John P. Diponziano, DDS
NPI 1770569600ActiveIndividual· Dentist· San Leandro, CA
Dentist (DDS) in San Leandro, California, licensed in CA, with an NPI issued in December 2005. Hiossen, Inc. reported $36,608 in payments in 2025, mostly honoraria.
Overview
| NPI | 1770569600 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DDS |
| Sole proprietor | Yes |
| NPI issued | Dec 22, 2005 |
| Last updated in NPPES | Apr 18, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist Primary | 122300000X | 55315 | 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 |
|---|
Industry payments (Open Payments)
- 2025$36,608 · 1 payment from 1 company
- 2024$120,817 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Hiossen, Inc. | $36,608 | 1 |
What the 2025 payments were for
- Honoraria$36,608 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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