Alexandra Matthews, PH.D.
NPI 1679926786 · Cognitive & Behavioral Psychologist · Mill Valley, CA
Alexandra Matthews, PH.D. is a Cognitive & Behavioral Psychologist provider in Mill Valley, CA (NPI 1679926786).
Provider details
- NPI number
- 1679926786
- Entity type
- Individual
- Primary specialty
- Cognitive & Behavioral PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY16219 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
Mailing address
Registry dates
- Enumerated
- 2016-07-14
- Last updated
- 2016-07-14
Frequently asked questions
- What is Alexandra Matthews's NPI number?
- Alexandra Matthews's National Provider Identifier (NPI) is 1679926786, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexandra Matthews's specialty?
- Alexandra Matthews is listed in the NPPES registry with a primary specialty of Cognitive & Behavioral Psychologist (Behavioral Health & Social Service Providers).
- Where is Alexandra Matthews located?
- Alexandra Matthews's practice location on file with NPPES is 275 Miller Ave Ste 203, Mill Valley, CA 94941-2851.
- What is Alexandra Matthews's phone number?
- The practice phone number listed in the NPPES registry for Alexandra Matthews is (415) 388-0800.
- Is Alexandra Matthews's NPI active?
- Yes — Alexandra Matthews's NPI (1679926786) is active in the NPPES registry as of the last update on 2016-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.