Stuart E. Chassen
NPI 1326137555ActiveIndividual· Dentist, Endodontics· Bayside, NY
Opted out of Medicare from January 2016 to January 2028. Dentist, Endodontics in Bayside, New York, licensed in NY, with an NPI issued in October 2006. Part D covered 80 prescriptions written in 2024, 100% of them generic. Dentsply Sirona Inc reported $22.62 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1326137555 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Oct 12, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, Endodontics Primary | 1223E0200X | 033951 | NY |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Jan 26, 2016 – Jan 26, 2028 |
| Can order and refer | Yes |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Part D prescriptions in 2024
| Prescriptions (claims) | 80 · 80 30-day fills |
|---|---|
| Patients | 61 |
| Total drug cost | $308.66 |
| Generic share | 100% of claims |
Industry payments (Open Payments)
- 2025$22.62 · 1 payment from 1 company
- 2024$50.59 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dentsply Sirona Inc | $22.62 | 1 |
What the 2025 payments were for
- Food and Beverage$22.62 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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