Deena Duncan
NPI 1417130196 · Marriage & Family Therapist · Norwalk, CA
Deena Duncan is a Marriage & Family Therapist provider in Norwalk, CA (NPI 1417130196).
Provider details
- NPI number
- 1417130196
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 86701 (CA)
Specialties & taxonomies
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
18 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
- 2007-12-17
- Last updated
- 2015-06-17
Frequently asked questions
- What is Deena Duncan's NPI number?
- Deena Duncan's National Provider Identifier (NPI) is 1417130196, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deena Duncan's specialty?
- Deena Duncan is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Deena Duncan located?
- Deena Duncan's practice location on file with NPPES is 11733 166th St Frnt House, Norwalk, CA 90650-7002.
- What is Deena Duncan's phone number?
- The practice phone number listed in the NPPES registry for Deena Duncan is (562) 746-5137.
- Is Deena Duncan's NPI active?
- Yes — Deena Duncan's NPI (1417130196) is active in the NPPES registry as of the last update on 2015-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.