Doctor profile · Federal record

Dr. Han Ton-That, MD

Gastroenterology Physician (CMS: Gastroenterology) · Falls Church, VA

  • NPI 1215045729
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6305 Castle Place, Suite 1-A
Falls Church, VA 22044
(703) 534-9090
fax (703) 534-9191

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
March 25, 2011
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Virginia #0101055233
Medicaid
VA #005838380

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215045729. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
347
Distinct HCPCS
7
Medicare allowed
$41,886
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 124 98 $99
45380 Biopsy of large bowel using a flexible endoscope 72 72 $181
36415 Insertion of needle into vein for collection of blood sample 38 20 $8
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 37 30 $112
99214 Established patient office or other outpatient visit, 30-39 minutes 35 33 $144
99202 New patient office or other outpatient visit, 15-29 minutes 22 22 $82
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 19 19 $278

In context: peer comparison

Among 1 peers in this city , average services per provider: 49. This provider delivers 7.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$40
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Gilead Sciences, Inc. 1 $20.77
Celgene Corporation 1 $19.06

By nature of payment

Food and Beverage
$40

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
261
Patients
155
Total drug cost
$16,975
Drug Type Claims Patients Total cost
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 66 65 $5,611
Tenofovir Disoproxil Fumarate Generic 53 21 $9,774
Pantoprazole Sodium Generic 30 16 $446
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 27 27 $350
Lovastatin Generic 19 0 $72
Dicyclomine Hcl Generic 14 0 $345
Metronidazole Generic 14 13 $168
Amoxicillin Generic 13 13 $79
Atenolol Generic 13 0 $85
Omeprazole Generic 12 0 $45

Frequently asked questions

Auto-generated from federal data
What is Dr. Han Ton-That's medical specialty?
Dr. Han Ton-That practices Gastroenterology Physician in Falls Church, VA.
Where does Dr. Han Ton-That practice?
Dr. Han Ton-That practices at 6305 Castle Place, Falls Church, VA 22044. Office phone: 7035349090.
What is Dr. Han Ton-That's NPI?
Dr. Han Ton-That's National Provider Identifier (NPI) is 1215045729, issued by NPPES.
Does Dr. Han Ton-That accept Medicare assignment?
Yes. Dr. Han Ton-That accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Han Ton-That commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.