David Duffield, LCDCI
NPI 1134806896 · Addiction (Substance Use Disorder) Counselor · Houston, TX
David Duffield, LCDCI is a Addiction (Substance Use Disorder) Counselor provider in Houston, TX (NPI 1134806896).
Provider details
- NPI number
- 1134806896
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- LCDCI
- Sex
- Male
- Sole proprietor
- No
- License
- 17183 (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
2 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
- 2023-07-03
- Last updated
- 2026-01-30
- Certified
- 2026-01-30
Frequently asked questions
- What is David Duffield's NPI number?
- David Duffield's National Provider Identifier (NPI) is 1134806896, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Duffield's specialty?
- David Duffield is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is David Duffield located?
- David Duffield's practice location on file with NPPES is 9401 Southwest Fwy, Houston, TX 77074-1407.
- What is David Duffield's phone number?
- The practice phone number listed in the NPPES registry for David Duffield is (713) 970-3304.
- Is David Duffield's NPI active?
- Yes — David Duffield's NPI (1134806896) is active in the NPPES registry as of the last update on 2026-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.