MR. VASILIOS A GACIS (NCC, LMFT, LPC) – Marriage & Family Therapist, NPI 1265548051

MR. VASILIOS A GACIS (NCC, LMFT, LPC) is a healthcare provider. based in Herndon, Virginia. specializing in MENTAL HEALTH COUNSELOR. They hold the professional credentials NCC, LMFT, LPC. They hold a License No. 0701003468 (VA). The NPI Number for MR. VASILIOS A GACIS (NCC, LMFT, LPC) is 1265548051

Main info

Male
45 Years Of Experience
Accepts Medicare Assignment
Name
MR. VASILIOS A GACIS (NCC, LMFT, LPC)
NPI
1265548051
Phone
(703) 481-6001
Address
PO BOX 5238
Enumeration Date
22 August 2006
Last Update Date
11 September 2025

Doctor Profile

Medical School Name
OTHER
Secondary Phone
7035698731214
Graduation Year
1981 (45 years ago)
PAC ID
4880194612
Group Practice PAC ID
1254496888
Professional Enrollment ID
I20250825004063
Address ID
VA221521849SP8134XRDXX501
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience61
Completeness85
Years active:19State licenses:2Digital endpointsOther names

1,998 MENTAL HEALTH COUNSELOR in VA

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Provider Addresses for MR. VASILIOS A GACIS (NCC, LMFT, LPC)

  • Herndon Post Office, 590, Grove Street, Herndon, Fairfax County, Virginia, 20172, United States

    HERNDON, VA 201721916

    Phone: (703) 481-6001

    Type: Mailing

  • Carlisle Drive, Sugar Oak Business Community, Herndon, Fairfax County, Virginia, 20170, United States

    HERNDON, VA 201704802

    Phone: (703) 481-6001

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2025-08-25

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20250825004063IMental Health CounselorDCTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 20172)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 1254496888View full group profile
NameSpecialtyState
Clinical PsychologistVA
Clinical PsychologistVA
Clinical PsychologistVA
Clinical PsychologistDC
Clinical PsychologistVA
Clinical PsychologistVA
Mental Health CounselorVA
Clinical PsychologistVA
Mental Health CounselorVA
Clinical PsychologistVA

Reviews

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Frequently asked questions

What is MR. VASILIOS A GACIS (NCC, LMFT, LPC)'s NPI number?
MR. VASILIOS A GACIS (NCC, LMFT, LPC)'s NPI is 1265548051 — the number used across U.S. healthcare to identify this provider.
Active or inactive — what applies to MR. VASILIOS A GACIS (NCC, LMFT, LPC)?
You should see MR. VASILIOS A GACIS (NCC, LMFT, LPC) as active in CMS-hosted NPPES data.
What kind of doctor is MR. VASILIOS A GACIS (NCC, LMFT, LPC)?
MR. VASILIOS A GACIS (NCC, LMFT, LPC) is associated with Marriage & Family Therapist in the directory — Clinical services aligned with this taxonomy classification.
Where in Virginia is MR. VASILIOS A GACIS (NCC, LMFT, LPC) registered?
Use Herndon, Virginia as the headline location for MR. VASILIOS A GACIS (NCC, LMFT, LPC) here.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

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