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

John McMahon, LCSW

Individual provider Mental Health Counselor · NPI 1033399118

John McMahon, LCSW is a Mental Health Counselor in Columbus, Mississippi. Licensed in Mississippi. Registered with an NPI since 2007.

Licensed in
MS
In the registry since
2007
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Practice location Address checks out

1001 Main St
Columbus, MS 39701-4751
Phone: (662) 328-9225
Fax: (662) 328-4735
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence C5895 (MS)

Record details

NPI number1033399118
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedNovember 6, 2007
Last updated in NPPESOctober 26, 2010
Mailing address1032 State Hwy 50 W, West Point, MS 39773

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