Tiana Diaz
NPI 1821688326 · Addiction (Substance Use Disorder) Counselor · Lancaster, CA
Tiana Diaz is a Addiction (Substance Use Disorder) Counselor provider in Lancaster, CA (NPI 1821688326).
Provider details
- NPI number
- 1821688326
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- R1412371220 (CA)
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
5 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
- 2021-01-19
- Last updated
- 2021-01-19
- Certified
- 2021-01-19
Frequently asked questions
- What is Tiana Diaz's NPI number?
- Tiana Diaz's National Provider Identifier (NPI) is 1821688326, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tiana Diaz's specialty?
- Tiana Diaz is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Tiana Diaz located?
- Tiana Diaz's practice location on file with NPPES is 3224 W Avenue J2, Lancaster, CA 93536-6171.
- What is Tiana Diaz's phone number?
- The practice phone number listed in the NPPES registry for Tiana Diaz is (661) 917-3696.
- Is Tiana Diaz's NPI active?
- Yes — Tiana Diaz's NPI (1821688326) is active in the NPPES registry as of the last update on 2021-01-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.