Walter Kostrzewski, DMD
NPI 1649458910ActiveIndividual· Dentist· Milford, CT
Dentist (DMD) in Milford, Connecticut, licensed in CT, with an NPI issued in February 2008. Part D covered 73 prescriptions written in 2024, 71% of them generic. Dentsply Sirona Inc reported $23.90 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1649458910 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DMD |
| Sole proprietor | Yes |
| NPI issued | Feb 8, 2008 |
| Last updated in NPPES | Feb 8, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist Primary | 122300000X | 7929 | 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 Order and Referring Only - Dentist (CT) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 73 · 75 30-day fills |
|---|---|
| Patients | 38 |
| Total drug cost | $788.85 |
| Generic share | 71% of claims |
Industry payments (Open Payments)
- 2025$23.90 · 1 payment from 1 company
- 2024$115.69 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dentsply Sirona Inc | $23.90 | 1 |
What the 2025 payments were for
- Food and Beverage$23.90 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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