Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dierdre Denise Fisher, RN, APRN, BC, CNSPMH

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

1235168816

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Registry record

Entity type Individual (Type 1)

Name Dierdre Denise Fisher

Credential RN, APRN, BC, CNSPMH

Sex Female

Practice address 616 W Russell Pl, San Antonio, TX, 78212

Phone (800) 257-8715

Fax (800) 819-1655

Enumeration date Jul 3, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

364SP0808X Psychiatric/Mental Health Clinical Nurse Specialist Physician Assistants & Advanced Practice Nursing Providers · License 627372 (TX) Primary

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

Other identifiers

Identifier	Type	State	Issuer
89N424	Other	TX	BLUE CROSS BLUE SHIELD
P00108424	Other	TX	RAILROAD
148814002	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.

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Frequently asked questions

What is the NPI number for Dierdre Fisher?

The National Provider Identifier (NPI) for Dierdre Fisher is 1235168816, a Type 1 (individual) record in the CMS NPPES registry.

Where does Dierdre Fisher 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 2007-07-08.