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

Mary Katherine Johnson, MS, CCC-SLP

Individual provider Speech-Language Pathologist · NPI 1285116624

Mary Katherine Johnson, MS, CCC-SLP is a Speech-Language Pathologist in Quincy, Massachusetts. Works from 2 locations. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2018
What do these letters mean?
MS — Master of Science
A graduate science 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 →

Practice location Address checks out

2 Moon Island Rd
Quincy, MA 02171
Phone: (781) 864-9049
Show map & directions

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

Additional practice locations (1)

  • 163 Libbey Industrial Pkwy, Weymouth, MA 02189-3137 — (781) 335-6663

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X · Licence 77343-SP-SL (MA)

Record details

NPI number1285116624
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , CCC-SLP
Sole proprietorNo
NPI enumeratedSeptember 2, 2018
Last updated in NPPESMay 6, 2021
Certification dateMay 6, 2021

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