NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. William Roesler, D.C.

Chiropractor in Arvada, CO · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1154358414

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. William Roesler
Credential D.C.
Sex Male
Practice address Arvada, CO, 80002
Phone (303) 420-4270
Fax (303) 420-3490
Enumeration date Jun 26, 2006
Last updated in NPPES Nov 19, 2010

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

Taxonomy & licenses

111N00000X Chiropractor Chiropractic Providers · License DC008714 (PA) Secondary
111N00000X Chiropractor Chiropractic Providers · License 467 (AK) Secondary
111N00000X Chiropractor Chiropractic Providers · License 6541 (CO) Primary
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders. About the DC credential

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 → Validate an NPI →

Frequently asked questions

What is the NPI number for William Roesler?
The National Provider Identifier (NPI) for William Roesler is 1154358414, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Roesler practice?
The practice location on file with NPPES is in Arvada, CO. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-11-19.