Organization
MASSIS SPEECH & LANGUAGE PLLC
Active
Organization subpart
No
Provider details
NPI number
Authorized official
PETRA MASSIS M.A., CCC-SLP (OWNER)
(571) 329-2658
Entity
Organization
Contact information
Practice address
209 ELDEN ST STE 204, HERNDON, VA 20170-4846
(571) 329-2658
Mailing address
450 MASSACHUSETTS AVE NW APT 904, WASHINGTON, DC 20001-6220
(571) 329-2658
Taxonomy
Speciality
Code
Description
License number
State
235Z00000X
Speech-Language Pathologist
Primary
—
—
Other
Enumeration date
10/14/2025
Last updated
10/14/2025
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