Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Christina Nguyen Liu, RN, CNM, WHNP

Advanced Practice Midwife in Oceanside, CA · enumerated 2016.

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

National Provider Identifier

1023551256

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Registry record

Entity type Individual (Type 1)

Name Christina Nguyen Liu

Credential RN, CNM, WHNP

Sex Female

Practice address 3998 Vista Way, Oceanside, CA, 92056

Phone (760) 901-5200

Enumeration date Nov 19, 2016

Last updated in NPPES Jan 3, 2022

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 95038936 (CA) Secondary

363LW0102X Women's Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 95005498 (CA) Secondary

367A00000X Advanced Practice Midwife Physician Assistants & Advanced Practice Nursing Providers · License 235838 (CA) Primary

RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN 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

How do I verify Christina Liu's NPI record?

Cross-check NPI 1023551256 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1023551256 active?

Yes, as of the latest NPPES snapshot, NPI 1023551256 is active (record last updated 2022-01-03).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-01-03.