Sarah Stilwell, LMFT
NPI 1093489346 · Marriage & Family Therapist · Fullerton, CA
Sarah Stilwell, LMFT is a Marriage & Family Therapist provider in Fullerton, CA (NPI 1093489346).
Provider details
- NPI number
- 1093489346
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- LMFT145686 (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
4 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
- 2021-08-02
- Last updated
- 2024-03-08
- Certified
- 2024-03-08
Frequently asked questions
- What is Sarah Stilwell's NPI number?
- Sarah Stilwell's National Provider Identifier (NPI) is 1093489346, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Stilwell's specialty?
- Sarah Stilwell is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Sarah Stilwell located?
- Sarah Stilwell's practice location on file with NPPES is 680 Langsdorf Dr Ste 200, Fullerton, CA 92831-3702.
- What is Sarah Stilwell's phone number?
- The practice phone number listed in the NPPES registry for Sarah Stilwell is (714) 871-9264.
- Is Sarah Stilwell's NPI active?
- Yes — Sarah Stilwell's NPI (1093489346) is active in the NPPES registry as of the last update on 2024-03-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.