Jonathan Casimir Szymanowski, DMD,MMSC
NPI 1164467148ActiveIndividual· Dentist, Periodontics· Sacramento, CA
Opted out of Medicare from November 2015 to November 2027. Dentist, Periodontics (DMD,MMSC) in Sacramento, California, licensed in CA, with an NPI issued in June 2006. Part D covered 450 prescriptions written in 2024, 99% of them generic. Dentsply Sirona Inc was the largest of 2 companies reporting payments in 2025, $134.04 in all, mostly food and beverage.
Overview
| NPI | 1164467148 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DMD,MMSC |
| Sole proprietor | No |
| NPI issued | Jun 16, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, Periodontics Primary | 1223P0300X | 46331 | CA |
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 Nov 17, 2015 – Nov 17, 2027 |
| 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) | 450 · 456 30-day fills |
|---|---|
| Patients | 205 |
| Total drug cost | $4,123 |
| Generic share | 99% of claims |
Industry payments (Open Payments)
- 2025$134.04 · 5 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dentsply Sirona Inc | $87.60 | 4 |
| Henry Schein, Inc. | $46.44 | 1 |
What the 2025 payments were for
- Food and Beverage$134.04 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 32 periodontists in Sacramento · All periodontists in California