Sally Duffy
NPI 1720565112 · Marriage & Family Therapist · Van Nuys, CA
Sally Duffy is a Marriage & Family Therapist provider in Van Nuys, CA (NPI 1720565112).
Provider details
- NPI number
- 1720565112
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 106952 (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
7 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
- 2018-07-27
- Last updated
- 2020-08-17
- Certified
- 2020-08-17
Frequently asked questions
- What is Sally Duffy's NPI number?
- Sally Duffy's National Provider Identifier (NPI) is 1720565112, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sally Duffy's specialty?
- Sally Duffy is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Sally Duffy located?
- Sally Duffy's practice location on file with NPPES is 15339 Saticoy St, Van Nuys, CA 91406-3345.
- What is Sally Duffy's phone number?
- The practice phone number listed in the NPPES registry for Sally Duffy is (818) 267-2646.
- Is Sally Duffy's NPI active?
- Yes — Sally Duffy's NPI (1720565112) is active in the NPPES registry as of the last update on 2020-08-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.