Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

James Malcolm Duncan

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1720556020

James Malcolm Duncan is an Addiction (Substance Use Disorder) Counselor in Columbus, Ohio. Practices as a sole proprietor. Licensed in Ohio.

Licensed in
OH
In the registry since
2018

Practice location Address checks out

16 W Long St
Columbus, OH 43215-2815
Phone: (614) 225-0980
Fax: (614) 225-0986
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence 167096 (OH)

Record details

NPI number1720556020
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedNovember 5, 2018
Last updated in NPPESNovember 5, 2018

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