IndividualActive
Ellen Ly, MS, BCBA
NPI 1679155964 · Behavior Analyst · Covina, CA
Ellen Ly, MS, BCBA is a Behavior Analyst provider in Covina, CA (NPI 1679155964).
Provider details
- NPI number
- 1679155964
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Credential
- MS, BCBA
- Sex
- Female
- Sole proprietor
- No
- License
- 1-21-49359 (CA)
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
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
1274 Center Court Dr Ste 211
Covina, CA 91724-3668
Phone: (626) 339-4999
Street-level locationGet directions
Mailing address
8225 Sierra Bonita Ave
Rosemead, CA 91770-4049
Registry dates
- Enumerated
- 2021-04-26
- Last updated
- 2021-04-26
- Certified
- 2021-04-26
Frequently asked questions
- What is Ellen Ly's NPI number?
- Ellen Ly's National Provider Identifier (NPI) is 1679155964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Ly's specialty?
- Ellen Ly is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Ellen Ly located?
- Ellen Ly's practice location on file with NPPES is 1274 Center Court Dr Ste 211, Covina, CA 91724-3668.
- What is Ellen Ly's phone number?
- The practice phone number listed in the NPPES registry for Ellen Ly is (626) 339-4999.
- Is Ellen Ly's NPI active?
- Yes — Ellen Ly's NPI (1679155964) is active in the NPPES registry as of the last update on 2021-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.