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JOHN-ROBERT WILLIAMS WALKER CDCA
NPI 1740026590
Counselor - Addiction (Substance Use Disorder) in Circleville, OH

Active since July 02, 2024
327 E MILL ST, CIRCLEVILLE, OH 43113(740) 500-1402 Get Directions Write a Review

NPPES record last updated: January 6, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Jan 6, 2026, Jul 2, 2024 (2 updates tracked since 2024).

About John-robert Williams Walker Cdca NPPES

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

JOHN-ROBERT WILLIAMS WALKER CDCA (NPI 1740026590) is an individual addiction (substance use disorder) provider in Circleville, Ohio, licensed in Ohio (CDCA.190169) and active in the NPI registry since July 2024.

NPPES Registry Identity

NPI1740026590
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameJOHN-ROBERT WILLIAMS WALKERCredential: CDCA
Location Address327 E MILL STCircleville, OH 43113-2029
Mailing Address653 E Mound StCircleville, OH 43113-1865 · (740) 601-8064
Phone(740) 500-1402
Sole ProprietorYes
Enumeration DateJuly 2, 2024
Last NPPES UpdateJanuary 6, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 6, 2026
✔ NPI 1740026590 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 OH · CDCA.190169
327 E MILL ST, Circleville, OH 43113
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Other Providers at the Same Location NPPES 20

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

JUDSON SCOTT KARSHNER
Counselor (Addiction (Substance Use Disorder))
327 E MILL ST
CIRCLEVILLE, OH 43113
Pickaway County (740) 500-1402
CASSANDRA NICOLE PATTERSON
Counselor (Addiction (Substance Use Disorder))
327 E MILL ST
CIRCLEVILLE, OH 43113
Pickaway County (740) 500-1402
MEGHAN TAYLOR
Counselor (Addiction (Substance Use Disorder))
327 E MILL ST
CIRCLEVILLE, OH 43113
Pickaway County (740) 477-1745
BRIAN GRAHAM
Case Manager/Care Coordinator
327 E MILL ST
CIRCLEVILLE, OH 43113
Pickaway County (740) 500-1402
MR. BRIAN LEE ARNOLD
Rehabilitation Practitioner
327 E MILL ST
CIRCLEVILLE, OH 43113
Pickaway County (740) 500-1402
DAVID HARDING CDCA.191724
Counselor (Addiction (Substance Use Disorder))
327 E MILL ST
CIRCLEVILLE, OH 43113
Pickaway County (740) 500-1402
TIFFANY GOODLING
Counselor (Addiction (Substance Use Disorder))
327 E MILL ST
CIRCLEVILLE, OH 43113
Pickaway County (740) 500-1402
KAYLA LEIGH PENNINGTON CM
Case Manager/Care Coordinator
327 E MILL ST
CIRCLEVILLE, OH 43113
Pickaway County (740) 500-1402

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-robert Walker's NPI number?

The NPI number for John-robert Walker is 1740026590. It was assigned to this individual provider in the NPPES registry on July 2, 2024.

Where is John-robert Walker located?

John-robert Walker practices at 327 E Mill St, Circleville, OH 43113. The listed phone number is (740) 500-1402.

What is John-robert 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-robert Walker was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.