Susan Duffy, MFT
NPI 1760400485 · Marriage & Family Therapist · Newport Beach, CA
Susan Duffy, MFT is a Marriage & Family Therapist provider in Newport Beach, CA (NPI 1760400485).
Provider details
- NPI number
- 1760400485
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- 39983 (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
19 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
- 2006-07-18
- Last updated
- 2025-05-22
- Certified
- 2025-05-22
Frequently asked questions
- What is Susan Duffy's NPI number?
- Susan Duffy's National Provider Identifier (NPI) is 1760400485, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Duffy's specialty?
- Susan Duffy is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Susan Duffy located?
- Susan Duffy's practice location on file with NPPES is 1000 Quail St, Newport Beach, CA 92660-2731.
- What is Susan Duffy's phone number?
- The practice phone number listed in the NPPES registry for Susan Duffy is (949) 887-9827.
- Is Susan Duffy's NPI active?
- Yes — Susan Duffy's NPI (1760400485) is active in the NPPES registry as of the last update on 2025-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.