1. Home
  2. Directory
  3. Virginia
  4. Herndon
  5. Counselor
  6. NPI Profile

MAHER MASSIS
NPI 1023905858
Counselor - Mental Health in Herndon, VA

Active since June 23, 2025
13655 DULLES TECHNOLOGY DR STE 120, HERNDON, VA 20171(571) 665-4025 Get Directions Write a Review

NPPES record last updated: June 23, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Maher Massis NPPES

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

MAHER MASSIS (NPI 1023905858) is an individual mental health provider in Herndon, Virginia, licensed in Virginia (0704018169) and active in the NPI registry since June 2025.

NPPES Registry Identity

NPI1023905858
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameMAHER MASSIS
Location Address13655 DULLES TECHNOLOGY DR STE 120Herndon, VA 20171-4634
Mailing Address13582 Big Boulder RdHerndon, VA 20171-5000 · (571) 236-7588
Phone(571) 665-4025
Sole ProprietorNo
Enumeration DateJune 23, 2025
NPPES CertifiedJune 23, 2025
✔ NPI 1023905858 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in VA · 0704018169
Also ListedCounselor · ProfessionalTaxonomy 101YP2500X · License 0704018169 (VA)
13655 DULLES TECHNOLOGY DR STE 120, Herndon, VA 20171
Open in Google Maps ↗

Other Providers at the Same Location NPPES 9

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

MISS ALEXIS MARIE VICCHIO MS
Art Therapist
13655 DULLES TECHNOLOGY DR STE 120
HERNDON, VA 20171
Fairfax County (571) 665-4025
KRISTINE L PANTKE MSW, LCSW
Social Worker (Clinical)
13655 DULLES TECHNOLOGY DR STE 120
HERNDON, VA 20171
Fairfax County (571) 665-4025
KATHRYN NIVERA MSW
Social Worker (Clinical)
13655 DULLES TECHNOLOGY DR STE 120
HERNDON, VA 20171
Fairfax County (703) 627-2426
VICTORIA LAUREN SPENCER
Social Worker (Clinical)
13655 DULLES TECHNOLOGY DR STE 120
HERNDON, VA 20171
Fairfax County (571) 665-4025
KARINA COVEY
Counselor (Mental Health)
13655 DULLES TECHNOLOGY DR STE 120
HERNDON, VA 20171
Fairfax County (571) 665-4025
KAYLA EVANS
Counselor (Professional)
13655 DULLES TECHNOLOGY DR STE 120
HERNDON, VA 20171
Fairfax County (703) 949-4713
HANNAH ELIZABETH SLATTERY
Counselor (Mental Health)
13655 DULLES TECHNOLOGY DR STE 120
HERNDON, VA 20171
Fairfax County (781) 541-0949
AFSHAR BROTHERS INC.
Clinic/Center (Mental Health (Including Community Mental Health Center))
13655 DULLES TECHNOLOGY DR STE 120
HERNDON, VA 20171
Fairfax County (571) 665-4025

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 Maher Massis's NPI number?

The NPI number for Maher Massis is 1023905858. It was assigned to this individual provider in the NPPES registry on June 23, 2025.

Where is Maher Massis located?

Maher Massis practices at 13655 Dulles Technology Dr Ste 120, Herndon, VA 20171. The listed phone number is (571) 665-4025.

What is Maher Massis's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Maher Massis was last updated on June 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.