Jason Mason
NPI 1386949519 · Addiction (Substance Use Disorder) Counselor · Fresno, CA
Jason Mason is a Addiction (Substance Use Disorder) Counselor provider in Fresno, CA (NPI 1386949519).
Provider details
- NPI number
- 1386949519
- 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
- Case Manager/Care Coordinator171M00000X
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 3435 W Shaw AveSte 101Fresno, CA 93711-3234Phone: (559) 213-5273
Registry dates
- Enumerated
- 2011-01-19
- Last updated
- 2022-07-21
Frequently asked questions
- What is Jason Mason's NPI number?
- Jason Mason's National Provider Identifier (NPI) is 1386949519, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Mason's specialty?
- Jason Mason is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Jason Mason located?
- Jason Mason's practice location on file with NPPES is 4630 W Jacquelyn Ave Ste 116, Fresno, CA 93722-6431.
- What is Jason Mason's phone number?
- The practice phone number listed in the NPPES registry for Jason Mason is (559) 275-2324.
- Is Jason Mason's NPI active?
- Yes — Jason Mason's NPI (1386949519) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.