Mary Frances Kokoska, APRN
NPI 1447453527ActiveIndividual· Nurse Practitioner· Norwalk, CT
Nurse Practitioner (APRN) with Westchester Medical Group, P.C, practicing in Norwalk, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $41,274 for 732 claims, against $16,346 paid for services in 2024. Lists Greenwich Hospital Association - and 1 other hospital as hospital affiliations.
Overview
| NPI | 1447453527 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN |
| Sole proprietor | Yes |
| NPI issued | Jun 7, 2007 |
| Last updated in NPPES | Jun 18, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 003245 | 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 | 78 |
|---|---|
| Services billed | 384 across 40 procedure codes |
| Paid by Medicare | $16,346 |
Part D prescriptions in 2024
| Prescriptions (claims) | 732 · 1,718 30-day fills |
|---|---|
| Patients | 150 |
| Total drug cost | $41,274 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Westchester Medical Group, P.CWhite Plains, NY · 415 clinicians
Hospital affiliations
- Greenwich Hospital Association -Greenwich, CT
- Norwalk HospitalNorwalk, CT
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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All 17 nurse practitioners in Norwalk · All nurse practitioners in Connecticut