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MARI-ELAINE TRIOLO LPC
NPI 1316579261
Counselor - Professional in Fairfax, VA

Active since February 09, 2020PECOS Enrolled
8221 WILLOW OAKS CORPORATE DR, FAIRFAX, VA 22031(703) 559-3000 Get Directions Write a Review

NPPES record last updated: February 10, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 10, 2024, Feb 9, 2020 (2 updates tracked since 2020).

About Mari-elaine Triolo Lpc NPPES

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

MARI-ELAINE TRIOLO LPC (NPI 1316579261) is an individual professional provider in Fairfax, Virginia, licensed in Virginia (0701008906) and active in the NPI registry since February 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1316579261
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameMARI-ELAINE TRIOLOCredential: LPC
Location Address8221 WILLOW OAKS CORPORATE DRFairfax, VA 22031-4512
Mailing Address8221 Willow Oaks Corporate DrFairfax, VA 22031-4512
Phone(703) 559-3000
Sole ProprietorNo
Enumeration DateFebruary 9, 2020
Last NPPES UpdateFebruary 10, 20242 updates tracked since enumeration
NPPES CertifiedFebruary 10, 2024
✔ NPI 1316579261 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License✔ Licensed in VA · 0701008906
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License 0701008906 (VA)
8221 WILLOW OAKS CORPORATE DR, Fairfax, VA 22031
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mari-elaine Triolo Lpc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Mari-elaine Triolo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Fairfax County, Virginia
7.0 mi
Mental Health (Including Community Mental Health Center)
12011 GOVERNMENT CENTER PARKWAY, SUITE 836
Fairfax, VA 22035
  • Reassigned Medicare billing, District of Columbia enrollment
  • Medicare enrollment name: Director Of Finance-County Of Fairfax Va
  • 383 clinicians in this Medicare group
NPI 1154356244 (703) 324-7000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

CONNIE LEE MD
Psychiatry & Neurology (Psychiatry)
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Fairfax County (703) 559-3000
NEIGHBORHOOD HEALTH
Clinic/Center (Federally Qualified Health Center (FQHC))
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Fairfax County (703) 535-5568
FELICIA ABOAGYE LNP
Nurse Practitioner (Psychiatric/Mental Health)
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Fairfax County (703) 559-3000
TRISHA MARIE HINDY BURKS LCSW
Social Worker (Clinical)
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Fairfax County (703) 559-3000
ZACHARY DALE LANDAU
Social Worker (Clinical)
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Fairfax County (703) 559-3000
GENOA HEALTHCARE LLC
Pharmacy (Long Term Care Pharmacy)
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Fairfax County (703) 852-0041
ANNA LEE KOOZMIN MSW, LCSW, LICSW
Social Worker (Clinical)
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Fairfax County (703) 324-7100
JULIA LYNN CONVERSE LCSW
Social Worker (Clinical)
8221 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Fairfax County (703) 559-3000

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 Mari-elaine Triolo's NPI number?

The NPI number for Mari-elaine Triolo is 1316579261. It was assigned to this individual provider in the NPPES registry on February 9, 2020.

Where is Mari-elaine Triolo located?

Mari-elaine Triolo practices at 8221 Willow Oaks Corporate Dr, Fairfax, VA 22031. The listed phone number is (703) 559-3000.

What is Mari-elaine Triolo's specialty?

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

Is Mari-elaine Triolo enrolled in Medicare?

Yes. Mari-elaine Triolo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mari-elaine Triolo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mari-elaine Triolo reassigns Medicare benefits to Fairfax County, Virginia (Fairfax, VA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mari-elaine Triolo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mari-elaine Triolo was last updated on February 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.