Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Aaron Spitz, M.D.

Urology Physician in Laguna Hills, CA · enumerated 2006 · practices at Orange County Urology Associates, Inc. A Medical Group.

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

National Provider Identifier

1164487674

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Registry record

Entity type Individual (Type 1)

Name Dr. Aaron Spitz

Credential M.D.

Sex Male

Practice address 23961 Calle De La Magdalena Ste 500, Laguna Hills, CA, 92653

Phone (949) 855-1101

Fax (949) 289-9171

Enumeration date Apr 18, 2006

Last updated in NPPES Oct 22, 2025

Taxonomy & licenses

174400000X Specialist Other Service Providers · License G79034 (CA) Secondary

208800000X Urology Physician Allopathic & Osteopathic Physicians · License G79034 (CA) 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
800209357	Medicaid	CA	-
WG79034B	Other	CA	MEDICARE

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 specialty is Aaron Spitz?

Aaron Spitz is registered in NPPES with the primary taxonomy of Urology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-10-22.