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

Ernest Constantine Esteban

Acupuncturist in Tempe, AZ · enumerated 2020.

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

National Provider Identifier

1366038465

Verified

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Registry record

Entity type Individual (Type 1)

Name Ernest Constantine Esteban

Sex Male

Practice address Tempe, AZ, 85283

Phone (480) 466-7473

Enumeration date Dec 14, 2020

Last updated in NPPES Dec 14, 2020

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

Taxonomy & licenses

171100000X Acupuncturist Other Service Providers · License 000134 (AZ) Primary

Other identifiers

Identifier	Type	State	Issuer
000134	Other	AZ	ACUPUNCTURE 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Ernest Esteban practice?

The practice location on file with NPPES is in Tempe, AZ. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Ernest Esteban?

The National Provider Identifier (NPI) for Ernest Esteban is 1366038465, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-12-14.