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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

THERESA A. COURTILLET LPC
NPI 1487604237
Counselor - Professional in Fairfax, VA

Active since May 11, 2006
9506B LEE HWY, FAIRFAX, VA 22031(703) 273-6800(703) 273-2038 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Theresa A. Courtillet Lpc NPPES

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

THERESA A. COURTILLET LPC (NPI 1487604237) is an individual professional provider in Fairfax, Virginia, licensed in Virginia (0701003042) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1487604237
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameTHERESA A. COURTILLETCredential: LPC
Location Address9506B LEE HWYFairfax, VA 22031-2303
Mailing Address5318 Foxboro CtAlexandria, VA 22315-4209 · (703) 273-6800 · Fax (703) 273-2038
Phone(703) 273-6800
Fax(703) 273-2038
Sole ProprietorNo
Enumeration DateMay 11, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1487604237 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License✔ Licensed in VA · 0701003042
9506B LEE HWY, Fairfax, VA 22031
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Other Providers at the Same Location NPPES 6

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

MS. ANDREA J. FATA LPC
Counselor (Mental Health)
9506B LEE HWY
FAIRFAX, VA 22031
Fairfax County (703) 343-6611
SHEREE LEVITSKY LCSW
Social Worker (Clinical)
9506B LEE HWY, FAIRFAX PLAZA OFFICE PARK
FAIRFAX, VA 22031
Fairfax County (703) 424-5118
MS. KAREN PATTERSON OREM MS, LPC, MAC
Counselor (Professional)
9506B LEE HWY
FAIRFAX, VA 22031
Fairfax County (703) 273-6800
HARBOR COUNSELING & CONSULTATION
Counselor (Mental Health)
9506B LEE HWY
FAIRFAX, VA 22031
Fairfax County (703) 273-6800
SUZIN K. ARCE LPC
Counselor (Mental Health)
9506B LEE HWY
FAIRFAX, VA 22031
Fairfax County (703) 273-6800
DR. HARRISON NGUYEN M.D.
Psychiatry & Neurology (Psychiatry)
9506B LEE HWY
FAIRFAX, VA 22031
Fairfax County (571) 279-0409

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 Theresa Courtillet's NPI number?

The NPI number for Theresa Courtillet is 1487604237. It was assigned to this individual provider in the NPPES registry on May 11, 2006.

Where is Theresa Courtillet located?

Theresa Courtillet practices at 9506B Lee Hwy, Fairfax, VA 22031. The listed phone number is (703) 273-6800.

What is Theresa Courtillet's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

When was this NPI record last updated?

The NPPES record for Theresa Courtillet was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 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.