IndividualActive
Diana Diaz, MS
NPI 1033821855 · Behavior Analyst · Rancho Cucamonga, CA
Diana Diaz, MS is a Behavior Analyst provider in Rancho Cucamonga, CA (NPI 1033821855).
Provider details
- NPI number
- 1033821855
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Credential
- MS
- Sex
- Female
- Sole proprietor
- No
- License
- BACB713467 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(64/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
8300 Utica Ave Ste 310
Rancho Cucamonga, CA 91730-3852
Phone: (909) 906-1505
Street-level locationGet directions
Mailing address
8300 Utica Ave Ste 310
Rancho Cucamonga, CA 91730-3852
Additional practice locations (1)
- 1200 Concord Ave Ste 100Concord, CA 94520-4969Phone: (510) 268-8120
Registry dates
- Enumerated
- 2022-12-23
- Last updated
- 2025-01-20
- Certified
- 2025-01-20
Frequently asked questions
- What is Diana Diaz's NPI number?
- Diana Diaz's National Provider Identifier (NPI) is 1033821855, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Diaz's specialty?
- Diana Diaz is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Diana Diaz located?
- Diana Diaz's practice location on file with NPPES is 8300 Utica Ave Ste 310, Rancho Cucamonga, CA 91730-3852.
- What is Diana Diaz's phone number?
- The practice phone number listed in the NPPES registry for Diana Diaz is (909) 906-1505.
- Is Diana Diaz's NPI active?
- Yes — Diana Diaz's NPI (1033821855) is active in the NPPES registry as of the last update on 2025-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.