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Arianna Grassmann
NPI 1033614003 · Behavior Analyst · Temecula, CA
Arianna Grassmann is a Behavior Analyst provider in Temecula, CA (NPI 1033614003).
Provider details
- NPI number
- 1033614003
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(62/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
83% 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
27720 Jefferson Ave
Temecula, CA 92590-2610
Phone: (951) 699-8640
Street-level locationGet directions
Mailing address
21600 Oxnard St Ste 1800
Woodland Hills, CA 91367-7807
Registry dates
- Enumerated
- 2018-03-29
- Last updated
- 2018-03-29
Frequently asked questions
- What is Arianna Grassmann's NPI number?
- Arianna Grassmann's National Provider Identifier (NPI) is 1033614003, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arianna Grassmann's specialty?
- Arianna Grassmann is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Arianna Grassmann located?
- Arianna Grassmann's practice location on file with NPPES is 27720 Jefferson Ave, Temecula, CA 92590-2610.
- What is Arianna Grassmann's phone number?
- The practice phone number listed in the NPPES registry for Arianna Grassmann is (951) 699-8640.
- Is Arianna Grassmann's NPI active?
- Yes — Arianna Grassmann's NPI (1033614003) is active in the NPPES registry as of the last update on 2018-03-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.