Mason Connolly, D.C.
Chiropractor · O Fallon, IL
Mason Connolly, D.C. is a chiropractor with a practice address in O Fallon, Illinois, and NPI 1336154210, issued on Jul 29, 2006. Check the license with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mason Connolly
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- Practice location
- 138C Eagle Dr, O Fallon, IL 62269
- Phone
- (618) 622-1793
- Enumerated
- Jul 29, 2006
- Entity
- Type 1 · individual
Verify Mason Connolly in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
36 chiropractor records list a O Fallon practice address
They are 36 of the 1,077 NPPES records with a O Fallon practice address, and 4,517 chiropractor records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 36 in O Fallon → All 4,517 in Illinois → Every provider in O Fallon →
Other chiropractor records in Illinois
- Jill Aardema, D.C.Oak Park, IL1063508497
- Robert Aarestad, DC, B.S., MMPPlainfield, IL1871939165
- Michael Abbett, DCGranite City, IL1144741703
- Wala Abu-Mallouh, DCRomeoville, IL1902327232
- Rashid Abu-Shanab, D.C.Bridgeview, IL1033298591
- Azza Abugisisa, D.C.Bridgeview, IL1164618468
- Kristen Accardo, D.C.Oswego, IL1215087598
- Allison Adair, DCAurora, IL1861954364
- Brent Adams, DCBradley, IL1992854251
- Erianne Adams, DCChicago, IL1295497915
Common questions
What is Mason Connolly, D.C.'s NPI number?
Mason Connolly, D.C.'s National Provider Identifier (NPI) is 1336154210, issued on Jul 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mason Connolly, D.C. located?
The NPPES record lists a practice address at 138C Eagle Dr, O Fallon, IL, 62269. Phone: (618) 622-1793. Providers update this record themselves, so call before visiting.
How can I verify Mason Connolly, D.C.'s license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.