Siena Vaillancourt, NONE
NPI 1871478768 · Assistant Behavior Analyst · Petaluma, CA
Siena Vaillancourt, NONE is a Assistant Behavior Analyst provider in Petaluma, CA (NPI 1871478768).
Provider details
- NPI number
- 1871478768
- Entity type
- Individual
- Primary specialty
- Assistant Behavior AnalystBehavioral Health & Social Service Providers
- Credential
- NONE
- Sex
- Female
- Sole proprietor
- No
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
Under 1 yr in 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
Mailing address
Registry dates
- Enumerated
- 2025-08-08
- Last updated
- 2025-08-08
- Certified
- 2025-08-07
Frequently asked questions
- What is Siena Vaillancourt's NPI number?
- Siena Vaillancourt's National Provider Identifier (NPI) is 1871478768, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siena Vaillancourt's specialty?
- Siena Vaillancourt is listed in the NPPES registry with a primary specialty of Assistant Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Siena Vaillancourt located?
- Siena Vaillancourt's practice location on file with NPPES is 755 Baywood Dr Fl 2, Petaluma, CA 94954-5510.
- What is Siena Vaillancourt's phone number?
- The practice phone number listed in the NPPES registry for Siena Vaillancourt is (707) 559-3647.
- Is Siena Vaillancourt's NPI active?
- Yes — Siena Vaillancourt's NPI (1871478768) is active in the NPPES registry as of the last update on 2025-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.