MS. ZENNY NGUYEN LCSW
NPI 1780497560
Social Worker - Clinical in Fairfax, VA

Q: What is Zenny Nguyen's NPI number?

The NPI number for Zenny Nguyen is 1780497560. It was assigned to this individual provider in the NPPES registry on January 27, 2025.

Q: What is Zenny Nguyen's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Zenny Nguyen was last updated on January 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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 January 27, 2025PECOS EnrolledAccepts Medicare Assignment

8221 WILLOW OAKS CORPORATE DR, FAIRFAX, VA 22031(703) 559-3000 Get Directions Write a Review

NPPES record last updated: January 27, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Ms. Zenny Nguyen Lcsw NPPES

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

MS. ZENNY NGUYEN LCSW (NPI 1780497560) is an individual clinical provider in Fairfax, Virginia, licensed in Virginia (0904017877) and active in the NPI registry since January 2025. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1780497560

Entity TypeIndividualFemale

Primary Taxonomy1041C0700X

Provider Legal NameMS. ZENNY NGUYENCredential: LCSW

Location Address8221 WILLOW OAKS CORPORATE DRFairfax, VA 22031-4512

Mailing Address8221 Willow Oaks Corporate DrFairfax, VA 22031-4512 · (703) 559-3000

Phone(703) 559-3000

Sole ProprietorNo

Medical School CMSOtherGraduated 2020

Enumeration DateJanuary 27, 2025

NPPES CertifiedJanuary 27, 2025

✔ NPI 1780497560 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 · 0904017877

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.

8221 WILLOW OAKS CORPORATE DR, Fairfax, VA 22031

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Secondary Practice Locations 2

Location 115941 Donald Curtis DrWoodbridge, VA 22191-4292 · Phone (703) 792-6000

Location 214900 Bogle Dr Ste 200Chantilly, VA 20151-1757 · Phone (703) 817-9890

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

Ms. Zenny Nguyen 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 ID6406376664

PECOS Enrollment IDI20250219001040

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 Reassignments

Medicare enrollment records show Zenny Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

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

Prince William County Community Services Board

16 mi

Mental Health (Including Community Mental Health Center)

7969 ASHTON AVE
Manassas, VA 20109

Reassigned Medicare billing, Virginia enrollment
141 clinicians in this Medicare group

NPI 1053402800 (703) 792-7800

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 22031 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 20

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

CONNIE LEE MD

Psychiatry & Neurology (Psychiatry)