NPPES file of Aug 9, 2026

Jon R. Willison, DDS

Endodontics · Fort Collins, CO

Jon R. Willison, DDS is an endodontics with a practice address in Fort Collins, Colorado, and NPI 1013293760, issued on Oct 26, 2011. Check the license (Colorado 00203801, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013293760
Name
Jon R. Willison
Credential
DDS
Primary taxonomy
Endodontics 1223E0200X
License numbers
00203801 CO
DEN.00203801 CO
2013042229 MO
1517 WY
Self-reported in NPPES; status is on the state search
Practice location
1903 Wilmington Dr Unit 101, Fort Collins, CO 80528
Phone
(970) 568-5255
Enumerated
Oct 26, 2011
Record last updated
Dec 11, 2019 (not updated in 7 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest endodontics records → All 140 in Colorado → Look up another NPI →

Also registered at 1903 Wilmington Dr Unit 101

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Brandon Griffin, DDSEndodontics1801139324
  2. Tyler Whiting, DDSEndodontics1124400890

Verify Jon R. Willison in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Colorado board licenses this profession
    Search for license 00203801    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Colorado license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

78% more Medicare Part D claims than the average endodontics in 2024

215 Medicare Part D claims for 87 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. 33 claims were for opioids.

  1. Jon Willison215
  2. Specialty average121

Most prescribed

  1. Amoxicillin45 claims
  2. Chlorhexidine Gluconate36 claims
  3. Hydrocodone-Acetaminophen31 claims
  4. Azithromycin19 claims
  5. Dexamethasone19 claims
  6. Ibuprofen17 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Jon R. Willison among 140 endodontics records in Colorado

Jon R. Willison, DDS is one of 140 endodontics records with a practice address in Colorado. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 74% of them.

  • NPI issued2011 · 74% of these records are older, 24% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2019 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endodontics providers in Colorado

There are 140 endodontics records in Colorado.

All 140 in Colorado → Every provider in Fort Collins → Endodontics nationwide →

The 8 endodontics records with the nearest ZIP codes

  1. Brandon Griffin, DDSFort Collins, CO 805281801139324
  2. Tyler Whiting, DDSFort Collins, CO 805281124400890
  3. Shane Bergo, D.D.S., M.S.D.Fort Collins, CO 805251023137122
  4. Anthony Girardi, D.D.S.Fort Collins, CO 805251164610408
  5. Bradley Levalley, D.D.S., M.S.Fort Collins, CO 805251134248230
  6. Jason Maines, D.D.S.,M.S.Fort Collins, CO 805251265620561
  7. Mark Kochevar, D.M.D.Fort Collins, CO 805241306844600
  8. Kyle Lantz, DDSLoveland, CO 805371417443276

Common questions

What is Jon R. Willison, DDS's NPI number?

Jon R. Willison, DDS's National Provider Identifier (NPI) is 1013293760, issued on Oct 26, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Jon R. Willison, DDS located?

The NPPES record lists a practice address at 1903 Wilmington Dr Unit 101, Fort Collins, CO, 80528. Phone: (970) 568-5255. Providers update this record themselves, so call before visiting.

How can I verify Jon R. Willison, DDS's license?

NPPES lists Colorado license number 00203801, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

How much does Jon R. Willison, DDS prescribe under Medicare Part D?

In 2024, Jon R. Willison, DDS had 215 Medicare Part D claims for 87 beneficiaries; the average among endodontics prescribers was 121. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.