THAO NGUYEN ALLEN PA-C
NPI 1063734713
Physician Assistant in Reston, VA

Active since February 23, 2010PECOS EnrolledAccepts Medicare Assignment
1831 WIEHLE AVE, SUITE 200, RESTON, VA 20190(703) 709-1114(703) 709-6516 Get Directions Write a Review

NPPES record last updated: June 11, 2013. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Thao Nguyen Allen Pa-c NPPES

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

THAO NGUYEN ALLEN PA-C (NPI 1063734713) is an individual physician assistant in Reston, Virginia, licensed in Virginia (0110003232) and active in the NPI registry since February 2010. She is enrolled in Medicare PECOS and is a graduate of Other (2009).

NPPES Registry Identity

NPI1063734713
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameTHAO NGUYEN ALLENCredential: PA-C
Location Address1831 WIEHLE AVE, SUITE 200Reston, VA 20190-5266
Mailing Address1831 Wiehle Ave, Suite 200Reston, VA 20190-5266 · (703) 709-1114 · Fax (703) 709-6516
Fax(703) 709-6516
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateFebruary 23, 2010
Last NPPES UpdateJune 11, 2013
NPI 1063734713 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in VA · 0110003232
Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

1831 WIEHLE AVE, Reston, VA 20190

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Thao Nguyen Allen Pa-c 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 ID7214067917
PECOS Enrollment IDI20100607000387
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.

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
$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
$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 10

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

Physician Assistant (Medical)
1831 WIEHLE AVE
RESTON, VA 20190
Physical Therapist
1831 WIEHLE AVE, 2ND FLOOR
RESTON, VA 20190
Physical Therapist
1831 WIEHLE AVE, 2ND FLOOR
RESTON, VA 20190
Physical Therapist
1831 WIEHLE AVE, 2ND FLOOR
RESTON, VA 20190
Physician Assistant
1831 WIEHLE AVE
RESTON, VA 20190
Specialist/Technologist (Athletic Trainer)
1831 WIEHLE AVE, 2ND FLOOR
RESTON, VA 20190
Physical Therapist
1831 WIEHLE AVE
RESTON, VA 20190
Physical Therapist
1831 WIEHLE AVE, 2ND FLOOR
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 Thao Allen's NPI number?

The NPI number for Thao Allen is 1063734713. It was assigned to this individual provider in the NPPES registry on February 23, 2010.

Where is Thao Allen located?

Thao Allen practices at 1831 Wiehle Ave Suite 200, Reston, VA 20190. The listed phone number is (703) 709-1114.

What is Thao Allen's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Thao Allen enrolled in Medicare?

Yes. Thao Allen 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.

When was this NPI record last updated?

The NPPES record for Thao Allen was last updated on June 11, 2013. NPI Profile syncs with the weekly NPPES data releases published by CMS.