IndividualActive
Mark Coston
NPI 1285442640 · Marriage & Family Therapist · Ventura, CA
Mark Coston is a Marriage & Family Therapist provider in Ventura, CA (NPI 1285442640).
Provider details
- NPI number
- 1285442640
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 135532 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(55/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
857 E Main St
Ventura, CA 93001-2907
Phone: (805) 890-2289
Street-level locationGet directions
Mailing address
Po Box 372031
Reseda, CA 91337-2031
Registry dates
- Enumerated
- 2024-12-18
- Last updated
- 2024-12-18
- Certified
- 2024-12-18
Frequently asked questions
- What is Mark Coston's NPI number?
- Mark Coston's National Provider Identifier (NPI) is 1285442640, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Coston's specialty?
- Mark Coston is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Mark Coston located?
- Mark Coston's practice location on file with NPPES is 857 E Main St, Ventura, CA 93001-2907.
- What is Mark Coston's phone number?
- The practice phone number listed in the NPPES registry for Mark Coston is (805) 890-2289.
- Is Mark Coston's NPI active?
- Yes — Mark Coston's NPI (1285442640) is active in the NPPES registry as of the last update on 2024-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.