1. Home
  2. Directory
  3. Virginia
  4. Alexandria
  5. Speech Language Pathologist
  6. NPI Profile

THESSALIA MARIE NIKOLAIDIS MA, CCC-SLP
NPI 1255068599
Speech-Language Pathologist in Alexandria, VA

Active since August 05, 2022
5632 MOUNT VERNON MEMORIAL HWY, ALEXANDRIA, VA 22309(703) 766-8708 Get Directions Write a Review

NPPES record last updated: May 8, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: May 8, 2026, Aug 8, 2022, Aug 5, 2022 (3 updates tracked since 2022).

About Thessalia Marie Nikolaidis Ma, Ccc-slp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

THESSALIA MARIE NIKOLAIDIS MA, CCC-SLP (NPI 1255068599) is an individual speech-language pathologist provider in Alexandria, Virginia, licensed in Virginia (2202012456) and active in the NPI registry since August 2022.

NPPES Registry Identity

NPI1255068599
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameTHESSALIA MARIE NIKOLAIDISCredential: MA, CCC-SLP
Location Address5632 MOUNT VERNON MEMORIAL HWYAlexandria, VA 22309-1502
Mailing Address5632 Mount Vernon Memorial HwyAlexandria, VA 22309-1502
Phone(703) 766-8708
Sole ProprietorNo
Enumeration DateAugust 5, 2022
Last NPPES UpdateMay 8, 20263 updates tracked since enumeration
NPPES CertifiedMay 8, 2026
✔ NPI 1255068599 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
License✔ Licensed in VA · 2202012456
Definition

The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.

5632 MOUNT VERNON MEMORIAL HWY, Alexandria, VA 22309
Open in Google Maps ↗

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SUSAN GROSS M.A., B.C.B.A.
Behavior Analyst
5632 MOUNT VERNON MEMORIAL HWY
ALEXANDRIA, VA 22309
Fairfax County (703) 766-8708
AYAAN MAYERS-WALKER
Social Worker
5632 MOUNT VERNON MEMORIAL HWY
ALEXANDRIA, VA 22309
Fairfax County (703) 766-8708
ALTERNATIVE PATHS TRAINING SCHOOL
Voluntary or Charitable
5632 MOUNT VERNON MEMORIAL HWY
ALEXANDRIA, VA 22309
Fairfax County (703) 766-8708
MS. LAURA CARR B.C.B.A.
Behavior Analyst
5632 MOUNT VERNON MEMORIAL HWY
ALEXANDRIA, VA 22309
Fairfax County (703) 766-8708
KATHERINE LEAH KAUFMAN OTR/L
Occupational Therapist (Pediatrics)
5632 MOUNT VERNON MEMORIAL HWY
ALEXANDRIA, VA 22309
Fairfax County (703) 766-8708
CYNTHIA BODNAR M.A., B.C.B.A.
Behavior Analyst
5632 MOUNT VERNON MEMORIAL HWY
ALEXANDRIA, VA 22309
Fairfax County (571) 220-6930
MR. ALAN EL TAGI B.C.B.A.
Behavior Analyst
5632 MOUNT VERNON MEMORIAL HWY
ALEXANDRIA, VA 22309
Fairfax County (703) 766-8708

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thessalia Nikolaidis's NPI number?

The NPI number for Thessalia Nikolaidis is 1255068599. It was assigned to this individual provider in the NPPES registry on August 5, 2022.

Where is Thessalia Nikolaidis located?

Thessalia Nikolaidis practices at 5632 Mount Vernon Memorial Hwy, Alexandria, VA 22309. The listed phone number is (703) 766-8708.

What is Thessalia Nikolaidis's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

When was this NPI record last updated?

The NPPES record for Thessalia Nikolaidis was last updated on May 8, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.