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Cardiovascular Disease (Cardiology)

Claire G. Boccia Liang, MD

Works at hospitals in Hackettstown, NJ · Pompton Plains, NJ · Morristown, NJ … · New Jersey

Summary

Dr. Claire G. Boccia Liang, MD is a cardiologist at 100 Madison Ave, Morristown, NJ 07960. Phone: (973) 971-5915. Accepts Medicare assignment. In 2024, Claire G. Boccia Liang had 320 Original Medicare patients and 915 services. NPI 1376637702. 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: Cardiologist (Medicare lists Cardiovascular Disease (Cardiology))
  • Address: 100 Madison Ave, Morristown, NJ 07960 · Directions (1 more location)
  • Phone: (973) 971‑5915
  • Medicare: Accepts Medicare assignment
  • Hospitals: Ahs Hospital Corp, Chilton Medical Center, Morristown Medical Center and 2 more
  • Group practice: Barnabas Health Medical Group, PC (+1 more)
  • Medical school: Js Weill Medical College, Cornell University · graduated 2000 (26 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Claire G. Boccia Liang, 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 Claire G. Boccia Liang accept Medicare assignment?
Yes. Medicare's clinician data says Claire G. Boccia Liang 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 Claire G. Boccia Liang see?
In 2024, CMS data shows 320 Original Medicare patients and 915 services for Claire G. Boccia Liang. This counts Original Medicare only and measures volume, not quality.
What is Claire G. Boccia Liang's NPI number?
1376637702. 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 Claire G. Boccia Liang, 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 patients320
Services billed to Medicare915
Different services or procedures35
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)274 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)130 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)114 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)62 services
  5. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)57 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%
  • Arthritis53%
  • Ischemic heart disease50%
  • Heart failure32%
  • Atrial fibrillation31%

Hospitals where Claire G. Boccia Liang works

Medicare's Facility Affiliation Data lists Claire G. Boccia Liang 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.

  • Ahs Hospital CorpHackettstown, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310115
  • Chilton Medical CenterPompton Plains, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310017
  • Morristown Medical CenterMorristown, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310015
  • Overlook Medical CenterSummit, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310051
  • Robert Wood Johnson University Hospital - SomersetSomerville, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 310048

Practice locations

Addresses where Claire G. Boccia Liang is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Claire G. Boccia Liang as a member of these groups (CMS data updated October 2, 2026).

  • Barnabas Health Medical Group, PC262 clinicians in the group
  • Cardiovascular Health Consultants, P.A.119 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in New Jersey →

Other cardiologists in Morristown

Clinicians with the same Medicare primary specialty in Morristown, NJ — not a recommendation.

All cardiologists in Morristown →

Other clinicians in Barnabas Health Medical Group, PC

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

Clinician information

CredentialMD
Medical schoolJs Weill Medical College, Cornell University
Graduation year2000 (26 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1376637702
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