William Katz
Experienced in Subvalvular Aortic Stenosis

Dr. William Katz

Cardiology
UPMC Presbyterian
200 Lothrop St, 
Pittsburgh, PA 

Experienced in Subvalvular Aortic Stenosis
UPMC Presbyterian
200 Lothrop St, 
Pittsburgh, PA 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

William Katz, MD, is a cardiologist and is certified in cardiovascular disease and internal medicine by the American Board of Internal Medicine. He is medical director of the UPMC Presbyterian Echocardiography Laboratory and an associate professor of medicine at the University of Pittsburgh School of Medicine. He received his medical degree from The Ohio State University College of Medicine and completed his residency at UPMC Montefiore followed by his fellowship at UPMC Presbyterian. Dr. Katz’s clinical interests include general cardiology, atrial fibrillation, valvular heart disease, and utilizing echocardiography in catheter-based treatment of valvular heart disease. He has published numerous articles in peer-reviewed journals and is a member of the American College of Cardiology and American Society of Echocardiography. Dr. Katz lives in Indiana Township with his wife and four children and is a sports enthusiast.

Dr. Katz is rated as an Experienced provider by MediFind in the treatment of Subvalvular Aortic Stenosis. His top areas of expertise are Mitral Valve Regurgitation, Aortic Valve Stenosis, Aortic Regurgitation, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).

His clinical research consists of co-authoring 26 peer reviewed articles. MediFind looks at clinical research from the past 15 years.

Specialties
Cardiology
Licenses
Specialist in PA
Board Certifications
American Board Of Internal Medicine
American Board Of Internal Medicine
National Board Of Echocardiography
Fellowships
University of Pittsburgh School of Medicine
Hospital Affiliations
Upmc Presbyterian Shadyside
Upmc Passavant
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Gateway Health Plan
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
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  • OTHER MEDICARE PART D
Highmark
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  • HMO
  • PPO
Humana
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  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
PA Health and Wellness
  • HMO
  • MANAGED MEDICAID PLAN
The Health Plan
  • HMO
  • MANAGED MEDICAID PLAN
  • OTHER MEDICARE PART D
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
UPMC
  • EPO
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 7 Less Insurance Carriers -

Locations

UPMC Presbyterian
200 Lothrop St, Pittsburgh, PA 15213
Call: 412-647-6000

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.


26 Total Publications

Catheter ablation of macro-reentrant atrial tachycardia in adults with Ebstein anomaly: A narrative review.
Catheter ablation of macro-reentrant atrial tachycardia in adults with Ebstein anomaly: A narrative review.
Journal: Heart rhythm O2
Published: November 24, 2025
View All 26 Publications
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Timothy C. Wong, MD, is a cardiologist and is certified in internal medicine and cardiovascular disease by the American Board of Internal Medicine. He is director of the UPMC Hypertrophic Cardiomyopathy Center (HCM Center), associate director of the UPMC Cardiovascular Magnetic Resonance Center, and an assistant professor of medicine at the University of Pittsburgh School of Medicine. He received his medical degree from New York University School of Medicine and completed his cardiovascular disease fellowship at the University of Pittsburgh Medical Center. Dr. Wong is rated as a Distinguished provider by MediFind in the treatment of Subvalvular Aortic Stenosis. His top areas of expertise are Hypertrophic Cardiomyopathy (HCM), Cardiomyopathy, Subvalvular Aortic Stenosis, Familial Hypertrophic Cardiomyopathy, and Heart Transplant.

