Harrison Stewart, CATC
NPI 1215488234 · Addiction (Substance Use Disorder) Counselor · Martinez, CA
Harrison Stewart, CATC is a Addiction (Substance Use Disorder) Counselor provider in Martinez, CA (NPI 1215488234).
Provider details
- NPI number
- 1215488234
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CATC
- Sex
- Male
- Sole proprietor
- Yes
- License
- CATC 168783 (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
9 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
- 2016-10-14
- Last updated
- 2016-10-14
Frequently asked questions
- What is Harrison Stewart's NPI number?
- Harrison Stewart's National Provider Identifier (NPI) is 1215488234, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harrison Stewart's specialty?
- Harrison Stewart is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Harrison Stewart located?
- Harrison Stewart's practice location on file with NPPES is 4645 Pacheco Blvd, Martinez, CA 94553-3625.
- What is Harrison Stewart's phone number?
- The practice phone number listed in the NPPES registry for Harrison Stewart is (925) 646-9270.
- Is Harrison Stewart's NPI active?
- Yes — Harrison Stewart's NPI (1215488234) is active in the NPPES registry as of the last update on 2016-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.