Gary Hilliard
NPI 1538460621 · Addiction (Substance Use Disorder) Counselor · Houston, TX
Gary Hilliard is a Addiction (Substance Use Disorder) Counselor provider in Houston, TX (NPI 1538460621).
Provider details
- NPI number
- 1538460621
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 11152 (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
- 2010-11-05
- Last updated
- 2010-11-05
Frequently asked questions
- What is Gary Hilliard's NPI number?
- Gary Hilliard's National Provider Identifier (NPI) is 1538460621, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Hilliard's specialty?
- Gary Hilliard is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Gary Hilliard located?
- Gary Hilliard's practice location on file with NPPES is 11510 Homestead Rd, Houston, TX 77016-1237.
- What is Gary Hilliard's phone number?
- The practice phone number listed in the NPPES registry for Gary Hilliard is (281) 449-3233.
- Is Gary Hilliard's NPI active?
- Yes — Gary Hilliard's NPI (1538460621) is active in the NPPES registry as of the last update on 2010-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.