Terry Duffield, LMFT
NPI 1023171485 · Marriage & Family Therapist · San Diego, CA
Terry Duffield, LMFT is a Marriage & Family Therapist provider in San Diego, CA (NPI 1023171485).
Provider details
- NPI number
- 1023171485
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- MFC35552 (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
- 2006-12-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Terry Duffield's NPI number?
- Terry Duffield's National Provider Identifier (NPI) is 1023171485, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Terry Duffield's specialty?
- Terry Duffield is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Terry Duffield located?
- Terry Duffield's practice location on file with NPPES is 4540 Kearny Villa Rd, San Diego, CA 92123-1571.
- What is Terry Duffield's phone number?
- The practice phone number listed in the NPPES registry for Terry Duffield is (858) 344-0231.
- Is Terry Duffield's NPI active?
- Yes — Terry Duffield's NPI (1023171485) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.