1. Home
  2. Directory
  3. Virginia
  4. Reston
  5. Counselor
  6. NPI Profile
Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

BARRY VASSAR
NPI 1558279687
Counselor - Mental Health in Reston, VA

Active since August 31, 2026
12020 SUNRISE VALLEY DR STE 100, RESTON, VA 20191(804) 822-7594 Get Directions Write a Review

NPPES record added: August 31, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Barry Vassar NPPES

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

BARRY VASSAR (NPI 1558279687) is an individual mental health provider in Reston, Virginia, licensed in Virginia (0704008157) and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1558279687
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameBARRY VASSAR
Location Address12020 SUNRISE VALLEY DR STE 100Reston, VA 20191-3429
Mailing Address68 Pinegrove RdCumberland, VA 23040-2110 · (804) 822-7594
Phone(804) 822-7594
Sole ProprietorYes
Enumeration DateAugust 31, 2026
NPPES CertifiedAugust 31, 2026
✔ NPI 1558279687 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in VA · 0704008157
12020 SUNRISE VALLEY DR STE 100, Reston, VA 20191
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 20

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

CAITLIN ANNELISE SROCK-GRAHAM LCSW
Social Worker (Clinical)
12020 SUNRISE VALLEY DR STE 100
RESTON, VA 20191
Fairfax County (646) 941-7645
JASLYNN GILES LPC
Counselor (Professional)
12020 SUNRISE VALLEY DR STE 100
RESTON, VA 20191
Fairfax County (646) 941-7645
JOSSY IVET SANTOS LCSW
Social Worker (Clinical)
12020 SUNRISE VALLEY DR STE 100
RESTON, VA 20191
Fairfax County (571) 563-7545
DR. ANJU BHARGAVA CORBISHDALE PH.D.
Psychologist (Clinical)
12020 SUNRISE VALLEY DR STE 100
RESTON, VA 20191
Fairfax County (253) 201-0987
KATY B PROFFITT LCSW
Social Worker (Clinical)
12020 SUNRISE VALLEY DR STE 100
RESTON, VA 20191
Fairfax County (646) 941-7645
KATHERINE EPPS LCSW
Social Worker (Clinical)
12020 SUNRISE VALLEY DR STE 100
RESTON, VA 20191
Fairfax County (646) 941-7645
ALEXANDRA BREZINSKY
Counselor (Professional)
12020 SUNRISE VALLEY DR STE 100
RESTON, VA 20191
Fairfax County (646) 941-7645
MS. KAREN ROBERTS
Social Worker (Clinical)
12020 SUNRISE VALLEY DR STE 100
RESTON, VA 20191
Fairfax County (646) 941-7645

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 Barry Vassar's NPI number?

The NPI number for Barry Vassar is 1558279687. It was assigned to this individual provider in the NPPES registry on August 31, 2026.

Where is Barry Vassar located?

Barry Vassar practices at 12020 Sunrise Valley Dr Ste 100, Reston, VA 20191. The listed phone number is (804) 822-7594.

What is Barry Vassar'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 Barry Vassar was last updated on August 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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.