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

Mr. Mark A Johnson Sr., LCSW, LCDC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1811238587

Mr. Mark A Johnson Sr., LCSW, LCDC is an Addiction (Substance Use Disorder) Counselor in North las Vegas, Nevada. Licensed in California, Texas and Vermont. Registered with an NPI since 2013.

Licensed in
CA, TX, VT
In the registry since
2013
Specialties on file
4
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

6900 N Pecos Rd
North las Vegas, NV 89086-4400
Phone: (702) 791-9000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 97416 (CA)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 14357 (TX)
Clinical Social Worker Taxonomy 1041C0700X · Licence 60924 (TX)
Clinical Social Worker Taxonomy 1041C0700X · Licence 089.0134242 (VT)

Record details

NPI number1811238587
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW , LCDC
Sole proprietorNo
NPI enumeratedMarch 6, 2013
Last updated in NPPESDecember 15, 2023
Certification dateDecember 15, 2023

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