IndividualActive
Diana Mahannah-John
NPI 1164825261 · Methadone Clinic · Houston, TX
Diana Mahannah-John is a Methadone Clinic provider in Houston, TX (NPI 1164825261).
Provider details
- NPI number
- 1164825261
- Entity type
- Individual
- Primary specialty
- Methadone ClinicAmbulatory Health Care Facilities
- Sex
- Female
- Sole proprietor
- Yes
- License
- 76-1067155 (TX)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
Detailed profile(75/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
7428 Park Place Blvd
Houston, TX 77087-4442
Phone: (713) 643-5858
Fax: (713) 643-2967
Street-level locationGet directions
Mailing address
7428 Park Place Blvd
Houston, TX 77087-4442
Registry dates
- Enumerated
- 2014-10-02
- Last updated
- 2014-10-02
Frequently asked questions
- What is Diana Mahannah-John's NPI number?
- Diana Mahannah-John's National Provider Identifier (NPI) is 1164825261, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Mahannah-John's specialty?
- Diana Mahannah-John is listed in the NPPES registry with a primary specialty of Methadone Clinic (Ambulatory Health Care Facilities).
- Where is Diana Mahannah-John located?
- Diana Mahannah-John's practice location on file with NPPES is 7428 Park Place Blvd, Houston, TX 77087-4442.
- What is Diana Mahannah-John's phone number?
- The practice phone number listed in the NPPES registry for Diana Mahannah-John is (713) 643-5858.
- Is Diana Mahannah-John's NPI active?
- Yes — Diana Mahannah-John's NPI (1164825261) is active in the NPPES registry as of the last update on 2014-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.