Keri L. Mayo, PA
NPI 1700518941ActiveIndividual· Physician Assistant, Medical· Brunswick, ME
Physician Assistant, Medical (PA) with Mercy Hospital and 2 other groups, practicing in Brunswick, Maine. Their prescriptions cost Medicare Part D more than their services did: $111,311 for 918 claims, against $6,634 paid for services in 2024. Abbvie Inc. reported $26.16 in payments in 2025, mostly food and beverage. Lists Northern Light Mercy Hospital as a hospital affiliation.
Overview
| NPI | 1700518941 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Jun 27, 2022 |
| Last updated in NPPES | Jul 21, 2026 |
| Certified by provider | Jul 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | PA2376 | ME |
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 - Physician Assistant (ME) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 86 |
|---|---|
| Services billed | 114 across 13 procedure codes |
| Paid by Medicare | $6,634 |
Part D prescriptions in 2024
| Prescriptions (claims) | 918 · 1,629 30-day fills |
|---|---|
| Patients | 277 |
| Total drug cost | $111,311 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Mercy HospitalPortland, ME · 301 clinicians
- Riverview Physical Therapy Limited PartnershipYarmouth, ME · 63 clinicians
- Orthopaedic Associates of Maine PAPortland, ME · 52 clinicians
Hospital affiliation
- Northern Light Mercy HospitalPortland, ME
Industry payments (Open Payments)
- 2025$26.16 · 1 payment from 1 company
- 2024$69.41 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $26.16 | 1 |
What the 2025 payments were for
- Food and Beverage$26.16 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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