Wanda Duffy, C.C.D.C.
NPI 1780715755 · Marriage & Family Therapist · Gardena, CA
Wanda Duffy, C.C.D.C. is a Marriage & Family Therapist provider in Gardena, CA (NPI 1780715755).
Provider details
- NPI number
- 1780715755
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- C.C.D.C.
- Sex
- Female
- Sole proprietor
- No
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
19 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2007-03-08
- Last updated
- 2014-02-05
Frequently asked questions
- What is Wanda Duffy's NPI number?
- Wanda Duffy's National Provider Identifier (NPI) is 1780715755, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wanda Duffy's specialty?
- Wanda Duffy is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Wanda Duffy located?
- Wanda Duffy's practice location on file with NPPES is 15519 Crenshaw Blvd, Gardena, CA 90249-4525.
- What is Wanda Duffy's phone number?
- The practice phone number listed in the NPPES registry for Wanda Duffy is (310) 679-9031.
- Is Wanda Duffy's NPI active?
- Yes — Wanda Duffy's NPI (1780715755) is active in the NPPES registry as of the last update on 2014-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.