What is Janet Alexander's NPI number?

Janet Alexander's National Provider Identifier (NPI) is 1649214578, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Janet Alexander's specialty?

Janet Alexander is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).

Where is Janet Alexander located?

Janet Alexander's practice location on file with NPPES is 150 Muir Rd, Martinez, CA 94553-4668.

What is Janet Alexander's phone number?

The practice phone number listed in the NPPES registry for Janet Alexander is (925) 372-2000.

Is Janet Alexander's NPI active?

Yes — Janet Alexander's NPI (1649214578) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Janet Alexander, MS-SLP

NPI 1649214578 · Speech-Language Pathologist · Martinez, CA

Janet Alexander, MS-SLP is a Speech-Language Pathologist provider in Martinez, CA (NPI 1649214578).

Provider details

NPI number: 1649214578
Entity type: Individual
Primary specialty: Speech-Language PathologistSpeech, Language and Hearing Service Providers
Credential: MS-SLP
Sex: Female

Specialties & taxonomies

Speech-Language PathologistPrimary235Z00000X
Speech, Language and Hearing Service Providers

Profile Score

Detailed profile(84/100 index)

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

Registry tenure38% of score
20 yrs in NPPES 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

150 Muir Rd

Martinez, CA 94553-4668

Phone: (925) 372-2000

Fax: (925) 372-2553

Street-level locationGet directions

More CA providers

Mailing address

262 Norman Ave

Clyde, CA 94520-1106

Enumerated: 2006-06-14
Last updated: 2007-07-08

Frequently asked questions

What is Janet Alexander's NPI number?: Janet Alexander's National Provider Identifier (NPI) is 1649214578, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Janet Alexander's specialty?: Janet Alexander is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
Where is Janet Alexander located?: Janet Alexander's practice location on file with NPPES is 150 Muir Rd, Martinez, CA 94553-4668.
What is Janet Alexander's phone number?: The practice phone number listed in the NPPES registry for Janet Alexander is (925) 372-2000.
Is Janet Alexander's NPI active?: Yes — Janet Alexander's NPI (1649214578) is active in the NPPES registry as of the last update on 2007-07-08.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.