Donald Walker, CAS, II
NPI 1982882643 · Addiction (Substance Use Disorder) Counselor · Fresno, CA
Donald Walker, CAS, II is a Addiction (Substance Use Disorder) Counselor provider in Fresno, CA (NPI 1982882643).
Provider details
- NPI number
- 1982882643
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CAS, II
- Sex
- Male
- Sole proprietor
- No
- License
- 02-041211 (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
- 2008-02-05
- Last updated
- 2008-02-05
Frequently asked questions
- What is Donald Walker's NPI number?
- Donald Walker's National Provider Identifier (NPI) is 1982882643, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Walker's specialty?
- Donald Walker is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Donald Walker located?
- Donald Walker's practice location on file with NPPES is 2302 Martin L King Jr Blvd, Fresno, CA 93706-4135.
- What is Donald Walker's phone number?
- The practice phone number listed in the NPPES registry for Donald Walker is (559) 442-0400.
- Is Donald Walker's NPI active?
- Yes — Donald Walker's NPI (1982882643) is active in the NPPES registry as of the last update on 2008-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.