Kathryn Mason
NPI 1770290868 · Marriage & Family Therapist · Westlake Village, CA
Kathryn Mason is a Marriage & Family Therapist provider in Westlake Village, CA (NPI 1770290868).
Provider details
- NPI number
- 1770290868
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 45521 (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
3 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
- 2022-10-31
- Last updated
- 2022-10-31
- Certified
- 2022-10-29
Frequently asked questions
- What is Kathryn Mason's NPI number?
- Kathryn Mason's National Provider Identifier (NPI) is 1770290868, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Mason's specialty?
- Kathryn Mason is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Kathryn Mason located?
- Kathryn Mason's practice location on file with NPPES is 5655 Lindero Canyon Rd Ste 401, Westlake Village, CA 91362-4046.
- What is Kathryn Mason's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Mason is (310) 405-5000.
- Is Kathryn Mason's NPI active?
- Yes — Kathryn Mason's NPI (1770290868) is active in the NPPES registry as of the last update on 2022-10-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.