LOIS A MCCALLISTER LPC LCDC
NPI 1558476945
Counselor - Addiction (Substance Use Disorder) in Houston, TX

Active since August 19, 2006
4950 MEMORIAL DRIVE, HOUSTON, TX 77007(713) 730-2335(713) 802-7676 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Lois A Mccallister Lpc Lcdc NPPES

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

LOIS A MCCALLISTER LPC LCDC (NPI 1558476945) is an individual addiction (substance use disorder) provider in Houston, Texas, licensed in Texas (6016) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1558476945
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameLOIS A MCCALLISTERCredential: LPC LCDC
Location Address4950 MEMORIAL DRIVEHouston, TX 77007
Mailing Address4950 Memorial DriveHouston, TX 77007 · (713) 730-2335 · Fax (713) 802-7676
Fax(713) 802-7676
Sole ProprietorNo
Enumeration DateAugust 19, 2006
Last NPPES UpdateSeptember 11, 2025
NPI 1558476945 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License Licensed in TX · 6016
Also ListedCounselor · ProfessionalTaxonomy 101YP2500X · License 11869 (TX)
4950 MEMORIAL DRIVE, Houston, TX 77007

Other Providers at the Same Location NPPES 20

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

Counselor (Professional)
4950 MEMORIAL DRIVE
HOUSTON, TX 77007
Counselor (Professional)
4950 MEMORIAL DRIVE
HOUSTON, TX 77007
Counselor (Mental Health)
4950 MEMORIAL DRIVE
HOUSTON, TX 77007
Marriage & Family Therapist
4950 MEMORIAL DRIVE
HOUSTON, TX 77007
Marriage & Family Therapist
4950 MEMORIAL DRIVE
HOUSON, TX 77007
Marriage & Family Therapist
4950 MEMORIAL DRIVE
HOUSTON, TX 77007
Social Worker (Clinical)
4950 MEMORIAL DRIVE
HOUSTON, TX 77007
Counselor (Professional)
4950 MEMORIAL DRIVE
HOUSTONT, TN 77007

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 Lois Mccallister's NPI number?

The NPI number for Lois Mccallister is 1558476945. It was assigned to this individual provider in the NPPES registry on August 19, 2006.

Where is Lois Mccallister located?

Lois Mccallister practices at 4950 Memorial Drive, Houston, TX 77007. The listed phone number is (713) 730-2335.

What is Lois Mccallister's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Lois Mccallister was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.