Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Joseph Peter Heffernan, D.C.

Chiropractor in Waukesha, WI · enumerated 2006.

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

National Provider Identifier

1801991922

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Registry record

Entity type Individual (Type 1)

Name Dr. Joseph Peter Heffernan

Credential D.C.

Sex Male

Practice address 1820 E Main St, Waukesha, WI, 53186

Phone (262) 549-4555

Fax (262) 549-9750

Enumeration date Sep 13, 2006

Last updated in NPPES Jul 28, 2010

Taxonomy & licenses

111N00000X Chiropractor Chiropractic Providers · License 1326 (WI) Primary

111NN1001X Nutrition Chiropractor Chiropractic Providers · License 1326 (WI) Secondary

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

Other identifiers

Identifier	Type	State	Issuer
391628775	Other	WI	TAX I. D. NUMBER

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

How do I verify Joseph Heffernan's NPI record?

Cross-check NPI 1801991922 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1801991922 active?

Yes, as of the latest NPPES snapshot, NPI 1801991922 is active (record last updated 2010-07-28).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-07-28.