John Williamson
About this NPIWhat this record shows.
NPI 1205773652 is registered to John Williamson, a Addiction Counselor practising at 27 E Russell St Ste 200 in Columbus, Ohio. Addiction Counselor is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. John Williamson has been enumerated in the National Provider Identifier (NPI) registry since 2026.
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Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans John Williamson accepts. To confirm in-network status with your specific health plan, contact John Williamson directly at (614) 285-6263.
Frequently asked
Yes. NPI 1205773652 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Addiction Counselor is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (614) 285-6263.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. John Williamson is a Type-1 individual NPI.