NPPES file of Aug 9, 2026

Thomas Cameron O'Hollearn, DC

Chiropractor · Littleton, CO

Thomas Cameron O'Hollearn, DC is a chiropractor with a practice address in Littleton, Colorado, and NPI 1033207923, issued on Oct 10, 2006. Check the license (Colorado 4005, as entered in NPPES) with the Colorado board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1033207923
Name
Thomas Cameron O'Hollearn
Credential
DC
Primary taxonomy
Chiropractor 111N00000X
License number
4005 CO
Self-reported in NPPES; status is on the state search
Practice location
5066 S Wadsworth Way, Littleton, CO 80123
Phone
(303) 972-0800
Enumerated
Oct 10, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(303) 972-4132
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.
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Also registered at 5066 S Wadsworth Way

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

  1. Cynthia MacallisterMassage Therapist1902202294
  2. Kevin Portenier, DCChiropractor1932297819

Verify Thomas Cameron O'Hollearn 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 4005
    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

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Thomas Cameron O'Hollearn among 2,349 chiropractor records in Colorado

Thomas Cameron O'Hollearn, DC is one of 2,349 chiropractor records with a practice address in Colorado. 12% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 74% newer
  • In a Medicare fileNo · 12% of these records are
  • In the CMS Doctors and Clinicians fileNo · 28% of these records are
  • Record last updated2007 · 75% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

88 chiropractor records list a practice address in Littleton

They are 88 of the 3,918 NPPES records with a practice address in Littleton, and 2,349 chiropractor records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 chiropractor records with the nearest ZIP codes

  1. Christine Bender, DC DABCOLittleton, CO 801231992712681
  2. Chad Cotter, D.C.Littleton, CO 801231841412160
  3. Michael Dody, D.C.Littleton, CO 801231871643205
  4. Eric Durtschi, DCLittleton, CO 801231689696676
  5. Robert Gavito, D.C.Littleton, CO 801231124148796
  6. Jason Leavitt, D.CLittleton, CO 801231235202847
  7. Michael Mickeletto, D.C.Littleton, CO 801231992920656
  8. Hongnhung Pham, D.C.Littleton, CO 801231619138559

Common questions

What is Thomas Cameron O'Hollearn, DC's NPI number?

Thomas Cameron O'Hollearn, DC's National Provider Identifier (NPI) is 1033207923, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Cameron O'Hollearn, DC located?

The NPPES record lists a practice address at 5066 S Wadsworth Way, Littleton, CO, 80123. Phone: (303) 972-0800. Providers update this record themselves, so call before visiting.

How can I verify Thomas Cameron O'Hollearn, DC's license?

NPPES lists Colorado license number 4005, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

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.