Sarah Knauf, APRN
NPI 1588150643ActiveIndividual· Nurse Practitioner, Family· Shelton, CT
Nurse Practitioner, Family (APRN) with Hartford Healthcare Medical Group Specialists PLLC, practicing in Shelton, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $523,334 for 1,394 claims, against $13,991 paid for services in 2024. Takeda Pharmaceuticals U.S.A., Inc. was the largest of 2 companies reporting payments in 2025, $68.34 in all, mostly food and beverage. Lists Hartford Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1588150643 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN |
| Sole proprietor | No |
| NPI issued | Jul 2, 2018 |
| Last updated in NPPES | Mar 8, 2022 |
| Certified by provider | Mar 8, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 12.007650 | CT |
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 (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 94 |
|---|---|
| Services billed | 186 across 9 procedure codes |
| Paid by Medicare | $13,991 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,394 · 2,364 30-day fills |
|---|---|
| Patients | 254 |
| Total drug cost | $523,334 |
| Generic share | 66% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Hartford Healthcare Medical Group Specialists PLLCBridgeport, CT · 1,588 clinicians
Hospital affiliations
- Hartford HospitalHartford, CT
- St Vincent's Medical CenterBridgeport, CT
- The Hospital of Central ConnecticutNew Britain, CT
- William W Backus HospitalNorwich, CT
Industry payments (Open Payments)
- 2025$68.34 · 2 payments from 2 companies
- 2024$1,493 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $44.65 | 1 |
| Glaxosmithkline, LLC. | $23.69 | 1 |
What the 2025 payments were for
- Food and Beverage$68.34 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 48 family nurse practitioners in Shelton · All family nurse practitioners in Connecticut