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

Joseph Schlag, MA, CCC-SLP

Individual provider Speech-Language Pathologist · NPI 1770554529

Joseph Schlag, MA, CCC-SLP is a Speech-Language Pathologist in Frederick, Maryland. Licensed in Maryland. Registered with an NPI since 2006.

Licensed in
MD
In the registry since
2006
What do these letters mean?
MA — Master of Arts
A graduate arts degree.
CCC-SLP — Certificate of Clinical Competence in Speech-Language Pathology
A speech-language pathologist certified by ASHA.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1636 Wheyfield Dr
Frederick, MD 21701-9336
Phone: (412) 973-2242
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X · Licence 04285 (MD)

Record details

NPI number1770554529
Entity typeIndividual (Type 1)
GenderMale
Credentials MA , CCC-SLP
Sole proprietorNo
NPI enumeratedJanuary 30, 2006
Last updated in NPPESNovember 21, 2018

Other providers in Frederick