Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Erna W. Wong, MD

Neonatal-Perinatal Medicine Physician in Anaheim, CA · enumerated 2006 · practices at Southern California Permanente Medical Group.

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

National Provider Identifier

1285701185

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Registry record

Entity type Individual (Type 1)

Name Erna W. Wong

Credential MD

Sex Female

Practice address 441 N Lakeview Ave, Anaheim, CA, 92807

Phone (888) 988-2800

Enumeration date Nov 29, 2006

Last updated in NPPES Sep 23, 2008

Taxonomy & licenses

2080N0001X Neonatal-Perinatal Medicine Physician Allopathic & Osteopathic Physicians · License G49296 (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

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.

What specialty is Erna Wong?

Erna Wong is registered in NPPES with the primary taxonomy of Neonatal-Perinatal Medicine Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-09-23.