Quick answers
- Where does Han Ton-That see patients?
- Medicare's clinician data lists 2 practice locations, including Falls Church, VA. Call before your visit to confirm the address.
- What is Han Ton-That's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
- Does Han Ton-That accept Medicare assignment?
- Yes. Medicare's clinician data says Han Ton-That accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Han Ton-That?
- (703) 534-9090, as listed in official Medicare / NPI Registry data.
- What is Han Ton-That's NPI number?
- 1215045729. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Han Ton-That is enrolled with Medicare (CMS data updated 2026-10-02).
- 6305 Castle Pl, Suite 1aFalls Church, VA 22044 (703) 534‑9090
- Han Ton-That M D P C, 6305 Castle Place 1aFalls Church, VA 22044
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Falls Church
Clinicians with the same Medicare primary specialty in Falls Church, VA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Maryland School Of Medicine |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1215045729 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians