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

Karen Gail Brenz, APRN, CNS-P/MH,CHTP

Q: What is the NPI number for Karen Brenz?

The National Provider Identifier (NPI) for Karen Brenz is 1285739102, a Type 1 (individual) record in the CMS NPPES registry.

Adult Psychiatric/Mental Health Clinical Nurse Specialist in San Antonio, TX · enumerated 2006.

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

National Provider Identifier

1285739102

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Registry record

Entity type Individual (Type 1)

Name Karen Gail Brenz

Credential APRN, CNS-P/MH,CHTP

Sex Female

Practice address San Antonio, TX, 78240

Phone (210) 575-0508

Fax (210) 575-0327

Enumeration date Sep 14, 2006

Last updated in NPPES Jul 3, 2018

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

Taxonomy & licenses

364SP0809X Adult Psychiatric/Mental Health Clinical Nurse Specialist Physician Assistants & Advanced Practice Nursing Providers · License 558068 (TX) Primary

APRN · Advanced Practice Registered Nurse: An umbrella credential covering NPs, CRNAs, CNMs, and clinical nurse specialists. About the APRN credential

Other identifiers

Identifier	Type	State	Issuer
NPN000834	Medicaid	TX	-

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 is the NPI number for Karen Brenz?

The National Provider Identifier (NPI) for Karen Brenz is 1285739102, a Type 1 (individual) record in the CMS NPPES registry.

Where does Karen Brenz practice?

The practice location on file with NPPES is in San Antonio, TX. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-07-03.