Douglas Mims Ferris Jr., D.M.D.
NPI 1306850391ActiveIndividual· Dentist, Endodontics· Madison, WI
Opted out of Medicare from March 2019 to March 2027. Dentist, Endodontics (D.M.D.) in Madison, Wisconsin, licensed in WI, with an NPI issued in July 2006. Part D covered 213 prescriptions written in 2024, 100% of them generic. Dentsply Sirona Inc reported $168.42 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1306850391 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.M.D. |
| Sole proprietor | No |
| NPI issued | Jul 28, 2006 |
| Last updated in NPPES | Jun 14, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, Endodontics Primary | 1223E0200X | 5797-015 | WI |
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 Mar 5, 2019 – Mar 5, 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) | 213 · 213 30-day fills |
|---|---|
| Patients | 151 |
| Total drug cost | $938.02 |
| Generic share | 100% of claims |
Industry payments (Open Payments)
- 2025$168.42 · 6 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dentsply Sirona Inc | $168.42 | 6 |
What the 2025 payments were for
- Food and Beverage$168.42 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 endodontists in Madison · All endodontists in Wisconsin