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

Margaret Sullivan Holladay, MCD, CCC-SLP

Individual provider Speech-Language Pathologist · NPI 1821569831

Margaret Sullivan Holladay, MCD, CCC-SLP is a Speech-Language Pathologist in Huntsville, Alabama. Licensed in Alabama. Registered with an NPI since 2018.

Licensed in
AL
In the registry since
2018
What do these letters mean?
CCC-SLP — Certificate of Clinical Competence in Speech-Language Pathology
A speech-language pathologist certified by ASHA.

See every abbreviation used in this directory →

Practice location Address checks out

107 Governors Dr SW Unit 101
Huntsville, AL 35801-4326
Phone: (256) 265-7952
Show map & directions

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

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X · Licence 4156 (AL)

Record details

NPI number1821569831
Entity typeIndividual (Type 1)
GenderFemale
Credentials MCD , CCC-SLP
Sole proprietorNo
NPI enumeratedDecember 17, 2018
Last updated in NPPESJanuary 18, 2026
Certification dateJanuary 18, 2026

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