Our first priority is the health, wellness and safety of everyone who walks through our doors.

Bryn Mawr Medical Specialists Association is open for medically necessary office visits and procedures only. BMMSA as a corporation is taking all necessary precautions and following public health safety guidelines in regards to the COVID-19 pandemic.

TeleMedicine appointments are now available. Please contact your physicians office for eligibility, additional information, and with any concerns or questions.

As per order of the Commonwealth of Pennsylvania, any person entering our office building is required to wear a face mask at all times. Patients will not be permitted to enter the building without a face mask.

All patients should expect to be phone screened by Bryn Mawr Medical Specialists Association staff for COVID-19 symptoms or exposures prior to their appointment and again upon arrival. Patients should also expect to be temperature screened upon arrival in the office.

If your answer to any of the following questions is “Yes”, we ask that you call to reschedule your appointment.

In the past 14 days, have you developed any fever, cough or shortness of breath?
In the past 14 days, have you developed any of the following new symptoms?

  • Body aches or muscle pains?
  • Chills or repeated shaking with chills?
  • Headache?
  • Sore throat?
  • New loss of taste or of smell?
  • Have you, or anyone you have close contact with, been recently referred for COVID-19 testing?

In the past 14 days, have you traveled outside of PA? If “Yes”, please call the office to notify us of travel BEFORE your appointment. Patients recently returning from travel restricted states or countries will be asked to reschedule their appointment.

For the safety of our staff and other patients, patient family members or companions are not permitted at this time to accompany patients to their appointments (unless medically necessary or the patient is a minor). Bryn Mawr Medical Specialists Association respectfully asks family members or companions to wait outside or safely in their vehicle.

We encourage all of our patients to visit the CDC website and Main Line Health COVID-19 Response website to read more about everyday preventative measures and for the most up to date guidance regarding the Coronavirus (COVID-19). If you are concerned that you may have the Coronavirus (COVID-19), please contact your local Health Departments.

If you have any questions regarding our policy and your appointment, please call your doctor’s office.

John C. Steers, Jr., M.D., F.A.C.C.



  • American Board of Internal Medicine

    Certified - 1993; Recertified - 2003, 2013
  • American Board of Internal Medicine Cardiovascular Disease

    Certified - 1997; Recertified - 2007
  • National Board of Echocardiography

    Certified - 2002; Recertified - 2012
  • Certification Board of Nuclear Cardiology

    Certified - 2009


Bryn Mawr Medical Arts Pavilion
825 Old Lancaster Rd.
Suite 410
Bryn Mawr, PA 19010

Main Line Health Center at Newtown Square
3855 West Chester Pike
Suite 250
Newtown Square, PA 19073

Phone: (610) 527-1165
Fax: (610) 527-6611

  • In Practice Since: 1996

Education & Training

Undergraduate Education

B.S., Biochemistry, McGill University (Montreal, Quebec, Canada) : 1984

Medical Education

M.D., Mount Sinai School of Medicine (New York, NY) : 1990


Internal Medicine, Temple University Hospital (Philadelphia, PA) : 1993


Cardiology, Thomas Jefferson University Hospital (Philadelphia, PA) : 1996


  • Bryn Mawr Hospital – On staff since 1996
  • Paoli Hospital – On staff since 1996
  • Lankenau Hispital – On staff since 1996

Areas of Clinical Interest

Coronary heart disease, valvular heart disease, congestive heart failure, arrhythmias, hyperlipidemia, hypertension, cardiovascular disease prevention, non invasive cardiac imaging.


  • Nissen SE, Tuzcu EM, Libby P, et al. Effect of antihypertensive agents on cardiovascular events in patients with coronary disease and normal blood pressure. The CAMELOT study: a randomized controlled trial. JAMA 2004; 292: 2217-2226. 15536108. Bryn Mawr Hospital Site Primary Investigator.
  • Mendelson, L., Steers, J.C., Pieniek, M., Mannion, J.D., Edie, R.N., Raichlen, J. S., Maniet, A.R., “Is There Utility for Transesophageal Echocardiography During Routine Coronary Artery Surgery.” Circulation, Supp. 1996, 94:8; 2660 (Abstract)
  • Brown, P.M., Steers, J., Hui, S.W., Yeagle, P.L., Silvius, J.R., Role of Head Group Structure in the Phase Behavior of Amino Phospholipids. 2. Lamellar and Non-Lamellar
    Phases of Unsaturated Phlosphatidylethanolamine Analogues. Biochemistry 1986, July 9; 215 (15): 4259-67

Current Memberships and Activities:
Fellow – American College of Cardiology

Current Memberships and Activities

Fellow – American College of Cardiology

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