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

Marion Callahan, LCDC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1568906006

Marion Callahan, LCDC is an Addiction (Substance Use Disorder) Counselor in Round Rock, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2016

Practice location Address checks out

1009 N Georgetown St
Round Rock, TX 78664-3289
Phone: (512) 255-1720
Fax: (512) 597-2141
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 11790 (TX)

Record details

NPI number1568906006
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCDC
Sole proprietorYes
NPI enumeratedDecember 16, 2016
Last updated in NPPESDecember 16, 2016

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