Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Brent S Hartzell, OD

Optometrist in Phoenix, AZ · enumerated 2006.

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

National Provider Identifier

1942302906

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Registry record

Entity type Individual (Type 1)

Name Dr. Brent S Hartzell

Credential OD

Sex Male

Practice address 4800 N 22nd St, Phoenix, AZ, 85016

Phone (602) 955-1000

Fax (602) 508-4830

Enumeration date Sep 1, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 1330 (AZ) Primary

OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

Other identifiers

Identifier	Type	State	Issuer
1330	Other	AZ	MEDICAL 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

What is the NPI number for Brent Hartzell?

The National Provider Identifier (NPI) for Brent Hartzell is 1942302906, a Type 1 (individual) record in the CMS NPPES registry.

Where does Brent Hartzell practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.