What is Gizelle Nieves's NPI number?

Gizelle Nieves's National Provider Identifier (NPI) is 1265125389, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Gizelle Nieves's specialty?

Gizelle Nieves is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).

Where is Gizelle Nieves located?

Gizelle Nieves's practice location on file with NPPES is 9355 E Stockton Blvd, Elk Grove, CA 95624-9476.

What is Gizelle Nieves's phone number?

The practice phone number listed in the NPPES registry for Gizelle Nieves is (916) 683-1109.

Is Gizelle Nieves's NPI active?

Yes — Gizelle Nieves's NPI (1265125389) is active in the NPPES registry as of the last update on 2026-05-18.

IndividualActive

Gizelle Nieves

NPI 1265125389 · Behavior Technician · Elk Grove, CA

Gizelle Nieves is a Behavior Technician provider in Elk Grove, CA (NPI 1265125389).

Provider details

NPI number: 1265125389
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Behavior TechnicianPrimary106S00000X
Behavioral Health & Social Service Providers

Profile Score

Established profile(52/100 index)

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

Registry tenure38% of score
3 yrs 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

9355 E Stockton Blvd

Elk Grove, CA 95624-9476

Phone: (916) 683-1109

Street-level locationGet directions

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Mailing address