MR. VASILIOS A GACIS NCC, LMFT, LPC
NPI 1265548051
Marriage & Family Therapist in Herndon, VA

Q: What is Vasilios Gacis's NPI number?

The NPI number for Vasilios Gacis is 1265548051. It was assigned to this individual provider in the NPPES registry on August 22, 2006.

Q: What is Vasilios Gacis's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Q: When was this NPI record last updated?

The NPPES record for Vasilios Gacis was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.

Active since August 22, 2006PECOS EnrolledAccepts Medicare Assignment

433A CARLISLE DR, HERNDON, VA 20170(703) 481-6001 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Mr. Vasilios A Gacis Ncc, Lmft, Lpc NPPES

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

MR. VASILIOS A GACIS NCC, LMFT, LPC (NPI 1265548051) is an individual marriage & family therapist in Herndon, Virginia, licensed in Virginia (0717001059) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1981).

NPPES Registry Identity

NPI1265548051

Entity TypeIndividualMale

Primary Taxonomy106H00000X

Provider Legal NameMR. VASILIOS A GACISCredential: NCC, LMFT, LPC

Location Address433A CARLISLE DRHerndon, VA 20170-4802

Mailing AddressPo Box 5238Herndon, VA 20172-1916 · (703) 481-6001

Phone(703) 481-6001

Sole ProprietorNo

Medical School CMSOtherGraduated 1981

Enumeration DateAugust 22, 2006

Last NPPES UpdateSeptember 11, 2025

✔ NPI 1265548051 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers

Taxonomy Code106H00000X

License✔ Licensed in VA · 0717001059

Definition

A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.

Also ListedCounselor · ProfessionalTaxonomy 101YP2500X · License 0701003468 (VA)

433A CARLISLE DR, Herndon, VA 20170

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Vasilios A Gacis Ncc, Lmft, Lpc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4880194612

PECOS Enrollment IDI20250825004063

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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 Vasilios Gacis's NPI number?

The NPI number for Vasilios Gacis is 1265548051. It was assigned to this individual provider in the NPPES registry on August 22, 2006.

Where is Vasilios Gacis located?

Vasilios Gacis practices at 433A Carlisle Dr, Herndon, VA 20170. The listed phone number is (703) 481-6001.

What is Vasilios Gacis's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Is Vasilios Gacis enrolled in Medicare?

Yes. Vasilios Gacis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Vasilios Gacis was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.