John-Robert Walker, CDCA
NPI 1740026590 · Addiction (Substance Use Disorder) Counselor · Circleville, OH
John-Robert Walker, CDCA is a Addiction (Substance Use Disorder) Counselor provider in Circleville, OH (NPI 1740026590).
Provider details
- NPI number
- 1740026590
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CDCA
- Sex
- Male
- Sole proprietor
- Yes
- License
- CDCA.190169 (OH)
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
1 yr 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
- 2024-07-02
- Last updated
- 2026-01-06
- Certified
- 2026-01-06
Frequently asked questions
- What is John-Robert Walker's NPI number?
- John-Robert Walker's National Provider Identifier (NPI) is 1740026590, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John-Robert Walker's specialty?
- John-Robert 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-Robert Walker located?
- John-Robert Walker's practice location on file with NPPES is 327 E Mill St, Circleville, OH 43113-2029.
- What is John-Robert Walker's phone number?
- The practice phone number listed in the NPPES registry for John-Robert Walker is (740) 500-1402.
- Is John-Robert Walker's NPI active?
- Yes — John-Robert Walker's NPI (1740026590) is active in the NPPES registry as of the last update on 2026-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.