Margaret Thayer, PHD
NPI 1609926823 · Clinical Psychologist · Walnut Creek, CA
Margaret Thayer, PHD is a Clinical Psychologist provider in Walnut Creek, CA (NPI 1609926823).
Provider details
- NPI number
- 1609926823
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY14839 (CA)
Specialties & taxonomies
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
19 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
- 2007-01-11
- Last updated
- 2016-09-19
Frequently asked questions
- What is Margaret Thayer's NPI number?
- Margaret Thayer's National Provider Identifier (NPI) is 1609926823, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Thayer's specialty?
- Margaret Thayer is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Margaret Thayer located?
- Margaret Thayer's practice location on file with NPPES is 1600 S Main St Ste 111, Walnut Creek, CA 94596-5320.
- What is Margaret Thayer's phone number?
- The practice phone number listed in the NPPES registry for Margaret Thayer is (925) 855-0459.
- Is Margaret Thayer's NPI active?
- Yes — Margaret Thayer's NPI (1609926823) is active in the NPPES registry as of the last update on 2016-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.