John A. Chamberlain III, DMD
NPI 1588910996ActiveIndividual· Dentist, Prosthodontics· Bethesda, MD
Dentist, Prosthodontics (DMD) in Bethesda, Maryland, licensed in KY, with an NPI issued in August 2012. Part D covered 99 prescriptions written in 2024, 94% of them generic. Zest Holdings, LLC reported $41.39 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1588910996 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DMD |
| Sole proprietor | No |
| NPI issued | Aug 3, 2012 |
| Last updated in NPPES | Aug 3, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, Prosthodontics Primary | 1223P0700X | 9184 | KY |
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) | 99 · 108 30-day fills |
|---|---|
| Patients | 50 |
| Total drug cost | $1,261 |
| Generic share | 94% of claims |
Industry payments (Open Payments)
- 2025$41.39 · 1 payment from 1 company
- 2024$1,324 · 14 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zest Holdings, LLC | $41.39 | 1 |
What the 2025 payments were for
- Food and Beverage$41.39 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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