Sarah Knowlton
NPI 1033517487 · Marriage & Family Therapist · Los Angeles, CA
Sarah Knowlton is a Marriage & Family Therapist provider in Los Angeles, CA (NPI 1033517487).
Provider details
- NPI number
- 1033517487
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- IMF 68327 (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
11 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
- 2014-12-17
- Last updated
- 2014-12-17
Frequently asked questions
- What is Sarah Knowlton's NPI number?
- Sarah Knowlton's National Provider Identifier (NPI) is 1033517487, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Knowlton's specialty?
- Sarah Knowlton is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Sarah Knowlton located?
- Sarah Knowlton's practice location on file with NPPES is 1964 Westwood Blvd, Los Angeles, CA 90025-4651.
- What is Sarah Knowlton's phone number?
- The practice phone number listed in the NPPES registry for Sarah Knowlton is (310) 360-0041.
- Is Sarah Knowlton's NPI active?
- Yes — Sarah Knowlton's NPI (1033517487) is active in the NPPES registry as of the last update on 2014-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.