Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
David Leonard, DC
Chiropractor in Ellisville, MO · enumerated 2017.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1598283897
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Registry record
Entity type Individual (Type 1)
Name David Leonard
Credential DC
Sex Male
Practice address 249 Clarkson Rd Ste 101, Ellisville, MO, 63011
Phone (636) 256-0707
Fax (636) 394-3969
Enumeration date Sep 7, 2017
Last updated in NPPES Oct 11, 2023
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 2017031986 | Other | MO | LICENSE |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does David Leonard practice?
The practice location on file with NPPES is in Ellisville, MO. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for David Leonard?
The National Provider Identifier (NPI) for David Leonard is 1598283897, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-10-11.