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

Mr. Mark Alyn Montgomery, LPC, LISAC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1851478564

Mr. Mark Alyn Montgomery, LPC, LISAC is an Addiction (Substance Use Disorder) Counselor in Mesa, Arizona. Licensed in Arizona. Registered with an NPI since 2006.

Licensed in
AZ
In the registry since
2006
Specialties on file
2
What do these letters mean?
LPC — Licensed Professional Counselor
A licensed mental health counsellor.

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Practice location Address checks out

4554 E Inverness Ave C-108
Mesa, AZ 85206-4639
Phone: (480) 330-5031
Fax: (480) 926-2326
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 LISAC-1677 (AZ)
Mental Health Counselor Taxonomy 101YM0800X · Licence LPC-2087 (AZ)

Record details

NPI number1851478564
Entity typeIndividual (Type 1)
GenderMale
Credentials LPC , LISAC
Sole proprietorNo
NPI enumeratedNovember 1, 2006
Last updated in NPPESSeptember 11, 2025

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