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MRS. DIANA MAHANNAH-JOHN
NPI 1164825261
Clinic/Center - Methadone in Houston, TX

Active since October 02, 2014
7428 PARK PLACE BLVD, HOUSTON, TX 77087(713) 643-5858(713) 643-2967 Get Directions Write a Review

NPPES record last updated: October 2, 2014. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mrs. Diana Mahannah-john NPPES

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

MRS. DIANA MAHANNAH-JOHN (NPI 1164825261) is an individual methadone provider in Houston, Texas, licensed in Texas (76-1067155) and active in the NPI registry since October 2014.

NPPES Registry Identity

NPI1164825261
Entity TypeIndividualFemale
Primary Taxonomy261QM2800X
Provider Legal NameMRS. DIANA MAHANNAH-JOHN
Location Address7428 PARK PLACE BLVDHouston, TX 77087-4442
Mailing Address7428 Park Place BlvdHouston, TX 77087-4442 · (713) 643-5858 · Fax (713) 643-2967
Phone(713) 643-5858
Fax(713) 643-2967
Sole ProprietorYes
Enumeration DateOctober 2, 2014
✔ NPI 1164825261 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · MethadoneAmbulatory Health Care Facilities
Taxonomy Code261QM2800X
License✔ Licensed in TX · 76-1067155
Definition
An entity, facility, or distinct part of a facility providing diagnostic, and replacement maintenance treatment services related to individuals with drug addiction.
7428 PARK PLACE BLVD, Houston, TX 77087
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Other Providers at the Same Location NPPES 4

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

PAMELA SUE POWLEY LVN
Licensed Vocational Nurse
7428 PARK PLACE BLVD
HOUSTON, TX 77087
Harris County (713) 645-6303
TEXAS AMERICAN MEDICAL CONSULTANTS INC
Clinic/Center (Methadone)
7428 PARK PLACE BLVD
HOUSTON, TX 77087
Harris County (713) 643-5858
HOUSTON SUBSTANCE ABUSE CLINIC, INC.
Substance Abuse Rehabilitation Facility
7428 PARK PLACE BLVD
HOUSTON, TX 77087
Harris County (713) 643-5858
DIANA LYNN WELLS LVN
Licensed Vocational Nurse
7428 PARK PLACE BLVD
HOUSTON, TX 77087
Harris County (713) 645-6303

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 Diana Mahannah-john's NPI number?

The NPI number for Diana Mahannah-john is 1164825261. It was assigned to this individual provider in the NPPES registry on October 2, 2014.

Where is Diana Mahannah-john located?

Diana Mahannah-john practices at 7428 Park Place Blvd, Houston, TX 77087. The listed phone number is (713) 643-5858.

What is Diana Mahannah-john's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Methadone, with taxonomy code 261QM2800X.

When was this NPI record last updated?

The NPPES record for Diana Mahannah-john was last updated on October 2, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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.