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

Mr. Mark Timothy Williams, LISW, LCSW, LADAC

Individual provider Clinical Social Worker · NPI 1952383762

Mr. Mark Timothy Williams, LISW, LCSW, LADAC is a Clinical Social Worker in Las Cruces, New Mexico. Practices as a sole proprietor. Licensed in New Mexico.

Licensed in
NM
In the registry since
2005
Specialties on file
2
What do these letters mean?
LISW — Licensed Independent Social Worker
A social worker licensed to practise independently.
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

3118 Fairway Dr
Las Cruces, NM 88011-4915
Phone: (575) 649-3076
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence I-06223 (NM)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 0110541 (NM)

Record details

NPI number1952383762
Entity typeIndividual (Type 1)
GenderMale
Credentials LISW , LCSW , LADAC
Sole proprietorYes
NPI enumeratedNovember 17, 2005
Last updated in NPPESApril 13, 2012

Other providers in Las Cruces