Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. David S. Aaronson, MD

Urology Physician in Oakland, CA · enumerated 2007.

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

National Provider Identifier

1215053129

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Registry record

Entity type Individual (Type 1)

Name Dr. David S. Aaronson

Credential MD

Sex Male

Practice address 275 W Macarthur Blvd, Oakland, CA, 94611

Phone (510) 752-1000

Fax (415) 353-2641

Enumeration date Mar 22, 2007

Last updated in NPPES Dec 15, 2021

Taxonomy & licenses

208800000X Urology Physician Allopathic & Osteopathic Physicians · License A95196 (CA) Primary

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

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 David Aaronson practice?

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

What is the NPI number for David Aaronson?

The National Provider Identifier (NPI) for David Aaronson is 1215053129, 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 2021-12-15.