Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ellen Wong, M.D.

Q: What is the NPI number for Ellen Wong?

The National Provider Identifier (NPI) for Ellen Wong is 1174509723, a Type 1 (individual) record in the CMS NPPES registry.

General Practice Physician in Calabasas, CA · enumerated 2005.

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

National Provider Identifier

1174509723

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Ellen Wong

Credential M.D.

Sex Female

Practice address 23622 Calabasas Rd, Ste 250, Calabasas, CA, 91302

Phone (818) 591-3435

Enumeration date Dec 15, 2005

Last updated in NPPES Jul 13, 2026

Taxonomy & licenses

208D00000X General Practice Physician Allopathic & Osteopathic Physicians · License G37201 (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 Ellen Wong practice?

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

What is the NPI number for Ellen Wong?

The National Provider Identifier (NPI) for Ellen Wong is 1174509723, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

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