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Cardiology services

Health Services Center
110 W. Sixth St.
Suite 280
Oswego, NY 13126
Map and driving directions

Oswego Health offers comprehensive cardiac care that includes office visits provided by board-certified cardiologists and physician assistants with specialized cardiac training. Our services include a range of cardiac testing along with programs for those recovering from a cardiac event.


Thomas Grady, Jr., MD

Board-certified cardiologist Thomas Grady Jr., MD, provides comprehensive cardiovascular services to Oswego Hospital patients and community members of the greater Oswego area. Dr. Grady is an accomplished physician in his specialty.

Dr. Grady attended medical school at Tufts University School of Medicine. Following medical school, he served in the U.S. Navy, where he completed his first internship. After his honorable discharge, Dr. Grady completed his internship and residency training at Duke University Medical Center. He fulfilled his fellowship at the prestigious Cleveland Clinic Foundation.

He is a fellow of the American College of Cardiology and a member of the American Society of Nuclear Cardiology and the American Heart Association.

David Bass, DO, FACC

Board-certified in cardiovascular disease and internal medicine; David Bass, DO, earned his medical degree from New York College of Osteopathic Medicine. In addition, Dr. Bass completed his fellowship in cardiovascular medicine at the Nassau University Medical Center.

Dr. Bass has extensive cardiovascular experience throughout New York State, including being a noninvasive cardiologist at Canton Potsdam Hospital. He is a fellow of the American College of Cardiology, diplomate status with the American Society of Nuclear Cardiology and diplomate status with the National Board of Echocardiography.

David Downey, PA

David Downey sees patients in suite 270 of the Oswego Health Services Center. He provides consults to Oswego Hospital patients and offers care to those who arrive in the hospital's emergency department with cardiac issues.

Downey earned his physician assistant degree from Daemen College, located in Amherst, and has been employed by the Oswego Health system for most of his healthcare career.

Michael Carey, PA

Michael Carey obtained his bachelor's degree from the State University of New York at Geneseo, graduating summa cum laude. While attending Oswego High School, Carey was a volunteer at Oswego Hospital, which piqued his interest in pursuing a career in healthcare. He was a member of Le Moyne College's American Academy of PAs National Medical Knowledge Challenge Bowl Team and was honored with the Donald DeMott Outstanding Community Service Award while at Geneseo. This award recognizes a senior student whose college career has been characterized by an unusually strong commitment to volunteer work, and who has made a significant contribution to the efforts of a volunteer organization. He was a volunteer medic for the Geneseo Fire Department, a SUNY Geneseo First Responder and a student driver for the college's SART Program.

Carrie Marlow, PA

Having more than 14 years of diverse experiences, Carrie Marlow provides care at Oswego Health's cardiology department. She is providing care at the Fulton Primecare location.

Valerie Pirro, PA

Valerie Pirro, PA previously was an EMT-Basic for the Baldwinsville Ambulance Corps, where her passion and drive for helping others began.

Pirro is well-rounded in cardiology and had clinical rotations in pediatrics, internal medicine, behavioral medicine, emergency medicine, women’s health, and general surgery. She studied at Le Moyne College where she earned both her Bachelor of Science in Biology in May 2019 and Master of Science in Physician Assistant Studies in August 2021.

Cardiovascular testing

  • Transesophageal echocardiograms, which provide a close look at the heart's valves and chambers
  • Cardioversions, a treatment for heart rhythms that are abnormal

Stress tests including:

  • Echocardiogram using a treadmill
  • Nuclear stress test
  • Dobutamine and Lexiscan® (uses medication and are non-treadmill stress tests)
  • The reading of both echocardiograms and Holter monitor reports

Cardiac rehabilitation services

At the Lakeside Heart Center, the philosophy is to restore and maintain good heart health through innovative exercise and education programs. The primary goals of the program are to assist community members physically and emotionally recover from their cardiac event and to prevent other cardiac events from occurring.

These two goals are met through individual education sessions and structured exercise classes.

Located in the historic Kingsford Professional Building, 177 W. 4th St., Oswego, participants are instructed by a medically licensed staff in a safe and supervised exercise environment.

Learn more about our cardiac rehabilitation services.

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