NPPES file of Aug 9, 2026

David Leonard, DC

Chiropractor · Ellisville, MO

David Leonard, DC is a chiropractor with a practice address in Ellisville, Missouri, and NPI 1598283897, issued on Sep 7, 2017. Check the license (Missouri 2017031986, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1598283897
Name
David Leonard
Credential
DC
Primary taxonomy
Chiropractor 111N00000X
License number
2017031986 MO
Self-reported in NPPES; status is on the state search
Practice location
249 Clarkson RD Ste 101, Ellisville, MO 63011
Phone
(636) 256-0707
Enumerated
Sep 7, 2017
Record last updated
Oct 11, 2023
Fax
(636) 394-3969
Medicare enrollment
Enrolled (PECOS I20170928000064); accepts Medicare assignment
Medical or professional school
Logan College Of Chiropractic, 2017
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 249 Clarkson RD Ste 101

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

  1. Austin Erker, DCChiropractor1841716206
  2. Dustin Hargadine, DCChiropractor1649614454
  3. Patrick Rich, PT, DPT, SFMAPhysical Therapist1811329709

Verify David Leonard 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 2017031986
    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.

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

Bills Medicare through one group practice

  1. John C Smith JR IncEllisville, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

David Leonard among 2,537 chiropractor records in Missouri

David Leonard, 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. Its NPI, issued in 2017, is newer than 70% of them.

  • NPI issued2017 · 70% of these records are older, 27% newer
  • In a Medicare fileYes · 19% of these records are
  • In the CMS Doctors and Clinicians fileYes · 41% of these records are
  • Graduated2017 · median 2009 among the 1,039 with a school on file
  • 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).

19 chiropractor records list a practice address in Ellisville

They are 19 of the 288 NPPES records with a practice address in Ellisville, and 2,537 chiropractor records in Missouri.

The 8 chiropractor records with the nearest ZIP codes

  1. Alan Banaszynski, DCBallwin, MO 630111598816035
  2. Kevin Baum, D.C.Ballwin, MO 630111669546586
  3. Joel Brassie, D.C.Ballwin, MO 630111912071838
  4. Laurie Burke, D.C.Ellisville, MO 630111477667780
  5. Rene Gassner, D.C.Ballwin, MO 630111720063415
  6. Roy Hillgartner, D.C.Ballwin, MO 630111386709467
  7. Jennifer Kane, D.C.Ellisville, MO 630111477595221
  8. Esther Leni Kraai, DC,RNBallwin, MO 630111265467278

Common questions

What is David Leonard, DC's NPI number?

David Leonard, DC's National Provider Identifier (NPI) is 1598283897, issued on Sep 7, 2017. An NPI identifies a provider in billing; it is not a license.

Where is David Leonard, DC located?

The NPPES record lists a practice address at 249 Clarkson RD Ste 101, Ellisville, MO, 63011. Phone: (636) 256-0707. Providers update this record themselves, so call before visiting.

How can I verify David Leonard, DC's license?

NPPES lists Missouri license number 2017031986, 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. Medicare files from data.cms.gov. 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.