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About

Montefiore Nyack Hospital is a nonprofit, 375-bed community acute care hospital in Rockland County, NY, founded in 1895 and part of the Montefiore Health System. It provides comprehensive cardiovascular services and cardiology expertise through its affiliated programs, with key leadership in clinical areas relevant to heart care. The hospital partners with Touro College of Osteopathic Medicine for medical student rotations and offers a broad range of services including emergency care, imaging, rehabilitation, and specialty programs. Contact: 845-348-2000; info@montefiorenyack.org. Address: 160 N Midland Ave, Nyack, NY 10960.

Clinic Type

Cardiology

Address

160 N Midland Ave, Nyack, New York 10960, US

Phone

845-348-2650

Email

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Cardiology
  • Non-Invasive Cardiology
  • Echocardiography
  • Nuclear Cardiology
  • Cardiac CT Imaging
  • Cardiopulmonary Rehabilitation
  • Advanced Cardiac Imaging

Technology & Equipment

  • Echocardiography
  • Nuclear Cardiology
  • Cardiac CT Imaging
  • Cardiopulmonary Rehabilitation
  • Advanced Cardiac Imaging

Team

  • Dr. Duane Bryan — Board-certified physician in Clinical Cardiology, Echocardiography and Nuclear Cardiology
  • Dr. Jared Corriel — Board-certified physician in Internal Medicine, Cardiology, Echocardiology, Nuclear Cardiology and Cardiac CT Imaging
  • Dianna Gaballa, MD, FACC — Board-certified Cardiologist (Cardiovascular Disease, Clinical Lipidology, Echocardiography, Nuclear Cardiology, Internal Medicine)
  • Mark Pomerantz, MD — Board-certified physician in Internal Medicine, Cardiovascular Disease, Nuclear Cardiology and Echocardiography
  • Dr. David Southren — Division Director of Cardiology at Montefiore Nyack Hospital; Physician Advisor

Insurance & Payment

Languages Spoken

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • U.S. News & World Report: Individual cardiologist ratings generally range from 3/5 to 5/5 stars based on varying numbers of reviews (Multiple doctors listed with 10-71 reviews each)
  • Healthgrades: 54% patient experience rating

Patients praise

  • Compassionate and professional medical staff
  • Effective emergency cardiac intervention for heart attacks
  • High performing in heart failure care
  • State-of-the-art cardiac catheterization facilities

Common complaints

  • Long wait times in the emergency department
  • Perception of insufficient communication or lack of attention to concerns in some cases

"The staff acted quickly, professionally and with compassion, which helped me feel safe during a very frightening time. I felt well cared for at every step."

Montefiore Nyack Foundation - Grateful Patient Story

"It has been 6 hours and no doctor has seen me. Just a PA who did my exam in the hallway and My EKG was done in the busy hallway as..."

Yelp review via Yahoo Local

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

More cardiology clinics in Nyack

Nyack, NY·Cardiology

Highland Medical offers cardiology services as part of its broader primary care and specialty care network. Key points relevant to Cardiology at Highland Medical Nyack: - Cardiology is among the specialties served, alongside primary care, endocrinology, hematology/oncology, nephrology, neurology, pulmonology, and more. - Locations include Nyack, with the HQ at 160 N Midland Ave, Nyack, NY 10960. - Services available: medical care from a network that integrates cardiology with other specialties; the site suggests convenient access for patients within Highland Medical’s system. - Additional patient conveniences: online bill pay and online appointment options (facilitating access to cardiology services through the same patient portal). If you’re seeking a cardiologist specifically at Highland Medical Nyack, you may want to contact their main line at +1 866 550 4672 or visit the site to request an appointment.

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