What is Maria Alonso's NPI number?

Maria Alonso's National Provider Identifier (NPI) is 1609483023, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Maria Alonso's specialty?

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

Where is Maria Alonso located?

Maria Alonso's practice location on file with NPPES is 19019 Ventura Blvd, Tarzana, CA 91356-3253.

What is Maria Alonso's phone number?

The practice phone number listed in the NPPES registry for Maria Alonso is (818) 501-8352.

Is Maria Alonso's NPI active?

Yes — Maria Alonso's NPI (1609483023) is active in the NPPES registry as of the last update on 2026-01-07.

IndividualActive

Maria Alonso

NPI 1609483023 · Behavior Analyst · Tarzana, CA

Maria Alonso is a Behavior Analyst provider in Tarzana, CA (NPI 1609483023).

Provider details

NPI number: 1609483023
Entity type: Individual
Primary specialty: Behavior AnalystBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No
License: 14794 (CA)

Specialties & taxonomies

Behavior AnalystPrimary103K00000XLicense 14794 (CA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(63/100 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

19019 Ventura Blvd

Tarzana, CA 91356-3253

Phone: (818) 501-8352

Street-level locationGet directions

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Mailing address