ANDREA THERRIEN LCSW
NPI 1205556644
Social Worker - Clinical in Reston, VA

Active since August 29, 2022PECOS EnrolledAccepts Medicare Assignment
11250 ROGER BACON DR STE 2, RESTON, VA 20190(703) 861-1347 Get Directions Write a Review

NPPES record last updated: August 29, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Andrea Therrien Lcsw NPPES

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

ANDREA THERRIEN LCSW (NPI 1205556644) is an individual clinical provider in Reston, Virginia, licensed in Virginia (0904006745) and active in the NPI registry since August 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1205556644
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameANDREA THERRIENCredential: LCSW
Location Address11250 ROGER BACON DR STE 2Reston, VA 20190-5202
Mailing Address11250 Roger Bacon Dr Ste 2Reston, VA 20190-5202 · (703) 861-1347
Sole ProprietorYes
Medical School CMSOtherGraduated 2004
Enumeration DateAugust 29, 2022
NPPES CertifiedAugust 27, 2022
✔ NPI 1205556644 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in VA · 0904006745
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
11250 ROGER BACON DR STE 2, Reston, VA 20190

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Andrea Therrien Lcsw 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 ID1456854058
PECOS Enrollment IDI20250910003438, I20251023003387
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 Andrea Therrien reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Psychiatry
2501 N GLEBE RD, SUITE 303
Arlington, VA 22207
  • Reassigned Medicare billing, District of Columbia and Virginia enrollments
  • 267 clinicians in this Medicare group

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20190 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $65.18 – $194.86
Typical copayment $0.00 (range $16.29 – $48.71)
Most-billed visit code NA
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

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

Peer Specialist
11250 ROGER BACON DR STE 2
RESTON, VA 20190
Counselor (Professional)
11250 ROGER BACON DR STE 2
RESTON, VA 20190

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 Andrea Therrien's NPI number?

The NPI number for Andrea Therrien is 1205556644. It was assigned to this individual provider in the NPPES registry on August 29, 2022.

Where is Andrea Therrien located?

Andrea Therrien practices at 11250 Roger Bacon Dr Ste 2, Reston, VA 20190. The listed phone number is (703) 861-1347.

What is Andrea Therrien's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Andrea Therrien enrolled in Medicare?

Yes. Andrea Therrien 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.

Which organization bills Medicare for Andrea Therrien's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andrea Therrien reassigns Medicare benefits to Columbia Associates In Psychiatry PC (Arlington, 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 Andrea Therrien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Andrea Therrien accept?

Health plans from Oscar Health list Andrea Therrien as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Andrea Therrien was last updated on August 29, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.