Mark Coston
Marriage & Family Therapist · Ventura, CA
Mark Coston is a marriage & family therapist with a practice address in Ventura, California, and NPI 1285442640, issued on Dec 18, 2024. Check the license (California 135532, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark Coston
- Primary taxonomy
- Marriage & Family Therapist 106H00000X
- License number
- 135532 CA
Self-reported in NPPES; status is on the state search - Practice location
- 857 E Main St, Ventura, CA 93001
- Phone
- (805) 890-2289
- Enumerated
- Dec 18, 2024
- Record last updated
- Dec 18, 2024
- Entity
- Type 1 · individual
8 nearest marriage & family therapist records → All 59,889 in California → Look up another NPI →
Verify Mark Coston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 135532Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mark Coston among 59,889 marriage & family therapist records in California
Mark Coston is one of 59,889 marriage & family therapist records with a practice address in California. 4% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2024, is newer than 88% of them.
- NPI issued2024 · 88% of these records are older, 7% newer
- In a Medicare fileNo · 4% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2024 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 106H00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
426 marriage & family therapist records list a practice address in Ventura
They are 426 of the 4,435 NPPES records with a practice address in Ventura, and 59,889 marriage & family therapist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 59,889 in California → Every provider in Ventura → Marriage & Family Therapist nationwide →
The 8 marriage & family therapist records with the nearest ZIP codes
- Kali Barber, MFTVentura, CA 930011770662645
- Dana Cinnamon, MSVentura, CA 930011518008812
- Briana Crikelair, MAVentura, CA 930011497814321
- John Dowling, LMFTVentura, CA 930011649303728
- James Dziwak, LMFTVentura, CA 930011477576221
- Hazel Gonzalez, MFTVentura, CA 930011639295090
- Maureen Houtz, M. A., MFTVentura, CA 930011538106364
- Lisa Marie, PH.D., M.A.Ventura, CA 930011679646699
Common questions
What is Mark Coston's NPI number?
Mark Coston's National Provider Identifier (NPI) is 1285442640, issued on Dec 18, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Mark Coston located?
The NPPES record lists a practice address at 857 E Main St, Ventura, CA, 93001. Phone: (805) 890-2289. Providers update this record themselves, so call before visiting.
How can I verify Mark Coston's license?
NPPES lists California license number 135532, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.