Matthew Grisso, SUDCC
NPI 1881422236 · Addiction (Substance Use Disorder) Counselor · Hayward, CA
Matthew Grisso, SUDCC is a Addiction (Substance Use Disorder) Counselor provider in Hayward, CA (NPI 1881422236).
Provider details
- NPI number
- 1881422236
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- SUDCC
- Sex
- Male
- Sole proprietor
- No
- License
- 10070 (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
1 yr in NPPES registry
- Profile completeness38% of score
100% 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)
- 6330 Thornton AveNewark, CA 94560-3734Phone: (510) 792-4357
Registry dates
- Enumerated
- 2024-07-25
- Last updated
- 2024-07-25
- Certified
- 2024-07-25
Frequently asked questions
- What is Matthew Grisso's NPI number?
- Matthew Grisso's National Provider Identifier (NPI) is 1881422236, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Grisso's specialty?
- Matthew Grisso is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Matthew Grisso located?
- Matthew Grisso's practice location on file with NPPES is 107 Jackson St, Hayward, CA 94544-1948.
- What is Matthew Grisso's phone number?
- The practice phone number listed in the NPPES registry for Matthew Grisso is (510) 886-8696.
- Is Matthew Grisso's NPI active?
- Yes — Matthew Grisso's NPI (1881422236) is active in the NPPES registry as of the last update on 2024-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.