Brittany Day, BCBA
NPI 1639522840 · Behavior Analyst · Monrovia, CA
Brittany Day, BCBA is a Behavior Analyst provider in Monrovia, CA (NPI 1639522840).
Provider details
- NPI number
- 1639522840
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Credential
- BCBA
- Sex
- Female
- Sole proprietor
- No
- License
- 1-19-37242
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
9 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
- 2016-07-22
- Last updated
- 2023-11-22
- Certified
- 2022-06-29
Frequently asked questions
- What is Brittany Day's NPI number?
- Brittany Day's National Provider Identifier (NPI) is 1639522840, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brittany Day's specialty?
- Brittany Day is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Brittany Day located?
- Brittany Day's practice location on file with NPPES is 612 S Myrtle Ave Ste 100, Monrovia, CA 91016-3406.
- What is Brittany Day's phone number?
- The practice phone number listed in the NPPES registry for Brittany Day is (626) 775-7888.
- Is Brittany Day's NPI active?
- Yes — Brittany Day's NPI (1639522840) is active in the NPPES registry as of the last update on 2023-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.