Mark Gass
NPI 1679069389 · Addiction (Substance Use Disorder) Counselor · Vista, CA
Mark Gass is a Addiction (Substance Use Disorder) Counselor provider in Vista, CA (NPI 1679069389).
Provider details
- NPI number
- 1679069389
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
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
7 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
- 2018-07-05
- Last updated
- 2018-07-05
Frequently asked questions
- What is Mark Gass's NPI number?
- Mark Gass's National Provider Identifier (NPI) is 1679069389, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Gass's specialty?
- Mark Gass is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Gass located?
- Mark Gass's practice location on file with NPPES is 993 Postal Way, Vista, CA 92083-6945.
- What is Mark Gass's phone number?
- The practice phone number listed in the NPPES registry for Mark Gass is (760) 630-9922.
- Is Mark Gass's NPI active?
- Yes — Mark Gass's NPI (1679069389) is active in the NPPES registry as of the last update on 2018-07-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.