NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mariel Cremonie Fernandez, BCBA

Behavior Analyst in Dallas, TX · enumerated 2011.

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

National Provider Identifier

1528363421

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Registry record

Entity type Individual (Type 1)
Name Mariel Cremonie Fernandez
Credential BCBA
Sex Female
Practice address Dallas, TX, 75243
Phone (972) 644-2076
Fax (972) 644-5650
Enumeration date Jan 24, 2011
Last updated in NPPES May 27, 2015

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 1-04-2082 (TX) Primary

Other identifiers

Identifier Type State Issuer
1-04-2082 Other - BCBA
1-04-2082 Other TX MS, BCBA

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.

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Frequently asked questions

Is NPI 1528363421 active?
Yes, as of the latest NPPES snapshot, NPI 1528363421 is active (record last updated 2015-05-27).
How do I verify Mariel Fernandez's NPI record?
Cross-check NPI 1528363421 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 2015-05-27.