What is Diane Chase's NPI number?

Diane Chase's National Provider Identifier (NPI) is 1407788292, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Diane Chase's specialty?

Diane Chase is listed in the NPPES registry with a primary specialty of Peer Specialist (Other Service Providers).

Where is Diane Chase located?

Diane Chase's practice location on file with NPPES is 1340 Arnold Dr Ste 200, Martinez, CA 94553-4189.

What is Diane Chase's phone number?

The practice phone number listed in the NPPES registry for Diane Chase is (925) 393-2052.

Is Diane Chase's NPI active?

Yes — Diane Chase's NPI (1407788292) is active in the NPPES registry as of the last update on 2026-06-03.

IndividualActive

Diane Chase, MPSS

NPI 1407788292 · Peer Specialist · Martinez, CA

Diane Chase, MPSS is a Peer Specialist provider in Martinez, CA (NPI 1407788292).

Provider details

NPI number: 1407788292
Entity type: Individual
Primary specialty: Peer SpecialistOther Service Providers
Credential: MPSS
Sex: Female
Sole proprietor: No
License: MPSS-Q4W40I (CA)

Specialties & taxonomies

Peer SpecialistPrimary175T00000XLicense MPSS-Q4W40I (CA)
Other 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
Under 1 yr in 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

1340 Arnold Dr Ste 200

Martinez, CA 94553-4189

Phone: (925) 393-2052

Street-level locationGet directions

More CA providers

Mailing address