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

John Addison McGill Jr., LSW

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1043767619

John Addison McGill Jr., LSW is an Addiction (Substance Use Disorder) Counselor in Denver, Colorado. Licensed in Colorado. Registered with an NPI since 2016.

Licensed in
CO
In the registry since
2016
What do these letters mean?
LSW — Licensed Social Worker
A state-licensed social worker.

See every abbreviation used in this directory →

Practice location Address checks out

1801 W 13th Ave
Denver, CO 80204-2407
Phone: (303) 893-4291
Fax: (303) 893-4168
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 LSW.0009921363 (CO)

Record details

NPI number1043767619
Entity typeIndividual (Type 1)
GenderMale
Credentials LSW
Sole proprietorNo
NPI enumeratedSeptember 1, 2016
Last updated in NPPESFebruary 6, 2017

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