Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MR. JOHN D WALKER CAC II
NPI 1720916661
Counselor - Addiction (Substance Use Disorder) in Loganville, GA

Active since May 11, 2026
3543 HIGHWAY 81 # 201, LOGANVILLE, GA 30052(770) 580-1988 Get Directions Write a Review

NPPES record added: May 11, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. John D Walker Cac Ii NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. JOHN D WALKER CAC II (NPI 1720916661) is an individual addiction (substance use disorder) provider in Loganville, Georgia, licensed in Georgia (3544-R) and active in the NPI registry since May 2026.

NPPES Registry Identity

NPI1720916661
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameMR. JOHN D WALKERCredential: CAC II
Location Address3543 HIGHWAY 81 # 201Loganville, GA 30052-4336
Mailing Address1120 Stonecreek BndMonroe, GA 30655-6637 · (770) 580-1988
Sole ProprietorYes
Enumeration DateMay 11, 2026
NPPES CertifiedMay 11, 2026
NPI 1720916661 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License Licensed in GA · 3544-R
3543 HIGHWAY 81 # 201, Loganville, GA 30052

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Counselor (Addiction (Substance Use Disorder))
3543 HIGHWAY 81 # 201
LOGANVILLE, GA 30052
Counselor
3543 HIGHWAY 81 # 201
LOGANVILLE, GA 30052
Nurse Practitioner (Gerontology)
3543 HIGHWAY 81 # 201
LOGANVILLE, GA 30052
Counselor (Addiction (Substance Use Disorder))
3543 HIGHWAY 81 # 201
LOGANVILLE, GA 30052
Nurse Practitioner (Primary Care)
3543 HIGHWAY 81 # 201
LOGANVILLE, GA 30052

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Walker's NPI number?

The NPI number for John Walker is 1720916661. It was assigned to this individual provider in the NPPES registry on May 11, 2026.

Where is John Walker located?

John Walker practices at 3543 Highway 81 # 201, Loganville, GA 30052. The listed phone number is (770) 580-1988.

What is John Walker's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for John Walker was last updated on May 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.