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MR. HAN TON-THAT MD
NPI 1215045729
Internal Medicine - Gastroenterology in Falls Church, VA

Active since August 25, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 49D2165045 · Certificate of Compliance
6305 CASTLE PLACE, SUITE 1-A, FALLS CHURCH, VA 22044(703) 534-9090(703) 534-9191 Get Directions Write a Review

NPPES record last updated: March 25, 2011. Verified against the NPPES registry weekly; last sync: October 11, 2026.

About Mr. Han Ton-that Md NPPES

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

MR. HAN TON-THAT MD (NPI 1215045729) is an individual gastroenterology provider in Falls Church, Virginia, licensed in Virginia (0101055233) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, holds a CLIA Certificate of Compliance certificate valid through December 13, 2027, and is a graduate of University Of Maryland School Of Medicine (1991).

NPPES Registry Identity

NPI1215045729
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameMR. HAN TON-THATCredential: MD
Location Address6305 CASTLE PLACE, SUITE 1-AFalls Church, VA 22044
Mailing Address6305 Castle Place, Suite 1-aFalls Church, VA 22044 · (703) 534-9090 · Fax (703) 534-9191
Phone(703) 534-9090
Fax(703) 534-9191
Sole ProprietorNo
Medical School CMSUniversity Of Maryland School Of MedicineGraduated 1991
Enumeration DateAugust 25, 2006
Last NPPES UpdateMarch 25, 2011
✔ NPI 1215045729 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in VA · 0101055233
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
6305 CASTLE PLACE, Falls Church, VA 22044
Open in Google Maps ↗

Other Identifiers 3

Medicare ID-Type Unspecified643349
Medicare UPING42970
Medicaid005838380VA

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

Mr. Han Ton-that Md 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 ID1254507536
PECOS Enrollment IDI20120109000615
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 49D2165045

Han Ton-That MD, PC · Falls Church, VA
Active · expires Dec 13, 2027
CLIA Number49D2165045
Laboratory TypePhysician Office
Certificate Effective DateDecember 14, 2025
Certificate Expiration DateDecember 13, 2027
Laboratory DirectorAdnan A. Siddiqui
Laboratory Phone(703) 534-9090
Laboratory LocationHan Ton-That MD, PC6305 Castle Place, Suite 1A, Falls Church, VA 22044
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
92 services65 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
71 services71 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
43 services34 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
33 services15 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
33 services27 patients
New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202
This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.
31 services31 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22044 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
92%259 patients5/55-star benchmark: 85%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
100%531 patients5/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
61%357 patients3/55-star benchmark: 97%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients tobacco: 64% · 130 patients
64%130 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

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

NORTHERN VIRGINIA ALLERGY AND ASTHMA ASSOCIATES
Allergy & Immunology
6305 CASTLE PLACE, SUITE 2D SEVEN CORNERS MEDICAL BUILDING
FALLS CHURCH, VA 22044
Fairfax County (703) 534-5500

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's NPI number?

The NPI number for Han Ton-that is 1215045729. It was assigned to this individual provider in the NPPES registry on August 25, 2006.

Where is Han Ton-that located?

Han Ton-that practices at 6305 Castle Place Suite 1-A, Falls Church, VA 22044. The listed phone number is (703) 534-9090.

What is Han Ton-that's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Han Ton-that enrolled in Medicare?

Yes. Han Ton-that 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.

Does Han Ton-that hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 49D2165045) is associated with this NPI, valid through December 13, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Han Ton-that was last updated on March 25, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.