Meet our Cardiologists

Search cardiologists within Mercy Medical Group and schedule your appointment today

Mercy Medical Group is proud to offer patients a team of cardiologists, all Fellowship-trained and practicing at locations throughout our region.


Rohit Bhaskar, MD

Mehrdad Jafarzadeh, MD

Munir Janmohamed, MD

Roy Kaku, MD

Timothy Lee, MD

Nancy Luo, MD

Catherine Malmsten, MD

Stephen Morrison, MD

Tin Nguyen, MD

Sarwar Orakzai, MD

Tejpal Randhawa, MD

Azadeh Toofaninejad, DO

Cardiac Electrophysiology

Arash Aryana, MD

Mark Bowers, MD

Maheer Gandhavadi, MD

Gearoid O’Neill, MD

Interventional Cardiology

Sundeep Adusumalli, MD

Joseph Kozina, MD

David Lao, MD

Nick Majetich, MD

Walt Marquardt, MD

Amardeep Singh, MD

Karanjit Singh, MD 

Learn More About Us

To learn more about our services and how we can help, please call us at 888.314.3627 or use our online feature, Find a Doctor tool.