Karen Stoughton, MSN, FNP-C
NPI 1477952075ActiveIndividual· Nurse Practitioner· Portland, ME
Nurse Practitioner (MSN, FNP-C) with Mainehealth, practicing in Portland, Maine. Their prescriptions cost Medicare Part D more than their services did: $8,383 for 147 claims, against $2,268 paid for services in 2024. Exelixis Inc. reported $116.85 in payments in 2025, mostly food and beverage. Lists Mainehealth Maine Medical Center as a hospital affiliation.
Overview
| NPI | 1477952075 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MSN, FNP-C |
| Sole proprietor | No |
| NPI issued | Aug 19, 2014 |
| Last updated in NPPES | Jul 15, 2021 |
| Certified by provider | Jul 15, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | CNP141024 | ME |
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 (ME) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 37 |
|---|---|
| Services billed | 57 across 18 procedure codes |
| Paid by Medicare | $2,268 |
Part D prescriptions in 2024
| Prescriptions (claims) | 147 · 168 30-day fills |
|---|---|
| Patients | 92 |
| Total drug cost | $8,383 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- MainehealthPortland, ME · 2,633 clinicians
Hospital affiliation
- Mainehealth Maine Medical CenterPortland, ME
Industry payments (Open Payments)
- 2025$116.85 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exelixis Inc. | $116.85 | 1 |
What the 2025 payments were for
- Food and Beverage$116.85 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nurse practitioners in Portland
- 1205229135
- 1245494095
- 1295789329
- 1548820384
- 1649932070
- 1679681456
- 1770637001
- 1831488477
- 1982156618
- 1043589443
- 1043965924
- 1063120376
All 66 nurse practitioners in Portland · All nurse practitioners in Maine