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

Ms. Brenda Kay Mack, MFT

Q: What is the NPI number for Brenda Mack?

The National Provider Identifier (NPI) for Brenda Mack is 1447371075, a Type 1 (individual) record in the CMS NPPES registry.

Marriage & Family Therapist in Lemon Grove, CA · enumerated 2007.

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

National Provider Identifier

1447371075

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Registry record

Entity type Individual (Type 1)

Name Ms. Brenda Kay Mack

Credential MFT

Sex Female

Practice address Lemon Grove, CA, 91945

Phone (619) 546-8012

Fax (619) 546-8012

Enumeration date Apr 2, 2007

Last updated in NPPES Jul 8, 2007

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

Taxonomy & licenses

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License MFC40160 (CA) Primary

Other identifiers

Identifier	Type	State	Issuer
MFC40160	Other	CA	LICENSE

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

Where does Brenda Mack practice?

The practice location on file with NPPES is in Lemon Grove, CA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Brenda Mack?

The National Provider Identifier (NPI) for Brenda Mack is 1447371075, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.