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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

DEREK BRENNAN
NPI 1891601621
Counselor - Mental Health in Plano, TX

Active since August 21, 2026
5512 W PLANO PKWY STE 300, PLANO, TX 75093(972) 905-0264 Get Directions Write a Review

NPPES record added: August 21, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Derek Brennan NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DEREK BRENNAN (NPI 1891601621) is an individual mental health provider in Plano, Texas and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1891601621
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameDEREK BRENNAN
Location Address5512 W PLANO PKWY STE 300Plano, TX 75093-4840
Mailing Address5512 W Plano Pkwy Ste 300Plano, TX 75093-4840 · (972) 905-0264
Phone(972) 905-0264
Sole ProprietorYes
Enumeration DateAugust 21, 2026
NPPES CertifiedAugust 21, 2026
✔ NPI 1891601621 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
5512 W PLANO PKWY STE 300, Plano, TX 75093
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Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KRISTINA DINGUS KEUHLEN PHD
Marriage & Family Therapist
5512 W PLANO PKWY STE 300
PLANO, TX 75093
Collin County (972) 841-9171
ERICA CARPENTER PHD, LMFT-S
Counselor (Mental Health)
5512 W PLANO PKWY STE 300
PLANO, TX 75093
Collin County (832) 524-2898
NORTH TEXAS FAMILY THERAPY, PLLC
Counselor (Professional)
5512 W PLANO PKWY STE 300
PLANO, TX 75093
Collin County (972) 841-9171
BIANCA JAVERY LMFT-A
Marriage & Family Therapist
5512 W PLANO PKWY STE 300
PLANO, TX 75093
Collin County (214) 938-5209
AMBER JOHNSON
Marriage & Family Therapist
5512 W PLANO PKWY STE 300
PLANO, TX 75093
Collin County (469) 892-8250
BRITTANY WIERMAN LPC
Counselor
5512 W PLANO PKWY STE 300
PLANO, TX 75093
Collin County (214) 997-3726
TOVA RUDERMAN MS, LPC-ASSOCIATE
Counselor (Mental Health)
5512 W PLANO PKWY STE 300
PLANO, TX 75093
Collin County (469) 626-9033

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Derek Brennan's NPI number?

The NPI number for Derek Brennan is 1891601621. It was assigned to this individual provider in the NPPES registry on August 21, 2026.

Where is Derek Brennan located?

Derek Brennan practices at 5512 W Plano Pkwy Ste 300, Plano, TX 75093. The listed phone number is (972) 905-0264.

What is Derek Brennan's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Derek Brennan was last updated on August 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.