What is Gracelyn Oak's NPI number?

Gracelyn Oak's National Provider Identifier (NPI) is 1871440230, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Gracelyn Oak's specialty?

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

Where is Gracelyn Oak located?

Gracelyn Oak's practice location on file with NPPES is 34448 Yucaipa Blvd Ste a, Yucaipa, CA 92399-2412.

What is Gracelyn Oak's phone number?

The practice phone number listed in the NPPES registry for Gracelyn Oak is (909) 353-7547.

Is Gracelyn Oak's NPI active?

Yes — Gracelyn Oak's NPI (1871440230) is active in the NPPES registry as of the last update on 2026-03-14.

IndividualActive

Gracelyn Oak

NPI 1871440230 · Behavior Technician · Yucaipa, CA

Gracelyn Oak is a Behavior Technician provider in Yucaipa, CA (NPI 1871440230).

Provider details

NPI number: 1871440230
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: Yes

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

34448 Yucaipa Blvd Ste a

Yucaipa, CA 92399-2412

Phone: (909) 353-7547

Street-level locationGet directions

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Mailing address