Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John J Giardina, MD

Interventional Cardiology Physician in Prescott, AZ · enumerated 2006 · practices at Yavapai Regional Medical Center Physician Care LLC.

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

National Provider Identifier

1821063645

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Registry record

Entity type Individual (Type 1)

Name John J Giardina

Credential MD

Sex Male

Practice address 1001 Willow Creek Rd Ste 2200, Prescott, AZ, 86301

Phone (928) 445-6025

Fax (928) 778-3026

Enumeration date Feb 23, 2006

Last updated in NPPES Feb 17, 2025

Taxonomy & licenses

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License 036067906 (IL) Secondary

207RI0011X Interventional Cardiology Physician Allopathic & Osteopathic Physicians · License 036067906 (IL) Secondary

207RI0011X Interventional Cardiology Physician Allopathic & Osteopathic Physicians · License 46015 (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
46015	Other	AZ	AZ LICENSE
036067906	Medicaid	IL	-

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 John Giardina practice?

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

What is the NPI number for John Giardina?

The National Provider Identifier (NPI) for John Giardina is 1821063645, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-02-17.