Katherine Yost, PHD, LMFT
NPI 1962551747 · Marriage & Family Therapist · Rancho Santa Margarita, CA
Katherine Yost, PHD, LMFT is a Marriage & Family Therapist provider in Rancho Santa Margarita, CA (NPI 1962551747).
Provider details
- NPI number
- 1962551747
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- PHD, LMFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- LF60034433 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
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
- 2007-01-09
- Last updated
- 2024-05-02
- Certified
- 2024-05-02
Frequently asked questions
- What is Katherine Yost's NPI number?
- Katherine Yost's National Provider Identifier (NPI) is 1962551747, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Yost's specialty?
- Katherine Yost is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Katherine Yost located?
- Katherine Yost's practice location on file with NPPES is 39 Calle Del Sur, Rancho Santa Margarita, CA 92688-2917.
- What is Katherine Yost's phone number?
- The practice phone number listed in the NPPES registry for Katherine Yost is (425) 405-0494.
- Is Katherine Yost's NPI active?
- Yes — Katherine Yost's NPI (1962551747) is active in the NPPES registry as of the last update on 2024-05-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.