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HAN TON-THAT, M.D., P.C.
NPI 1346526514
Clinic/Center in Falls Church, VA

Active since November 01, 2011
6305 CASTLE PL, SUITE 1-A, FALLS CHURCH, VA 22044(703) 534-9090(703) 534-9191 Get Directions Write a Review

NPPES record last updated: November 1, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Han Ton-that, M.d., P.c. NPPES

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

HAN TON-THAT, M.D., P.C. (NPI 1346526514) is a healthcare organization registered as a clinic/center in Falls Church, Virginia and active in the NPI registry since November 2011. The organization lists Han Ton-that, President, as its authorized official.

NPPES Registry Identity

NPI1346526514
Entity TypeOrganization
Primary Taxonomy261Q00000X
Legal Business NameHAN TON-THAT, M.D., P.C.
Location Address6305 CASTLE PL, SUITE 1-AFalls Church, VA 22044-1905
Mailing Address6305 Castle Pl, Suite 1-aFalls Church, VA 22044-1905 · (703) 534-9090 · Fax (703) 534-9191
Phone(703) 534-9090
Fax(703) 534-9191
Organization SubpartNo
Authorized OfficialHan Ton-thatPresident · (703) 534-9090
Enumeration DateNovember 1, 2011
✔ NPI 1346526514 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/CenterAmbulatory Health Care Facilities
Taxonomy Code261Q00000X
License✔ Licensed in VA · 0101055233
Definition
A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).
6305 CASTLE PL, Falls Church, VA 22044
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Other Identifiers 5

Medicare PIN643349
Medicaid177300300MD
Medicaid005838380VA
Medicare UPING42970
Medicaid031861600DC

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Han Ton-that, M.d., P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Han Ton-That, M.D., P.C., which bills Medicare for the services this clinician delivers.

Clinician (1)

Han Ton-That, MD
Gastroenterology
NPI 1215045729
6305 CASTLE PLACE SUITE 1-A
Falls Church, VA 22044
(703) 534-9090
✔ PECOS✔ Accepts MedicareSame address

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

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 Han Ton-That, M.D., P.C.'s NPI number?

The NPI number for Han Ton-That, M.D., P.C. is 1346526514. It was assigned to this organization in the NPPES registry on November 1, 2011.

Where is Han Ton-That, M.D., P.C. located?

Han Ton-That, M.D., P.C. is located at 6305 Castle Pl Suite 1-A, Falls Church, VA 22044. The listed phone number is (703) 534-9090.

What is Han Ton-That, M.D., P.C.'s specialty?

The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.

Is Han Ton-That, M.D., P.C. enrolled in Medicare?

Yes. Han Ton-That, M.D., P.C. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Han Ton-That, M.D., P.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Gastroenterology) reassigns their Medicare billing to Han Ton-That, M.D., P.C.. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Han Ton-That, M.D., P.C. was last updated on November 1, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.