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

Mr. Mark Gregory Sheppard I, LCDC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1659535821

Mr. Mark Gregory Sheppard I, LCDC is an Addiction (Substance Use Disorder) Counselor in Plano, Texas. Licensed in Texas. Registered with an NPI since 2008.

Licensed in
TX
In the registry since
2008

Practice location Address checks out

3131 Custer Rd 265
Plano, TX 75075-4419
Phone: (972) 985-7565
Fax: (888) 664-0571
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 9006 (TX)

Record details

NPI number1659535821
Entity typeIndividual (Type 1)
GenderMale
Credentials LCDC
Sole proprietorNo
NPI enumeratedJuly 16, 2008
Last updated in NPPESJuly 16, 2008
Mailing address3131 Custer Rd, 265, Plano, TX 75075-4419

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