Viral Sheth, M.D., F.A.C.C.
Themistoklis Nissirios MD
Lisa Thayer, MSN, ANP-C
Dr. Sheth is a board-certified specialist in internal medicine, cardiovascular disease, echocardiography and lipidology. He has a subspecialty certification in nuclear cardiology. He is a graduate of Albany Medical College, NY. He did his internship, residency, and fellowship at Thomas Jefferson University Hospital in Philadelphia, PA.

Diplomate, American Board of Internal Medicine
Diplomate, ABIM, Cardiovascular Disease
Diplomate, American Society of Nuclear Cardiology
Dr. Nissirios is a board-certified specialist in Internal Medicine, and Cardiovascular Disease. He has a subspecialty certification in Nuclear Cardiology. He is a graduate of University of Medicine and Dentistry of NJ/Robert Wood Johnson Medical School. He did his internship and residency at Montefiore Hospital, and his fellowship at Cooper Hospital University Medical Center, in New Jersey.

Diplomate, American Board of Internal Medicine

Diplomate, ABIM, Cardiovascular Disease

Diplomate, American Society of Nuclear Cardiology

Lisa is a Certified Adult Nurse Practitioner. She is a graduate of Mount Saint Mary College, NY. She also holds a Bachelor of Science in Nursing.

NYS Adult Nurse Practitioner Certification
NYS Professional Registered Nurse
National Lipid Association Certified




Hospital Affiliations:

  • Orange Regional Medical Center – Arden Hill Campus
  • St. Anthony’s Hospital