NPPES file of Aug 9, 2026

Han Ton-That, MD

Gastroenterology Physician · Falls Church, VA

Han Ton-That, MD is a gastroenterology physician with a practice address in Falls Church, Virginia, and NPI 1215045729, issued on Aug 25, 2006. Check the license (Virginia 0101055233, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1215045729
Name
Han Ton-That
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
0101055233 VA
Self-reported in NPPES; status is on the state search
Practice location
6305 Castle Place, Falls Church, VA 22044
Phone
(703) 534-9090
Enumerated
Aug 25, 2006
Record last updated
Mar 25, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(703) 534-9191
Medicaid ID
005838380 VA
Medicare enrollment
Enrolled (PECOS I20120109000615); accepts Medicare assignment
Medical or professional school
University Of Maryland School Of Medicine, 1991
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Han Ton-That in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVirginia Department of Health Professions
    Search for license 0101055233
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Virginia license search

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52% fewer Medicare Part D claims than the average gastroenterology physician in 2024

392 Medicare Part D claims for 197 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Han Ton-That392
  2. Specialty average811

Most prescribed

  1. Sod Sulf-Potass Sulf-Mag Sulf110 claims
  2. Tenofovir Disoproxil Fumarate37 claims
  3. Pantoprazole Sodium30 claims
  4. Gavilyte-C26 claims
  5. Esomeprazole Magnesium23 claims
  6. Amoxicillin15 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $39.83

2 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Han Ton-That$39.83
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Han Ton-That among 536 gastroenterology physician records in Virginia

Han Ton-That, MD is one of 536 gastroenterology physician records with a practice address in Virginia. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 17% of them.

  • NPI issued2006 · 17% of these records are older, 46% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated1991 · median 2001 among the 389 with a school on file
  • Record last updated2011 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Virginia

There are 536 gastroenterology physician records in Virginia.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Firas Al-Kawas, MDFalls Church, VA 220421295733384
  2. Maurice Atiyeh, M.D.Falls Church, VA 220421467474817
  3. James Cooper, MDFalls Church, VA 220421831355213
  4. Stanley Drake, MDFalls Church, VA 220461841363041
  5. Marc Georgi, MDFalls Church, VA 220421902096480
  6. Alexander Jow, M.D.Falls Church, VA 220461336383587
  7. Jesse Liu, MDFalls Church, VA 220461649470915
  8. Robert Sjogren, M.D.Falls Church, VA 220461659421113

Common questions

What is Han Ton-That, MD's NPI number?

Han Ton-That, MD's National Provider Identifier (NPI) is 1215045729, issued on Aug 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Han Ton-That, MD located?

The NPPES record lists a practice address at 6305 Castle Place, Falls Church, VA, 22044. Phone: (703) 534-9090. Providers update this record themselves, so call before visiting.

How can I verify Han Ton-That, MD's license?

NPPES lists Virginia license number 0101055233, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Han Ton-That, MD prescribe under Medicare Part D?

In 2024, Han Ton-That, MD had 392 Medicare Part D claims for 197 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.