Ann Girlie Rivera Tkaczyk, NP-C
NPI 1073756821ActiveIndividual· Nurse Practitioner, Family· Nashua, NH
Nurse Practitioner, Family (NP-C) with St. Joseph Hospital of Nashua Nh, practicing in Nashua, New Hampshire. Their prescriptions cost Medicare Part D more than their services did: $147,757 for 3,360 claims, against $56,143 paid for services in 2024. Lists Southern Nh Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1073756821 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP-C |
| Sole proprietor | No |
| NPI issued | Apr 9, 2009 |
| Last updated in NPPES | Nov 8, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 040723-23 | NH |
| Nurse Practitioner, Family | 363LF0000X | RN225861 | MA |
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 (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 207 |
|---|---|
| Services billed | 832 across 6 procedure codes |
| Paid by Medicare | $56,143 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,360 · 3,407 30-day fills |
|---|---|
| Patients | 184 |
| Total drug cost | $147,757 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- St. Joseph Hospital of Nashua NhNashua, NH · 273 clinicians
Hospital affiliations
- Southern Nh Medical CenterNashua, NH
- St Joseph HospitalNashua, NH
Other facilities
- Home Health & Hospice CareHospice · Merrimack, NH
- Fairview Nursing HomeNursing home · Hudson, NH
- Webster at RyeNursing home · Rye, NH
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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