The South Orange County Cardiology Group specializes in all facets of cardiovascular health and risk prevention. Our practice uses the most accurate instruments for imaging, diagnosing, and more. Our laboratory is accredited by the Intersocietal Accreditation Commission (IAC) for Echocardiography.
- Arrhythmia
- Atrial Fibrillation
- Atrial Flutter
- Cardiac Tumors
- Cardiomyopathy
- Coronary Artery Disease
- Heart Failure
- Hypertension
- Hyperlipidemia
- Hypertrophic Cardiomyopathy
- Intermittent Claudication
- Peripheral Vascular Disease
- Pericarditis
- Pulmonary Hypertension
- Supraventricular Tachycardia
- Syncope
- Valvular Heart Disease
- Ventricular Tachycardia
- WPW
- Ablation procedures
- Angioplasty / Stent (Coronary, Renal and Peripheral Arteries)
- Cardiac Resynchronization Pacemaker Devices
- Carotid Ultrasound
- Cholesterol Screening
- Defibrillators
- Echocardiograms
- ECP (External Counter Pulsation)
- EKG
- Electrophysiology Studies
- Event Arrhythmia Monitoring
- Heart Catheterizations
- Holter Monitoring
- Monitoring Anticoagulant Therapy
- Nuclear Stress Tests
- Pacemakers
- Pacemaker Clinic
- PFO Occlusion
- Risk Factor Management
- Stents
- Stress Echos
- Stress Testing
- TAVR (Non-surgical aortic valve replacement)
- Tilt Table Studies
- Watchman (Left atrial occlusion device)
Meet the Experts of Cardiology Practice
You’re in the best and most specialized hands at South Orange County Cardiology Group. Our board certified cardiologists provide our patients with the highest-quality medical care.
Jeffrey F. Feiner
MD FACC
Practice in Cardiology since 1982
St. Mary Medical Center, CardiologyFellowship 1982
St. Mary Medical Center/Harbor-UCLA, Internal Medicine
Residency 1980, Internship 1978
S.U.N.Y. Downstate Medical School
Medical School 1977
Brooklyn College, B.S. Chemistry
Undergraduate 1974
Hometown: Brooklyn, New York
Robert K. Masters
MD FACC
Practice in Cardiology since 1984
Baylor University, CardiologyFellowship 1984
University of Southern California, Internal Medicine
Residency 1975, Internship 1973
University of California, Irvine
Medical School 1972
Fresno State University, B.S. Chemistry
Undergraduate 1968
Hometown: Lakeport, California
Douglas P. Lyle
MD FACC
Practice in Cardiology since 1997
Texas Heart Institute, CardiologyFellowship 1976
University of Texas at Houston, Internal Medicine
Residency 1974
University of Alabama Medical College, Internal Medicine
Medical School 1972, Internship 1973
University of Alabama, B.S. Chemistry
Undergraduate 1968
Hometown: Huntsville, Alabama
Michael J. Gault
MD FACC
Practice in Cardiology since 1984
University of California Irvine, CardiologyFellowship 1996
Harbor-UCLA, Internal Medicine
Residency 1993, Internship 1991
UHS/Chicago Medical School
Medical School 1990
University of California, San Diego, B.S. Biochemistry
Undergraduate 1983
Hometown: La Habra, California
Daniel H. La Mont
MD FACC
Practice in Cardiology since 1999
Good Samaritan Hospital Los Angeles, Interventional CardiologyFellowship 1999
University of California Irvine, Cardiology
Fellowship 1998
Harbor-UCLA, Internal Medicine
Residency 1994, Internship 1992
Brown University
Medical School 1991
University of Southern California, B.S. Psychobiology
Undergraduate 1986
Hometown: Escondido, California
Howard I. Frumin
MD FACC
Practice in Cardiology/Electrophysiology since 1983
Montefiore Hospital, N.Y., ElectrophysiologyFellowship 1983
Sinai Hospital of Detroit, Cardiology
Fellowship 1982
Mercy Hospital, San Diego, Internal Medicine
Residency 1981, Internship 1979
Wayne State University School of Medicine
Medical School 1978
University of Michigan
Undergraduate 1971
Hometown: Detroit, Michigan
Ronald D. Gim
MD FACC
Practice in Cardiology since 2004
University of California Irvine, Interventional CardiologyFellowship 2004 University of California Irvine, Cardiology
Fellowship 2003
University of California Irvine, Internal Medicine
Residency 2000, Internship 1998
University of California San Diego
Medical School 1997
University of California San Diego, B.S. Chemical Engineering
Undergraduate 1991
Hometown: Cleveland, Ohio
John N. Bahadorani
MD FACC FSCAI RPVI
Practice in Cardiology since 2013 and Interventional Cardiology since 2014
Internal Medicine, Cardiology, Interventional Cardiology, Nuclear Cardiology, Registered Physician in Vascular InterpretationBoard Certification
University of California San Diego, Interventional Cardiology (Advanced Coronary Intervention, Structural heart, and Peripheral intervention)
Fellowship 2015
University of California San Diego, Interventional Cardiology
Fellowship 2014
Tulane Heart and Vascular Institute, Cardiology
Fellowship 2010-2013
University of Texas Southwestern, Internal Medicine
Residency 2010, Internship 2008
University of Texas Medical Branch
Medical School 2007
Texas A&M University, Biomedical Science
Undergraduate 2002
Hometown: Houston, Texas
Daniel C. Walters
MD FACC FSCAI
Practice in Cardiology since 2017 and Interventional Cardiology since 2018
Cardiology, Interventional Cardiology, Internal Medicine
Board Certification
University of California San Diego, Interventional Cardiology (Advanced Coronary Intervention, Structural heart, and Peripheral Intervention)
Fellowship 2018-2019
University of California San Diego, Interventional Cardiology
Fellowship 2017-2018
University of California San Diego, Cardiovascular Disease
Fellowship 2014-2017
Chief Fellow 2016-2017
University of Michigan, Internal Medicine 2011-2014
Michigan State University, Medical School 2007-2011
University of Virginia, Bachelors of Science, Biomedical Engineering, 2003-2007
Hometown: Holland, Michigan
Ashish M. Shah
DO
Practice in Cardiology since 2015 and Cardiac Electrophysiology since 2018
Cardiac Electrophysiology, Cardiology, Internal Medicine – Board Certifications
Newark Beth Israel/Rutgers University, Advanced Electrophysiology Fellowship 2018
Main Line Health/Lankenau Medical Center, Clinical Cardiac Electrophysiology Fellowship 2017
Sidney Kimmel Medical College at Thomas Jefferson University/Deborah Heart and Lung Center, Cardiology Fellowship 2015
Advocate Health Care/Advocate Lutheran General Hospital, Internal Medicine Residency 2012, Internship 2010
Chicago College of Osteopathic Medicine at Midwestern University, Medical School 2009
University of Illinois at Urbana-Champaign, Bachelors of Science, Community Health and Hospital Administration 2005
Hometown: Bloomington/Normal, Illinois
