John Carswell, MFT
NPI 1790007425 · Marriage & Family Therapist · San Diego, CA
John Carswell, MFT is a Marriage & Family Therapist provider in San Diego, CA (NPI 1790007425).
Provider details
- NPI number
- 1790007425
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MFT
- Sex
- Male
- Sole proprietor
- Yes
- License
- MFC47824 (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
16 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
- 2010-02-22
- Last updated
- 2010-02-22
Frequently asked questions
- What is John Carswell's NPI number?
- John Carswell's National Provider Identifier (NPI) is 1790007425, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Carswell's specialty?
- John Carswell is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is John Carswell located?
- John Carswell's practice location on file with NPPES is 4565 Ruffner St, San Diego, CA 92111-2262.
- What is John Carswell's phone number?
- The practice phone number listed in the NPPES registry for John Carswell is (619) 892-9092.
- Is John Carswell's NPI active?
- Yes — John Carswell's NPI (1790007425) is active in the NPPES registry as of the last update on 2010-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.