Gwendolyn Blacknell, LCDC
NPI 1962707570 · Addiction (Substance Use Disorder) Counselor · Houston, TX
Gwendolyn Blacknell, LCDC is a Addiction (Substance Use Disorder) Counselor provider in Houston, TX (NPI 1962707570).
Provider details
- NPI number
- 1962707570
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- LCDC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 10653 (TX)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
Mailing address
Registry dates
- Enumerated
- 2011-01-13
- Last updated
- 2014-04-18
Frequently asked questions
- What is Gwendolyn Blacknell's NPI number?
- Gwendolyn Blacknell's National Provider Identifier (NPI) is 1962707570, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gwendolyn Blacknell's specialty?
- Gwendolyn Blacknell is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Gwendolyn Blacknell located?
- Gwendolyn Blacknell's practice location on file with NPPES is 3207 Broadway St, Houston, TX 77017-2320.
- What is Gwendolyn Blacknell's phone number?
- The practice phone number listed in the NPPES registry for Gwendolyn Blacknell is (281) 991-8668.
- Is Gwendolyn Blacknell's NPI active?
- Yes — Gwendolyn Blacknell's NPI (1962707570) is active in the NPPES registry as of the last update on 2014-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.