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

Mr. Gary Craig Mertz, SLP

Individual provider Speech-Language Pathologist · NPI 1205906534

Mr. Gary Craig Mertz, SLP is a Speech-Language Pathologist in Waynesboro, Pennsylvania. Works from 3 locations. Licensed in Maryland, Pennsylvania and Virginia.

Licensed in
MD, PA, VA
In the registry since
2006
Specialties on file
3
What do these letters mean?
SLP — Speech-Language Pathologist
Treats speech, language and swallowing disorders.

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Practice location Address checks out

120 W Main St
Waynesboro, PA 17268
Phone: (814) 977-8339
Show map & directions

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

Additional practice locations (2)

  • 157 Baltimore St, Cumberland, MD 21502-2319 — (301) 722-3215
  • 157 Baltimore St, Cumberland, MD 21502-2319 — (301) 722-3215

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X · Licence 04723 (MD)
Speech-Language Pathologist Taxonomy 235Z00000X · Licence 2202004610 (VA)
Speech-Language Pathologist Taxonomy 235Z00000X · Licence SL005045L (PA)

Record details

NPI number1205906534
Entity typeIndividual (Type 1)
GenderMale
Credentials SLP
Sole proprietorNo
NPI enumeratedNovember 8, 2006
Last updated in NPPESDecember 4, 2019

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