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Michael A. Acker, MD

Michael A. Acker, MD Physician

Chief, Division of Cardiovascular Surgery Director, Penn Medicine Heart and Vascular Center Julian Johnson Professor of Cardiothoracic Surgery

Dr. Acker is employed by Penn Medicine.

About Dr. Michael A. Acker

Recognized annually in Philadelphia magazine's Top Docs issue from 2002 through 2019

Recognized by America's Top Doctors, 2007, 2008, 2010, 2012 - 2018

Recognized by Best Doctors in America 2003 - 2018

Recognized in Delaware Valley Consumers' Checkbook 2003 Top Docs issue

Patient Satisfaction Ratings

Patient Rating Breakdown

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our nationally-recognized Press Ganey Patient Satisfaction Survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

Responses are measured on a scale of 1 to 5 with 5 being the best score.

Comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Penn Medicine.

Overall Ratings

Clinical Specialties


  • Cardiac Surgery

Programs & Centers:

Board Certification:

  • Thoracic and Cardiac Surgery, 1992

Clinical Expertise:

  • Aortic Stenosis
  • Aortic Valve Procedures
  • Cardiac Rehabilitation
  • Coronary Artery Bypass Graft Surgery (CABG)
  • Heart and Lung Transplantation
  • Heart Transplantation
  • Left Ventricular Assist Device
  • Marfan Syndrome
  • Mediastinal Disorders
  • Mediastinal Tumors
  • Minimally Invasive Cardiac Surgery
  • Minimally Invasive Mitral Valve Surgery
  • Mitral Stenosis
  • Mitral Valve Repair
  • Mitral Valve Replacement
  • Pulmonary Valve Stenosis (PVS)
  • Robotic Cardiac Surgery
  • Septal Myectomy
  • Transcatheter Aortic Valve Replacement (TAVR)
  • Tricuspid Regurgitation
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Practice Locations and Appointments

Insurance Accepted

  • Aetna US Healthcare
  • Cigna
  • Cigna HealthSpring
  • Clover Health Plan
  • CVS Health
  • Devon Health Services (Americare)
  • eLAP Services
  • Gateway Health Plan
  • Geisinger Health Plan
  • HealthAmerica / HealthAssurance, a Coventry Plan
  • HealthPartners
  • HealthPartners Medicare
  • HealthSmart
  • Highmark Blue Shield
  • Homestead Smart Health Plans
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana / Choicecare
  • Independence Blue Cross (Keystone East)
  • Intergroup
  • Keystone First
  • Keystone First Medicare
  • Multiplan
  • NJ Medicaid
  • NJ Qualcare
  • Oxford Health Plan
  • PA Health and Wellness (Centene) Medicare
  • PA Medicaid
  • PA Medicare
  • Preferred Health Care/LGH
  • Rail Road Medicare / Palmetto GBA
  • Remedy Partners at Penn Medicine
  • Tricare
  • United Healthcare
  • UnitedHealthcare Community Plan
  • US Family Health Plan
  • Veterans Choice Program

Education and Training

Medical School: Brown University
Residency: Hospital of the University of Pennsylvania
Fellowship: Johns Hopkins Hospital


American Association for Thoracic Surgery, National American Cardiomyoplasty Group, National American College of Cardiology, National American College of Chest Physicians, National American College of Surgeons, National American Society for Artificial Internal Organs, National American Society of Transplant Surgeons, National American Surgical Association, National Association for Academic Surgery, National Cardiac Surgery Biology Club, National Gift of Life Donor Program, Local Greater Delaware Valley Society of Transplant Surgeons, Local Heart Failure Society of America, National International Society for Heart/Lung Transplantation, International International Society of Surgery/Societe Internationale de Chirurgie, International Pennsylvania Association for Thoracic Surgery, Local Philadelphia Academy of Surgery, Local Society of Critical Care Medicine, National Society of Thoracic Surgeons, National Society of University Surgeons, National

Hospital Affiliation

Dr. Acker is employed by Penn Medicine.

Hospital Privileges:

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.
  • Pennsylvania Hospital: Has privileges to treat patients in the hospital.


Selected Publications:

Pilla JJ, Blom AS, Brockman DJ, Ferrari VA, Yuan Q, Acker MA: Passive ventricular constraint improves left ventricular function and mechanics in a model of heart failure secondary to acute myocardial infarction. Journal of Thoracic and Cardiovascular Surgery 126 (5 ): 1467-76,2003.

Zeltsman D, Acker MA: Emerging therapies in heart failure. Heart Failure: A Clinician’s Guide to Ambulatory Diagnosis and Treatment : 271-278,2003.

Acker MA, Milewski K: Biologic and mechanical support for advanced congestive heart failure. In Cardiac Transplantation in Perspective: A Practical Guide for Physicians and Surgeons. New York: Marcel Dekker Publ : 2003.

Zeltsman D, Acker MA: Heart transplantation. Robb and Smith’s Volume on Cardiac Surgery, 5th Edition : 351-61,2004.

McGovern PC, Chambers S, Blumberg EA, Acker MA, Tiwari S, Taubenberger JK, Carboni A, Twomey C, Loh E: Successful explantation of a ventricular assist device following fulminant influenza type a associated myocarditis. Journal of Heart and Lung Transplantation 21 (2): 290-293,2002.

Krasinskas AM, Kreisel D, Acker MA, Bavaria JE, Pochettino A, Kotloff RM, Arcasoy S, Blumenthal N, Kamoun M, Moore JS, Rosengard BR: CD3 monitoring of antithymocyte globulin therapy in thoracic organ transplantation. Transplantation 73 (8): 1339-1341,2002.

Stewart AS, Gorman RC, Pochettino A, Rosengard BR, Acker MA: Left ventricular assist device for right side assistance in patients with transposition. Annals of Thoracic Surgery 74 (3): 912-914,2002.

Zeltsman D, Acker MA: Surgical management of heart failure: An overview. [Review] Annual Review of Medicine 53 : 383-391,2002.

Pilla JJ, Blom AS, Brockman DJ, Bowen F, Yuan Q, Giammarco J, Ferrari VA, Gorman JH, Gorman RC, Acker MA: Ventricular constraint using the acorn cardiac support device (csd) reduces myocardial akinetic area in an ovine model of acute infarction. Circulation 106 (12 Suppl I): 1207-1211,2002.

Pilla JJ, Brockman DJ, Blom AS, Yuan Q, Acker MA: Passive ventricular constraint improves myocardial energetics in a model of heart failure secondary to acute infarction AATS 82nd Annual Meeting, Washington, DC : 2002.

View all publications

Academic Contact Info

Division of Cardiothoracic Surgery
Hospital of the University of Pennsylvania
3400 Spruce Street,
6 Silverstein Pavilion

Philadelphia, PA 19104-4283
Phone: (215) 349-8305
Patient appointments: 800-789-7366 (PENN)

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