John Christopher Fat, D.D.S., M.S.
NPI 1619098480ActiveIndividual· Dentist, Endodontics· Sacramento, CA
Dentist, Endodontics (D.D.S., M.S.) in Sacramento, California, licensed in CA, with an NPI issued in April 2007. Part D covered 32 prescriptions written in 2024, 88% of them generic. Sonendo Inc was the largest of 2 companies reporting payments in 2025, $232.15 in all, mostly food and beverage.
Overview
| NPI | 1619098480 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.D.S., M.S. |
| Sole proprietor | No |
| NPI issued | Apr 2, 2007 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, Endodontics Primary | 1223E0200X | 153371 | 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 |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 32 · 32 30-day fills |
|---|---|
| Patients | 29 |
| Total drug cost | $257.28 |
| Generic share | 88% of claims |
Industry payments (Open Payments)
- 2025$232.15 · 9 payments from 2 companies
- 2024$133.30 · 8 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sonendo Inc | $218.64 | 8 |
| Dentsply Sirona Inc | $13.51 | 1 |
What the 2025 payments were for
- Food and Beverage$232.15 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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