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Cardiac Electrophysiology

Emerson H. Liu, MD

Works at hospitals in Wexford, PA · Pittsburgh, PA · Monroeville, PA … · Pennsylvania

Summary

Dr. Emerson H. Liu, MD is a cardiac electrophysiologist at 114 Gallery Dr, Mc Murray, PA 15317. Phone: (412) 831-8089. Accepts Medicare assignment. In 2024, Emerson H. Liu had 1,032 Original Medicare patients and 1,823 services. NPI 1689700429. 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: Cardiac electrophysiologist (Medicare lists Cardiac Electrophysiology)
  • Address: 114 Gallery Dr, Mc Murray, PA 15317 · Directions (19 more locations)
  • Phone: (412) 831‑8089
  • Medicare: Accepts Medicare assignment
  • Hospitals: Ahn Wexford Hospital, Allegheny General Hospital, Forbes Hospital and 2 more
  • Group practice: Allegheny Clinic
  • Medical school: Harvard Medical School · graduated 2000 (26 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Emerson H. Liu, 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 Emerson H. Liu accept Medicare assignment?
Yes. Medicare's clinician data says Emerson H. Liu 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 Emerson H. Liu see?
In 2024, CMS data shows 1,032 Original Medicare patients and 1,823 services for Emerson H. Liu. This counts Original Medicare only and measures volume, not quality.
What is Emerson H. Liu's NPI number?
1689700429. 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 Emerson H. Liu, 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 patients1,032
Services billed to Medicare1,823
Different services or procedures55
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)454 services
  2. Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (93296)339 services
  3. Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)180 services
  4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)174 services
  5. Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days (93295)159 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 disease60%
  • Atrial fibrillation58%
  • Arthritis53%
  • Heart failure49%

Hospitals where Emerson H. Liu works

Medicare's Facility Affiliation Data lists Emerson H. Liu 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.

  • Ahn Wexford HospitalWexford, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390334
  • Allegheny General HospitalPittsburgh, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390050
  • Forbes HospitalMonroeville, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390267
  • Saint Vincent HospitalErie, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390009
  • West Penn HospitalPittsburgh, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390090

Practice locations

Addresses where Emerson H. Liu is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 20; the Medicare profile lists all.

  • 114 Gallery DrMc Murray, PA 15317 (412) 831‑8089
  • 118 Gallery DrCanonsburg, PA 15317 (412) 469‑7110
  • 122 Gallery DrCanonsburg, PA 15317
  • 138 Gallery DrCanonsburg, PA 15317
  • 138 Gallery DrMc Murray, PA 15317

Group practices

Medicare enrollment lists Emerson H. Liu as a member of this group (CMS data updated October 2, 2026).

  • Allegheny Clinic2,389 clinicians in the group

Specialties

Find other Cardiac Electrophysiology doctors in Pennsylvania →

Other cardiac electrophysiologists in Mc Murray

Clinicians with the same Medicare primary specialty in Mc Murray, PA — not a recommendation.

All cardiac electrophysiologists in Mc Murray →

Other clinicians in Allegheny Clinic

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

Clinician information

CredentialMD
Medical schoolHarvard Medical School
Graduation year2000 (26 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1689700429
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