mostly food and beverage. Lists Mainehealth Maine Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1598008377 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 31, 2013 |
| Last updated in NPPES | Aug 15, 2024 |
| Certified by provider | Aug 15, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | MD28383 | ME |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Neurosurgery (ME) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 83 |
|---|---|
| Services billed | 157 across 32 procedure codes |
| Paid by Medicare | $45,907 |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Neurosurgery |
Medical group
- Mercy HospitalPortland, ME · 301 clinicians
Hospital affiliations
- Mainehealth Maine Medical CenterPortland, ME
- Northern Light Mercy HospitalPortland, ME
Industry payments (Open Payments)
- 2025$194.57 · 2 payments from 2 companies
- 2024$481.76 · 9 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Penumbra, Inc. | $170.00 | 1 |
| Orthofix Medical, Inc. | $24.57 | 1 |
What the 2025 payments were for
- Food and Beverage$194.57 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Neurological Surgery providers in Portland
- 1952520694
- 1790729051