Theresa De Long, MFT
NPI 1447592555 · Marriage & Family Therapist · Santa Monica, CA
Theresa De Long, MFT is a Marriage & Family Therapist provider in Santa Monica, CA (NPI 1447592555).
Provider details
- NPI number
- 1447592555
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MFT
- 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
13 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
- 2013-03-27
- Last updated
- 2018-07-09
Frequently asked questions
- What is Theresa De Long's NPI number?
- Theresa De Long's National Provider Identifier (NPI) is 1447592555, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theresa De Long's specialty?
- Theresa De Long is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Theresa De Long located?
- Theresa De Long's practice location on file with NPPES is 2730 Wilshire Blvd, Santa Monica, CA 90403.
- What is Theresa De Long's phone number?
- The practice phone number listed in the NPPES registry for Theresa De Long is (310) 383-0779.
- Is Theresa De Long's NPI active?
- Yes — Theresa De Long's NPI (1447592555) is active in the NPPES registry as of the last update on 2018-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.