Individual Healthcare Provider
Jon R Willison, DDS
Provider's NPPES record last updated: December 11, 2019
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1013293760
- Primary Specialty
- Dentist — Endodontics
- Practice Location
- Fort Collins, Colorado
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 18, 2026, 4:22 PM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Dentist
Endodontics
Dental Providers
The branch of dentistry that is concerned with the morphology, physiology and pathology of the human dental pulp and periradicular tissues. Its study and practice encompass the basic and clinical sciences including biology of the normal pulp, the etiology, diagnosis, prevention and treatment of diseases and injuries of the pulp and associated periradicular conditions.
Taxonomy code 1223E0200X Student in an Organized Health Care Education/Training Program
Student, Health Care
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Taxonomy code 390200000X
Provider-Reported License Information
- Dentist (Colorado)
- 00203801
- Student in an Organized Health Care Education/Training Program (Colorado)
- DEN.00203801
- Dentist (Wyoming)
- 1517
- Student in an Organized Health Care Education/Training Program (Missouri)
- 2013042229
Practice Locations
Practice Location
1903 Wilmington Dr Unit 101
Fort Collins, Colorado 80528-6100
Phone: (970) 568-5255
Additional Practice Location
2996 Ginnala Dr Ste 101
Loveland, Colorado 80538-2832
Phone: (970) 292-6703
Additional Practice Location
1950 Bluegrass Cir Ste 120
Cheyenne, Wyoming 82009-7363
Phone: (307) 222-6665
Record Information
- Enumeration Date
- October 26, 2011
- Provider's NPPES Record Last Updated
- December 11, 2019
- Certification Date
- December 11, 2019
- NPISignal NPPES Dataset
- August 2026
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