Karlee Walther, NP-C
NPI 1780042614ActiveIndividual· Nurse Practitioner, Family· Natick, MA
Nurse Practitioner, Family (NP-C) in Natick, Massachusetts, licensed in MA, with an NPI issued in February 2016. Their prescriptions cost Medicare Part D more than their services did: $384,054 for 183 claims, against $21,536 paid for services in 2024. Organogenesis Inc. reported $78.96 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1780042614 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP-C |
| Sole proprietor | No |
| NPI issued | Feb 6, 2016 |
| Last updated in NPPES | Sep 21, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | RN2299721 | MA |
| Registered Nurse | 163W00000X | RN2299721 | MA |
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 (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 159 |
|---|---|
| Services billed | 359 across 26 procedure codes |
| Paid by Medicare | $21,536 |
Part D prescriptions in 2024
| Prescriptions (claims) | 183 · 226 30-day fills |
|---|---|
| Patients | 76 |
| Total drug cost | $384,054 |
| Generic share | 79% of claims |
Industry payments (Open Payments)
- 2025$78.96 · 1 payment from 1 company
- 2024$1,147 · 41 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Organogenesis Inc. | $78.96 | 1 |
What the 2025 payments were for
- Food and Beverage$78.96 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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