Claire Stewart
NPI 1780111914 · Addiction (Substance Use Disorder) Counselor · Winnetka, CA
Claire Stewart is a Addiction (Substance Use Disorder) Counselor provider in Winnetka, CA (NPI 1780111914).
Provider details
- NPI number
- 1780111914
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 168329I (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
9 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
- 2017-05-18
- Last updated
- 2022-07-21
Frequently asked questions
- What is Claire Stewart's NPI number?
- Claire Stewart's National Provider Identifier (NPI) is 1780111914, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Claire Stewart's specialty?
- Claire Stewart is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Claire Stewart located?
- Claire Stewart's practice location on file with NPPES is 7640 Oso Ave Apt 212, Winnetka, CA 91306-4704.
- What is Claire Stewart's phone number?
- The practice phone number listed in the NPPES registry for Claire Stewart is (818) 312-1328.
- Is Claire Stewart's NPI active?
- Yes — Claire Stewart's NPI (1780111914) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.