NPPES file of Aug 9, 2026

John A. Dennehy, DC PC

Chiropractor · Hannibal, MO

John A. Dennehy, DC PC is a chiropractor with a practice address in Hannibal, Missouri, and NPI 1740390871, issued on Aug 30, 2006. Check the license (Missouri 005141, 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
1740390871
Name
John A. Dennehy
Credential
DC PC
Primary taxonomy
Chiropractor 111N00000X
License number
005141 MO
Self-reported in NPPES; status is on the state search
Practice location
15 Northport Plz, Hannibal, MO 63401
Phone
(573) 221-2001
Enumerated
Aug 30, 2006
Record last updated
Oct 19, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(573) 221-3316
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 15 Northport Plz

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

  1. Jennifer Hazlak Montross, DCChiropractor1023622925

Verify John A. Dennehy 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 005141
    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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John A. Dennehy among 2,537 chiropractor records in Missouri

John A. Dennehy, DC PC 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 71% newer
  • In a Medicare fileNo · 19% of these records are
  • In the CMS Doctors and Clinicians fileNo · 41% of these records are
  • Record last updated2010 · 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).

10 chiropractor records list a practice address in Hannibal

They are 10 of the 569 NPPES records with a practice address in Hannibal, 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. Larry Anderson, D.C.Hannibal, MO 634011124156880
  2. Jennifer Hazlak Montross, DCHannibal, MO 634011023622925
  3. Matthew Klemm, D.C.Hannibal, MO 634011316231749
  4. Michael Murphy, D.C.Hannibal, MO 634011609955780
  5. James Robertson, D.C.Hannibal, MO 634011891898359
  6. Stephen Sankpill, D.C.Hannibal, MO 634011306843487
  7. Brent Smola, DCHannibal, MO 634011033223508
  8. Matthew Sorell, D.CHannibal, MO 634011659488260

Common questions

What is John A. Dennehy, DC PC's NPI number?

John A. Dennehy, DC PC's National Provider Identifier (NPI) is 1740390871, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John A. Dennehy, DC PC located?

The NPPES record lists a practice address at 15 Northport Plz, Hannibal, MO, 63401. Phone: (573) 221-2001. Providers update this record themselves, so call before visiting.

How can I verify John A. Dennehy, DC PC's license?

NPPES lists Missouri license number 005141, 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.