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

Johanna Diaz, MS, CC-SLP

Individual provider Speech-Language Pathologist · NPI 1790171759

Johanna Diaz, MS, CC-SLP is a Speech-Language Pathologist in Silver Spring, Maryland. Practices as a sole proprietor. Licensed in District of Columbia and Maryland.

Licensed in
DC, MD
In the registry since
2015
Specialties on file
2
What do these letters mean?
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

900 Jackson Rd
Silver Spring, MD 20904-2807
Phone: (301) 659-4363
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X · Licence SLP000769 (DC)
Speech-Language Pathologist Taxonomy 235Z00000X · Licence 06519 (MD)

Record details

NPI number1790171759
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , CC-SLP
Sole proprietorYes
NPI enumeratedApril 7, 2015
Last updated in NPPESAugust 23, 2022
Certification dateAugust 23, 2022

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