Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Nasser Hajaig, MD

Internal Medicine Physician in Phoenix, AZ · enumerated 2006.

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

National Provider Identifier

1457324204

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Registry record

Entity type Individual (Type 1)

Name Nasser Hajaig

Credential MD

Sex Male

Practice address 19646 N 27th Ave, Suite 1301, Phoenix, AZ, 85027

Phone (623) 580-5390

Fax (623) 580-5397

Enumeration date Feb 10, 2006

Last updated in NPPES Feb 3, 2022

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 25018 (AZ) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
21043	Other	AZ	MEDICAID PIN NUMBER
387044	Medicaid	AZ	-

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 Nasser Hajaig?

The National Provider Identifier (NPI) for Nasser Hajaig is 1457324204, a Type 1 (individual) record in the CMS NPPES registry.

Where does Nasser Hajaig practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-02-03.