Alyssa Duffield
NPI 1881124931 · Marriage & Family Therapist · San Diego, CA
Alyssa Duffield is a Marriage & Family Therapist provider in San Diego, CA (NPI 1881124931).
Provider details
- NPI number
- 1881124931
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Counselor101Y00000X
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
9 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
- 2017-06-12
- Last updated
- 2024-06-28
- Certified
- 2024-06-28
Frequently asked questions
- What is Alyssa Duffield's NPI number?
- Alyssa Duffield's National Provider Identifier (NPI) is 1881124931, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alyssa Duffield's specialty?
- Alyssa Duffield is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Alyssa Duffield located?
- Alyssa Duffield's practice location on file with NPPES is 3890 Murphy Canyon Rd Ste 250, San Diego, CA 92123-4408.
- What is Alyssa Duffield's phone number?
- The practice phone number listed in the NPPES registry for Alyssa Duffield is (760) 726-4900.
- Is Alyssa Duffield's NPI active?
- Yes — Alyssa Duffield's NPI (1881124931) is active in the NPPES registry as of the last update on 2024-06-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.