Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mariegrace Mero, R.N.

Registered Nurse in Buena Park, CA · enumerated 2015.

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

National Provider Identifier

1215309109

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Registry record

Entity type Individual (Type 1)

Name Mariegrace Mero

Credential R.N.

Sex Female

Practice address 7212 Orangethorpe Ave Ste 9a, Buena Park, CA, 90621

Phone (714) 562-8729

Enumeration date Oct 30, 2015

Last updated in NPPES Oct 30, 2015

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 95051520 (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

Is NPI 1215309109 active?

Yes, as of the latest NPPES snapshot, NPI 1215309109 is active (record last updated 2015-10-30).

How do I verify Mariegrace Mero's NPI record?

Cross-check NPI 1215309109 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-10-30.