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MRS. OANH D SMITH RN, NP
NPI 1821146663
Nurse Practitioner - Adult Health in Fairfax, VA

Active since January 08, 2007PECOS Enrolled
4410 SHIRLEY GATE RD, FAIRFAX, VA 22030(703) 205-9452 Get Directions Write a Review

NPPES record last updated: July 30, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrs. Oanh D Smith Rn, Np NPPES

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

MRS. OANH D SMITH RN, NP (NPI 1821146663) is an individual adult health provider in Fairfax, Virginia, licensed in Virginia (0024097800) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821146663
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMRS. OANH D SMITHCredential: RN, NP
Location Address4410 SHIRLEY GATE RDFairfax, VA 22030-5518
Mailing Address6607 Dearborn DrFalls Church, VA 22044-1122 · (703) 881-6597
Phone(703) 205-9452
Sole ProprietorNo
Enumeration DateJanuary 8, 2007
Last NPPES UpdateJuly 30, 2025
NPPES CertifiedJuly 30, 2025
✔ NPI 1821146663 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in VA · 0024097800
Also ListedRegistered NurseTaxonomy 163W00000X · License 0001097800 (VA)
4410 SHIRLEY GATE RD, Fairfax, VA 22030
Open in Google Maps ↗

Other Names 1

Other Name (5)Mrs. Oanh Thi Duong Rn

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Oanh D Smith Rn, Np 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 Oanh Smith reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Fairfax County, Virginia
1.4 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22030 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
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
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 16

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

OLUSOLA EDWARDS LPC, LSATP
Counselor (Professional)
4410 SHIRLEY GATE RD
FAIRFAX, VA 22030
Fairfax City (703) 205-9452
MARISOL Y ESCRIBA AMAU RN
Registered Nurse
4410 SHIRLEY GATE RD
FAIRFAX, VA 22030
Fairfax City (703) 205-9452
JAMIE J PLESKO LPC
Counselor (Professional)
4410 SHIRLEY GATE RD
FAIRFAX, VA 22030
Fairfax City (703) 205-9452
ALIZERETTE HERNANDEZ-VEGA LCSW
Social Worker (Clinical)
4410 SHIRLEY GATE RD
FAIRFAX, VA 22030
Fairfax City (703) 205-9452
AUGUSTINE AHENKORAH PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
4410 SHIRLEY GATE RD
FAIRFAX, VA 22030
Fairfax City (703) 489-4444
ORIT PAYTAN LCSW
Social Worker (Clinical)
4410 SHIRLEY GATE RD
FAIRFAX, VA 22030
Fairfax City (703) 205-9452
CAMILLA CRYER LPC
Counselor (Professional)
4410 SHIRLEY GATE RD
FAIRFAX, VA 22030
Fairfax City (703) 205-9452
MEADE JONES HANNA LCSW-C
Counselor (Mental Health)
4410 SHIRLEY GATE RD
FAIRFAX, VA 22030
Fairfax City (703) 205-9452

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 Oanh Smith's NPI number?

The NPI number for Oanh Smith is 1821146663. It was assigned to this individual provider in the NPPES registry on January 8, 2007. The provider is also known as Mrs. Oanh Thi Duong Rn.

Where is Oanh Smith located?

Oanh Smith practices at 4410 Shirley Gate Rd, Fairfax, VA 22030. The listed phone number is (703) 205-9452.

What is Oanh Smith's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Oanh Smith enrolled in Medicare?

Yes. Oanh Smith is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Oanh Smith's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Oanh Smith 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 Oanh Smith's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Oanh Smith accept?

Health plans from Oscar Health list Oanh Smith 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 Oanh Smith was last updated on July 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.