Vasilios Gacis, NCC, LMFT, LPC
NPI 1265548051 · Marriage & Family Therapist · Herndon, VA
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vasilios Gacis, NCC, LMFT, LPC is a Marriage & Family Therapist provider in Herndon, VA (NPI 1265548051).
Provider details
- NPI number
- 1265548051
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- NCC, LMFT, LPC
- Sex
- Male
- Sole proprietor
- No
- License
- 0701003468 (VA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-22
- Last updated
- 2025-09-11
Frequently asked questions
- What is Vasilios Gacis's NPI number?
- Vasilios Gacis's National Provider Identifier (NPI) is 1265548051, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vasilios Gacis's specialty?
- Vasilios Gacis is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Vasilios Gacis located?
- Vasilios Gacis's practice location on file with NPPES is 433a Carlisle Dr, Herndon, VA 20170-4802.
- What is Vasilios Gacis's phone number?
- The practice phone number listed in the NPPES registry for Vasilios Gacis is (703) 481-6001.
- Does Vasilios Gacis accept Medicare?
- Vasilios Gacis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vasilios Gacis's NPI active?
- Yes — Vasilios Gacis's NPI (1265548051) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.