Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. William David Stanley, MD

Addiction Medicine (Internal Medicine) Physician in Malibu, CA · enumerated 2006.

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

National Provider Identifier

1730128513

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Registry record

Entity type Individual (Type 1)

Name Dr. William David Stanley

Credential MD

Sex Male

Practice address 23661 Pacific Coast Hwy # B, Malibu, CA, 90265

Phone (310) 341-0188

Fax (818) 668-3604

Enumeration date Jun 6, 2006

Last updated in NPPES Jun 28, 2019

Taxonomy & licenses

207RA0401X Addiction Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License C153751 (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 William Stanley practice?

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

What is the NPI number for William Stanley?

The National Provider Identifier (NPI) for William Stanley is 1730128513, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-06-28.