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N. A. Mark Estes, MD, FACC, FHRS is a cardiologist and is certified in cardiology and clinical cardiac electrophysiology by the American Board of Internal Medicine, as well as in cardiac implantable electronic devices by the International Board of Heart Rhythm Examiners. He is a professor of medicine and program director of the Clinical Cardiac Electrophysiology Fellowship at the University of Pittsburgh School of Medicine. He received his medical degree from University of Cincinnati College of Medicine and completed his residency at Beth Israel Deaconess Hospital, followed by his fellowships in cardiology and clinical cardiac electrophysiology at Tufts Medical Center and Massachusetts General Hospital. After three decades as the Director of the New England Cardiac Arrhythmia Center, he joined the UPMC Heart and Vascular Institute in 2018. His clinical interests include cardiac arrhythmias, atrial fibrillation, cardiovascular disease in the athlete, syncope, pacemakers and ICDs. He has served as President of Heart Rhythm Society and Chair of the American Heart Association Council of Clinical Cardiology. He serves as the Editor-In-Chief of the Cardiovascular Section of UpToDate, and on the editorial board of 11 journals. He is on the exam writing committees for the American Board of Internal Medicine Clinical Cardiac Electrophysiology Exam and International Board of Heart Rhythm Examiners. He has over 600 publications including authorship or co-authorship of nine books. He currently Chairs the American Heart Association Scientific Publishing Committee. Dr. Estes lives in Sewickley with his wife and enjoys biking, skiing, sailing and tennis. Dr. Estes is rated as an Advanced provider by MediFind in the treatment of Subvalvular Aortic Stenosis. His top areas of expertise are Atrial Fibrillation, Bidirectional Tachycardia, Catecholaminergic Polymorphic Ventricular Tachycardia, Cardiac Ablation, and Pacemaker Implantation.

Experienced in Subvalvular Aortic Stenosis
Dr. Robert Ruffner
Cardiology
Experienced in Subvalvular Aortic Stenosis
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Office

532 S Aiken Ave Ste 311, 
Pittsburgh, PA 
 (1.4 miles away)
412-621-5000
Languages Spoken:
English
See accepted insurances

Robert Ruffner is a Cardiologist in Pittsburgh, Pennsylvania. Dr. Ruffner is rated as an Advanced provider by MediFind in the treatment of Subvalvular Aortic Stenosis. His top areas of expertise are Long QT Syndrome 5, Long QT Syndrome 1, Long QT Syndrome, and Long QT Syndrome 2.

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Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Katz's expertise for a condition
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    • Distinguished
    • Mitral Valve Regurgitation
      Dr. Katz is
      Distinguished
      . Learn about Mitral Valve Regurgitation.
      See more Mitral Valve Regurgitation experts
    • Advanced
    • Aortic Regurgitation
      Dr. Katz is
      Advanced
      . Learn about Aortic Regurgitation.
      See more Aortic Regurgitation experts
    • Aortic Valve Replacement
      Dr. Katz is
      Advanced
      . Learn about Aortic Valve Replacement.
      See more Aortic Valve Replacement experts
    • Aortic Valve Stenosis
      Dr. Katz is
      Advanced
      . Learn about Aortic Valve Stenosis.
      See more Aortic Valve Stenosis experts
    • Necrosis
      Dr. Katz is
      Advanced
      . Learn about Necrosis.
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    • Pediatric Myocarditis
      Dr. Katz is
      Advanced
      . Learn about Pediatric Myocarditis.
      See more Pediatric Myocarditis experts
    • Vasculitis
      Dr. Katz is
      Advanced
      . Learn about Vasculitis.
      See more Vasculitis experts
    • Experienced
    • Adenosine Deaminase 2 Deficiency
      Dr. Katz is
      Experienced
      . Learn about Adenosine Deaminase 2 Deficiency.
      See more Adenosine Deaminase 2 Deficiency experts
    • Angina
      Dr. Katz is
      Experienced
      . Learn about Angina.
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    • Apoplexy
      Dr. Katz is
      Experienced
      . Learn about Apoplexy.
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    • Arrhythmias
      Dr. Katz is
      Experienced
      . Learn about Arrhythmias.
      See more Arrhythmias experts
    • Arterial Embolism
      Dr. Katz is
      Experienced
      . Learn about Arterial Embolism.
      See more Arterial Embolism experts
    • Atherosclerosis
      Dr. Katz is
      Experienced
      . Learn about Atherosclerosis.
      See more Atherosclerosis experts
    View All 38 Experienced Conditions
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