Keith Clausen, PH.D.
NPI 1578792081 · Marriage & Family Therapist · San Mateo, CA
Keith Clausen, PH.D. is a Marriage & Family Therapist provider in San Mateo, CA (NPI 1578792081).
Provider details
- NPI number
- 1578792081
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MFC 21277 (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
16 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
- 2009-07-06
- Last updated
- 2009-07-06
Frequently asked questions
- What is Keith Clausen's NPI number?
- Keith Clausen's National Provider Identifier (NPI) is 1578792081, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keith Clausen's specialty?
- Keith Clausen is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Keith Clausen located?
- Keith Clausen's practice location on file with NPPES is 225 37th Ave, San Mateo, CA 94403-4324.
- What is Keith Clausen's phone number?
- The practice phone number listed in the NPPES registry for Keith Clausen is (650) 573-2331.
- Is Keith Clausen's NPI active?
- Yes — Keith Clausen's NPI (1578792081) is active in the NPPES registry as of the last update on 2009-07-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.