Kirsten Piotrowski Sobkowich, APRN
NPI 1891431771ActiveIndividual· Nurse Practitioner· Groton, MA
Nurse Practitioner (APRN) with Emerson Practice Associates, Inc, practicing in Groton, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $79,953 for 1,450 claims, against $41,979 paid for services in 2024. Ucb, Inc. was the largest of 14 companies reporting payments in 2025, $760.48 in all, mostly food and beverage. Lists Emerson Hospital - as a hospital affiliation.
Overview
| NPI | 1891431771 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN |
| Sole proprietor | No |
| NPI issued | May 12, 2022 |
| Last updated in NPPES | Aug 25, 2022 |
| Certified by provider | Aug 25, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | RN2368610 | 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 | 285 |
|---|---|
| Services billed | 621 across 20 procedure codes |
| Paid by Medicare | $41,979 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,450 · 3,185 30-day fills |
|---|---|
| Patients | 491 |
| Total drug cost | $79,953 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Emerson Practice Associates, IncConcord, MA · 240 clinicians
Hospital affiliation
- Emerson Hospital -W Concord, MA
Industry payments (Open Payments)
- 2025$760.48 · 29 payments from 14 companies
- 2024$1,528 · 61 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ucb, Inc. | $195.86 | 6 |
| Janssen Biotech, Inc. | $152.34 | 4 |
| Amgen Inc. | $144.79 | 8 |
| Pfizer Inc. | $34.12 | 1 |
| Ars Pharmaceuticals Operations, Inc. | $28.98 | 1 |
What the 2025 payments were for
- Food and Beverage$760.48 · 29 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nurse practitioners in Groton
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