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Advanced Heart Failure and Transplant Cardiology

Van-Khue T. Ton

Works at hospitals in Boston, MA · Oak Bluffs, MA · Salem, MA … · Massachusetts, New Hampshire

Summary

Van-Khue T. Ton is a heart failure and transplant cardiologist at 1 Hospital Rd, Oak Bluffs, MA 02557. Phone: (617) 724-0287. Accepts Medicare assignment. In 2024, Van-Khue T. Ton had 264 Original Medicare patients and 1,351 services. NPI 1497982938. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Heart failure and transplant cardiologist (Medicare lists Advanced Heart Failure and Transplant Cardiology)
  • Address: 1 Hospital Rd, Oak Bluffs, MA 02557 · Directions (1 more location)
  • Phone: (617) 724‑0287
  • Medicare: Accepts Medicare assignment
  • Hospitals: Brigham and Women's Hospital, Martha's Vineyard Hospital Inc, Massachusetts General Hospital and 2 more
  • Group practice: Massachusetts General Physicians Organization Inc (+1 more)
  • Medical school: Geisel School Of Medicine At Dartmouth · graduated 2009 (17 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Van-Khue T. Ton, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Van-Khue T. Ton accept Medicare assignment?
Yes. Medicare's clinician data says Van-Khue T. Ton accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Van-Khue T. Ton see?
In 2024, CMS data shows 264 Original Medicare patients and 1,351 services for Van-Khue T. Ton. This counts Original Medicare only and measures volume, not quality.
What is Van-Khue T. Ton's NPI number?
1497982938. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Van-Khue T. Ton, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients264
Services billed to Medicare1,351
Different services or procedures16
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)329 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)302 services
  3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)224 services
  4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)149 services
  5. Evaluation of lower heart chamber assist device (93750)123 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Ischemic heart disease75%
  • Chronic kidney disease75%
  • Heart failure75%
  • Atrial fibrillation61%

Hospitals where Van-Khue T. Ton works

Medicare's Facility Affiliation Data lists Van-Khue T. Ton at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Van-Khue T. Ton is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Van-Khue T. Ton as a member of these groups (CMS data updated October 2, 2026).

  • Massachusetts General Physicians Organization Inc3,558 clinicians in the group
  • Martha's Vineyard Hospital Inc155 clinicians in the group

Specialties

Find other Advanced Heart Failure and Transplant Cardiology doctors in Massachusetts →

Other heart failure and transplant cardiologists in Massachusetts

Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.

All heart failure and transplant cardiologists in Massachusetts →

Other clinicians in Massachusetts General Physicians Organization Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

Medical schoolGeisel School Of Medicine At Dartmouth
Graduation year2009 (17 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1497982938
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians