Kathryn Duncan
NPI 1255053807 · Marriage & Family Therapist · Manhattan Beach, CA
Kathryn Duncan is a Marriage & Family Therapist provider in Manhattan Beach, CA (NPI 1255053807).
Provider details
- NPI number
- 1255053807
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 155644 (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
- 2022-09-12
- Last updated
- 2026-05-26
- Certified
- 2026-05-26
Frequently asked questions
- What is Kathryn Duncan's NPI number?
- Kathryn Duncan's National Provider Identifier (NPI) is 1255053807, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Duncan's specialty?
- Kathryn Duncan is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Kathryn Duncan located?
- Kathryn Duncan's practice location on file with NPPES is 1101 N Sepulveda Blvd Ste 202, Manhattan Beach, CA 90266-5963.
- What is Kathryn Duncan's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Duncan is (747) 277-4579.
- Is Kathryn Duncan's NPI active?
- Yes — Kathryn Duncan's NPI (1255053807) is active in the NPPES registry as of the last update on 2026-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.