NPI Portal NPI Lookup & Verification

Dr. John Cary Slizeski, DC

Dr. John Cary Slizeski is a Chiropractor provider (Chiropractor) practicing in Arvada, CO, registered in the NPPES registry with NPI 1063636348 since 2007. The credential DC stands for Doctor of Chiropractic.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1063636348
Entity type Individual (Type 1)
Name Dr. John Cary Slizeski
Credential DC
Sex Male
Practice address Arvada, CO, 80002
Phone 3034235000
Fax 3034231062
Enumeration date 2007-04-11
Last updated in NPPES 2007-07-08

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code Specialty Primary License State
111N00000X Chiropractor Primary 1466 CO

DC — Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders. About the DC credential

Copy-ready billing details
Provider: John Slizeski, DC
NPI: 1063636348
Taxonomy: 111N00000X (Chiropractor)
Address: Arvada, CO, 80002

Verify this record

Cross-check NPI 1063636348 against the authoritative CMS record: view Dr. John Cary Slizeski on the official NPPES registry .

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. Read the full guide or validate an NPI number.

Frequently asked questions

What is the NPI number for John Slizeski?
The National Provider Identifier (NPI) for John Slizeski is 1063636348, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Slizeski practice?
The practice location on file with NPPES is in Arvada, CO. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-10. Provider record last updated 2007-07-08.