Mark Andrew De Simone, D.D.S.
NPI 1275781619ActiveIndividual· Dentist, General Practice· Anna, TX
Opted out of Medicare from February 2016 to February 2028. Dentist, General Practice (D.D.S.) in Anna, Texas, licensed in TX, with an NPI issued in August 2008. Part D covered 26 prescriptions written in 2024, 100% of them generic.
Overview
| NPI | 1275781619 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.D.S. |
| Sole proprietor | Yes |
| NPI issued | Aug 27, 2008 |
| Last updated in NPPES | Mar 20, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, General Practice Primary | 1223G0001X | 24109 | TX |
| Dentist | 122300000X | 24109 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 Feb 4, 2016 – Feb 4, 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) | 26 · 26 30-day fills |
|---|---|
| Total drug cost | $113.73 |
| Generic share | 100% of claims |
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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