What is Gillian O'Neal's NPI number?

Gillian O'Neal's National Provider Identifier (NPI) is 1134018021, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Gillian O'Neal's specialty?

Gillian O'Neal is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).

Where is Gillian O'Neal located?

Gillian O'Neal's practice location on file with NPPES is 940 Ramona Ave Ste M, Grover Beach, CA 93433-2155.

What is Gillian O'Neal's phone number?

The practice phone number listed in the NPPES registry for Gillian O'Neal is (269) 352-3660.

Is Gillian O'Neal's NPI active?

Yes — Gillian O'Neal's NPI (1134018021) is active in the NPPES registry as of the last update on 2025-07-02.

IndividualActive

Gillian O'Neal

NPI 1134018021 · Behavior Analyst · Grover Beach, CA

Gillian O'Neal is a Behavior Analyst provider in Grover Beach, CA (NPI 1134018021).

Provider details

NPI number: 1134018021
Entity type: Individual
Primary specialty: Behavior AnalystBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Behavior AnalystPrimary103K00000X
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
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

940 Ramona Ave Ste M

Grover Beach, CA 93433-2155

Phone: (269) 352-3660

Street-level locationGet directions

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Mailing address