Lisa A. McMahon, FNP-BC
NPI 1235851643ActiveIndividual· Nurse Practitioner, Family· Bear, DE
Nurse Practitioner, Family (FNP-BC) with Bay River Primary Care PC, practicing in Bear, Delaware. Enrolled in Medicare as practitioner - nurse practitioner. Bayer Healthcare Pharmaceuticals Inc. was the largest of 3 companies reporting payments in 2025, $103.35 in all, mostly food and beverage. Lists University of MD Shore Medical Center at Easton and 1 other hospital as hospital affiliations.
Overview
| NPI | 1235851643 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-BC |
| Sole proprietor | Yes |
| NPI issued | Sep 13, 2022 |
| Last updated in NPPES | May 26, 2025 |
| Certified by provider | May 26, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | LG-0012032 | DE |
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 - Nurse Practitioner (MD) |
|---|
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Bay River Primary Care PCChestertown, MD · 7 clinicians
Hospital affiliations
- University of MD Shore Medical Center at EastonEaston, MD
- University of MD Shore Medical Ctr at ChestertownChestertown, MD
Other facilities
- Vna of Maryland- ChestertownHome health agency · Chestertown, MD
Industry payments (Open Payments)
- 2025$103.35 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $60.59 | 2 |
| Astellas Pharma US Inc | $24.94 | 1 |
| Pfizer Inc. | $17.82 | 1 |
What the 2025 payments were for
- Food and Beverage$103.35 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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