What is Diana James's NPI number?

Diana James's National Provider Identifier (NPI) is 1649062365, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Diana James's specialty?

Diana James is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).

Where is Diana James located?

Diana James's practice location on file with NPPES is 30 Ridge Crest Ct, Oakley, CA 94561-1551.

What is Diana James's phone number?

The practice phone number listed in the NPPES registry for Diana James is (925) 207-3020.

Is Diana James's NPI active?

Yes — Diana James's NPI (1649062365) is active in the NPPES registry as of the last update on 2025-05-19.

IndividualActive

Diana James, REGISTERED NURSE

NPI 1649062365 · Registered Nurse · Oakley, CA

Diana James, REGISTERED NURSE is a Registered Nurse provider in Oakley, CA (NPI 1649062365).

Provider details

NPI number: 1649062365
Entity type: Individual
Primary specialty: Registered NurseNursing Service Providers
Credential: REGISTERED NURSE
Sex: Female
Sole proprietor: Yes
License: 683521 (CA)

Specialties & taxonomies

Registered NursePrimary163W00000XLicense 683521 (CA)
Nursing Service Providers

Profile Score

Established profile(54/100 index)

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

Registry tenure38% of score
1 yr 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

30 Ridge Crest Ct

Oakley, CA 94561-1551

Phone: (925) 207-3020

Street-level locationGet directions

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Mailing address