Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Augusto Julian Castaneda, MD

Pediatrics Physician in Santa Barbara, CA · enumerated 2006.

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

National Provider Identifier

1023178936

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Registry record

Entity type Individual (Type 1)

Name Augusto Julian Castaneda

Credential MD

Sex Male

Practice address 601 E Arrellaga St, Suite 205, Santa Barbara, CA, 93103

Phone (805) 963-4959

Fax (805) 963-0332

Enumeration date Dec 11, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License A42748 (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
OOA427480	Other	CA	MEDICAL

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 Augusto Castaneda?

The National Provider Identifier (NPI) for Augusto Castaneda is 1023178936, a Type 1 (individual) record in the CMS NPPES registry.

Where does Augusto Castaneda practice?

The practice location on file with NPPES is in Santa Barbara, CA. 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 2007-07-08.