What is Ashton Grays's NPI number?

Ashton Grays's National Provider Identifier (NPI) is 1659944130, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ashton Grays's specialty?

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

Where is Ashton Grays located?

Ashton Grays's practice location on file with NPPES is 1200 Concord Ave Ste 100, Concord, CA 94520-4969.

What is Ashton Grays's phone number?

The practice phone number listed in the NPPES registry for Ashton Grays is (510) 268-8120.

Is Ashton Grays's NPI active?

Yes — Ashton Grays's NPI (1659944130) is active in the NPPES registry as of the last update on 2026-05-01.

IndividualActive

Ashton Grays

NPI 1659944130 · Behavior Analyst · Concord, CA

Ashton Grays is a Behavior Analyst provider in Concord, CA (NPI 1659944130).

Provider details

NPI number: 1659944130
Entity type: Individual
Primary specialty: Behavior AnalystBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No
License: 1-26-89536 (CA)

Specialties & taxonomies

Behavior AnalystPrimary103K00000XLicense 1-26-89536 (CA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(62/100 index)

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

Registry tenure38% of score
4 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

1200 Concord Ave Ste 100

Concord, CA 94520-4969

Phone: (510) 268-8120

Street-level locationGet directions

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Mailing address