What is Sierra Hill's NPI number?

Sierra Hill's National Provider Identifier (NPI) is 1538951439, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sierra Hill's specialty?

Sierra Hill is listed in the NPPES registry with a primary specialty of Assistant Behavior Analyst (Behavioral Health & Social Service Providers).

Where is Sierra Hill located?

Sierra Hill's practice location on file with NPPES is 1411 W 190th St, Gardena, CA 90248-4324.

What is Sierra Hill's phone number?

The practice phone number listed in the NPPES registry for Sierra Hill is (310) 719-3908.

Is Sierra Hill's NPI active?

Yes — Sierra Hill's NPI (1538951439) is active in the NPPES registry as of the last update on 2025-05-19.

IndividualActive

Sierra Hill

NPI 1538951439 · Assistant Behavior Analyst · Gardena, CA

Sierra Hill is a Assistant Behavior Analyst provider in Gardena, CA (NPI 1538951439).

Provider details

NPI number: 1538951439
Entity type: Individual
Primary specialty: Assistant Behavior AnalystBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Assistant Behavior AnalystPrimary106E00000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(48/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
1 yr 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

1411 W 190th St

Gardena, CA 90248-4324

Phone: (310) 719-3908

Street-level locationGet directions

More CA providers

Mailing address