What is Tiffany Guillen's NPI number?

Tiffany Guillen's National Provider Identifier (NPI) is 1972431138, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Tiffany Guillen's specialty?

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

Where is Tiffany Guillen located?

Tiffany Guillen's practice location on file with NPPES is 1737 Atlanta Ave Ste H5, Riverside, CA 92507-2419.

What is Tiffany Guillen's phone number?

The practice phone number listed in the NPPES registry for Tiffany Guillen is (951) 405-3015.

Is Tiffany Guillen's NPI active?

Yes — Tiffany Guillen's NPI (1972431138) is active in the NPPES registry as of the last update on 2026-05-09.

IndividualActive

Tiffany Guillen

NPI 1972431138 · Behavior Technician · Riverside, CA

Tiffany Guillen is a Behavior Technician provider in Riverside, CA (NPI 1972431138).

Provider details

NPI number: 1972431138
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

Basic profile(46/100 index)

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

Registry tenure38% of score
Under 1 yr in 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

1737 Atlanta Ave Ste H5

Riverside, CA 92507-2419

Phone: (951) 405-3015

Street-level locationGet directions

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Mailing address