Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Andrew Joseph Sassack III, M.D.

Allergy & Immunology Physician in Oro Valley, AZ · enumerated 2006.

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

National Provider Identifier

1063476042

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Registry record

Entity type Individual (Type 1)

Name Dr. Andrew Joseph Sassack III

Credential M.D.

Sex Male

Practice address 1521 E Tangerine Rd, Suite 311, Oro Valley, AZ, 85755

Phone (520) 326-1266

Fax (520) 326-2575

Enumeration date Apr 14, 2006

Last updated in NPPES Nov 16, 2015

Taxonomy & licenses

207K00000X Allergy & Immunology Physician Allopathic & Osteopathic Physicians · License 49772 (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
Z173338	Other	AZ	MEDICARE PTAN

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 Andrew Sassack?

The National Provider Identifier (NPI) for Andrew Sassack is 1063476042, a Type 1 (individual) record in the CMS NPPES registry.

Where does Andrew Sassack practice?

The practice location on file with NPPES is in Oro Valley, 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 2015-11-16.