Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Allison Yun Hee Soong Antalek, MSN, MPH, CPNP-PC

Pediatric Nurse Practitioner in Palo Alto, CA · enumerated 2022.

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

National Provider Identifier

1366180416

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Registry record

Entity type Individual (Type 1)

Name Allison Yun Hee Soong Antalek

Credential MSN, MPH, CPNP-PC

Sex Female

Practice address 730 Welch Rd, Palo Alto, CA, 94304

Phone (650) 723-0993

Fax (650) 721-6350

Enumeration date May 26, 2022

Last updated in NPPES Feb 5, 2025

Taxonomy & licenses

363LP0200X Pediatric Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 95021041 (CA) Primary

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 specialty is Allison Antalek?

Allison Antalek is registered in NPPES with the primary taxonomy of Pediatric Nurse Practitioner. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-02-05.