NPPES file of Aug 9, 2026

Aaron Welk, DC

Chiropractor · O Fallon, MO

Aaron Welk, DC is a chiropractor with a practice address in O Fallon, Missouri, and NPI 1184932253, issued on Sep 22, 2010. Check the license (Missouri 2010003871, as entered in NPPES) with the Missouri 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
1184932253
Name
Aaron Welk
Credential
DC
Primary taxonomy
Chiropractor 111N00000X
License number
2010003871 MO
Self-reported in NPPES; status is on the state search
Practice location
2530 Highway K, O Fallon, MO 63368
Phone
(816) 868-7581
Enumerated
Sep 22, 2010
Record last updated
Jul 21, 2023
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 2530 Highway K

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

  1. Cassandra Cantu, DCChiropractor1154182004
  2. Steven Cowser, DCChiropractor1053103986
  3. Dylan Dix, DCChiropractor1134831969

Verify Aaron Welk in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this profession
    Search for license 2010003871
    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 Missouri 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.

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Aaron Welk among 2,537 chiropractor records in Missouri

Aaron Welk, DC is one of 2,537 chiropractor records with a practice address in Missouri. 19% 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 2010, is newer than 51% of them.

  • NPI issued2010 · 51% of these records are older, 46% newer
  • In a Medicare fileNo · 19% of these records are
  • In the CMS Doctors and Clinicians fileNo · 41% of these records are
  • Record last updated2023 · 68% 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

74 chiropractor records list a practice address in O Fallon

They are 74 of the 1,225 NPPES records with a practice address in O Fallon, and 2,537 chiropractor records in Missouri. 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. Marcy Bennett, D.C.O Fallon, MO 633681144368713
  2. Leslie Butler, D.C.O Fallon, MO 633681033101936
  3. Kristina Clay, D.C.O Fallon, MO 633681629034426
  4. Craig Conner, D.C.O Fallon, MO 633681720144124
  5. Matthew Cooper, D.CO Fallon, MO 633681750429338
  6. Thomas CulliganO Fallon, MO 633681457424624
  7. Heather Escobar, D.C.O Fallon, MO 633681922182401
  8. Joshua Fink, D.C., B.S.Dardenne Prairie, MO 633681396749875

Common questions

What is Aaron Welk, DC's NPI number?

Aaron Welk, DC's National Provider Identifier (NPI) is 1184932253, issued on Sep 22, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Aaron Welk, DC located?

The NPPES record lists a practice address at 2530 Highway K, O Fallon, MO, 63368. Phone: (816) 868-7581. Providers update this record themselves, so call before visiting.

How can I verify Aaron Welk, DC's license?

NPPES lists Missouri license number 2010003871, as entered by the provider. Search the Missouri 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.