Wayne Grigsby, CADAC
NPI 1740474220 · Addiction (Substance Use Disorder) Counselor · Berkeley, CA
Wayne Grigsby, CADAC is a Addiction (Substance Use Disorder) Counselor provider in Berkeley, CA (NPI 1740474220).
Provider details
- NPI number
- 1740474220
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CADAC
- Sex
- Male
- Sole proprietor
- No
- License
- I2011506 (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
18 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
- 2007-08-28
- Last updated
- 2016-08-25
Frequently asked questions
- What is Wayne Grigsby's NPI number?
- Wayne Grigsby's National Provider Identifier (NPI) is 1740474220, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wayne Grigsby's specialty?
- Wayne Grigsby is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Wayne Grigsby located?
- Wayne Grigsby's practice location on file with NPPES is 1931 Center St, Berkeley, CA 94704-1105.
- What is Wayne Grigsby's phone number?
- The practice phone number listed in the NPPES registry for Wayne Grigsby is (510) 666-9552.
- Is Wayne Grigsby's NPI active?
- Yes — Wayne Grigsby's NPI (1740474220) is active in the NPPES registry as of the last update on 2016-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.