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

HENRY ALVAN MENTZ IV
NPI 1427967876
Counselor - Mental Health in Houston, TX

Active since September 02, 2026
810 W 21ST ST, HOUSTON, TX 77008(281) 660-1351 Get Directions Write a Review

NPPES record added: September 2, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Henry Alvan Mentz Iv NPPES

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

HENRY ALVAN MENTZ IV (NPI 1427967876) is an individual mental health provider in Houston, Texas, licensed in Texas (103403) and active in the NPI registry since September 2026. He maintains a secondary practice location in Bellaire.

NPPES Registry Identity

NPI1427967876
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameHENRY ALVAN MENTZ IV
Location Address810 W 21ST STHouston, TX 77008-3514
Mailing Address4321 Ione StBellaire, TX 77401-4601 · (832) 978-1413
Phone(281) 660-1351
Sole ProprietorNo
Enumeration DateSeptember 2, 2026
NPPES CertifiedSeptember 2, 2026
✔ NPI 1427967876 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in TX · 103403
810 W 21ST ST, Houston, TX 77008
Open in Google Maps ↗

Secondary Practice Location 1

Location 14321 Ione StBellaire, TX 77401-4601 · Phone (832) 978-1413

Other Providers at the Same Location NPPES 5

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

MS. ALEJANDRA N/A CERVANTES LMFT-A
Marriage & Family Therapist
810 W 21ST ST
HOUSTON, TX 77008
Harris County (956) 225-7076
KATERINA VENGOECHEA LMFT-A
Counselor (Mental Health)
810 W 21ST ST
HOUSTON, TX 77008
Harris County (832) 605-0045
KRISTEEN RESTREPO
Counselor (Mental Health)
810 W 21ST ST
HOUSTON, TX 77008
Harris County (832) 497-9667
CORTNEE REID WHITE LPC-ASSOCIATE
Counselor (Mental Health)
810 W 21ST ST
HOUSTON, TX 77008
Harris County (281) 660-1351
STEPHANIE LONGTAIN LCSW
Social Worker (Clinical)
810 W 21ST ST
HOUSTON, TX 77008
Harris County (210) 288-3699

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 Henry Mentz's NPI number?

The NPI number for Henry Mentz is 1427967876. It was assigned to this individual provider in the NPPES registry on September 2, 2026.

Where is Henry Mentz located?

Henry Mentz practices at 810 W 21st St, Houston, TX 77008. The listed phone number is (281) 660-1351.

What is Henry Mentz'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 Henry Mentz was last updated on September 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.