John Walker, CAC II
NPI 1720916661 · Addiction (Substance Use Disorder) Counselor · Loganville, GA
John Walker, CAC II is a Addiction (Substance Use Disorder) Counselor provider in Loganville, GA (NPI 1720916661).
Provider details
- NPI number
- 1720916661
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CAC II
- Sex
- Male
- Sole proprietor
- Yes
- License
- 3544-R (GA)
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
Under 1 yr in 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
- 2026-05-11
- Last updated
- 2026-05-11
- Certified
- 2026-05-11
Frequently asked questions
- What is John Walker's NPI number?
- John Walker's National Provider Identifier (NPI) is 1720916661, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Walker's specialty?
- John Walker is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is John Walker located?
- John Walker's practice location on file with NPPES is 3543 Highway 81 # 201, Loganville, GA 30052-4336.
- What is John Walker's phone number?
- The practice phone number listed in the NPPES registry for John Walker is (770) 580-1988.
- Is John Walker's NPI active?
- Yes — John Walker's NPI (1720916661) is active in the NPPES registry as of the last update on 2026-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.