Karrie K. Sweet, CNP
NPI 1831488477ActiveIndividual· Nurse Practitioner· Portland, ME
Nurse Practitioner (CNP) with Portland Gastroenterology Associates PA, practicing in Portland, Maine. Their prescriptions cost Medicare Part D more than their services did: $1,248,693 for 649 claims, against $19,074 paid for services in 2024. Janssen Biotech, Inc. was the largest of 10 companies reporting payments in 2025, $1,277 in all, mostly food and beverage. Lists Mainehealth Maine Medical Center as a hospital affiliation.
Overview
| NPI | 1831488477 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CNP |
| Sole proprietor | No |
| NPI issued | Apr 5, 2011 |
| Last updated in NPPES | Sep 8, 2022 |
| Certified by provider | Sep 8, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | CNP171067 | ME |
| Dietitian, Registered | 133V00000X | DI825 | 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 - Nurse Practitioner (ME) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 173 |
|---|---|
| Services billed | 253 across 8 procedure codes |
| Paid by Medicare | $19,074 |
Part D prescriptions in 2024
| Prescriptions (claims) | 649 · 1,365 30-day fills |
|---|---|
| Patients | 192 |
| Total drug cost | $1,248,693 |
| Generic share | 71% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Portland Gastroenterology Associates PAPortland, ME · 22 clinicians
Hospital affiliation
- Mainehealth Maine Medical CenterPortland, ME
Industry payments (Open Payments)
- 2025$1,277 · 29 payments from 10 companies
- 2024$1,151 · 63 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $365.37 | 7 |
| Madrigal Pharmaceuticals | $320.70 | 6 |
| Genzyme Corporation | $197.99 | 6 |
| Gilead Sciences, Inc. | $127.57 | 2 |
| Medtronic, Inc. | $94.00 | 1 |
What the 2025 payments were for
- Food and Beverage$1,277 · 29 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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