Jon R. Willison, DDS
NPI 1013293760ActiveIndividual· Dentist, Endodontics· Fort Collins, CO
Opted out of Medicare from January 2016 to January 2028. Dentist, Endodontics (DDS) in Fort Collins, Colorado, licensed in CO, WY and MO, with an NPI issued in October 2011. Part D covered 215 prescriptions written in 2024, 99% of them generic.
Overview
| NPI | 1013293760 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DDS |
| Sole proprietor | No |
| NPI issued | Oct 26, 2011 |
| Last updated in NPPES | Dec 11, 2019 |
| Certified by provider | Dec 11, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, Endodontics Primary | 1223E0200X | 00203801 | CO |
| Student in an Organized Health Care Education/Training Program | 390200000X | DEN.00203801 | CO |
| Dentist, Endodontics | 1223E0200X | 1517 | WY |
| Student in an Organized Health Care Education/Training Program | 390200000X | 2013042229 | MO |
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 Jan 23, 2016 – Jan 23, 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) | 215 · 215 30-day fills |
|---|---|
| Patients | 87 |
| Total drug cost | $996.04 |
| Generic share | 99% 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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All 15 endodontists in Fort Collins · All endodontists in Colorado