Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Roy Sadler, D.C.

Chiropractor in Glendale, WI · enumerated 2013.

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

National Provider Identifier

1831534908

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Registry record

Entity type Individual (Type 1)

Name Roy Sadler

Credential D.C.

Sex Male

Practice address 5261 N Port Washington Rd, Glendale, WI, 53217

Phone (414) 332-6001

Enumeration date May 2, 2013

Last updated in NPPES Mar 22, 2016

Taxonomy & licenses

111N00000X Chiropractor Chiropractic Providers · License 4993-12 (WI) 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.

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Frequently asked questions

What specialty is Roy Sadler?

Roy Sadler is registered in NPPES with the primary taxonomy of Chiropractor. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-03-22.