Katherine M. Flynn, NP
NPI 1326360470ActiveIndividual· Nurse Practitioner, Acute Care· Worcester, MA
Nurse Practitioner, Acute Care (NP) with Umass Memorial Medical Group Inc, practicing in Worcester, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $174,478 for 402 claims, against $12,266 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 2 companies reporting payments in 2025, $206.51 in all, mostly food and beverage. Lists Umass Memorial Health - Harrington Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1326360470 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Feb 17, 2010 |
| Last updated in NPPES | Mar 16, 2022 |
| Certified by provider | Mar 16, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | RN279483 | MA |
| Nurse Practitioner | 363L00000X | 279483 | 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 | 228 |
|---|---|
| Services billed | 287 across 3 procedure codes |
| Paid by Medicare | $12,266 |
Part D prescriptions in 2024
| Prescriptions (claims) | 402 · 805 30-day fills |
|---|---|
| Patients | 87 |
| Total drug cost | $174,478 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Umass Memorial Medical Group IncWorcester, MA · 2,516 clinicians
Hospital affiliations
- Umass Memorial Health - Harrington HospitalSouthbridge, MA
- Umass Memorial Healthalliance HospitalsLeominster, MA
- Umass Memorial Medical Center/University CampusWorcester, MA
Industry payments (Open Payments)
- 2025$206.51 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $186.30 | 1 |
| Paratek Pharmaceuticals, Inc. | $20.21 | 1 |
What the 2025 payments were for
- Food and Beverage$206.51 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 98 acute care nurse practitioners in Worcester · All acute care nurse practitioners in Massachusetts