Physicians

Mark Lebenthal, MD, FACC, FACP
Stephen Ocken, MD, FACC
Chandreshwar Shahi, MD, FACC
Jeff Taylor, MD, FACC, FSCAI
Alexander Ivanov, MD, FACC
Shivang Trivedi, MD, FACC, FASNC
Ranjita Sengupta, MD, FACC

Management Team

Management Staff

Judy Kolibas, LPN
Clinical Supervisor

Sheryl L. Alston
Testing Lab Supervisor

Lisa Leon
Administrative Coordinator

Billing/Business Office Staff

Donna Occhipinti,
Transcriptionist

Ada Spektor,
Insurance Coordinator

Nurse Practitioners

Mary Joan Doran Barr, RN, APN-C

Andrea Walborn-Haynie, RN, APN-C

Reception/Scheduling

Cynthia Dvorscak,
Cardiac Testing and Procedure Scheduler


Shonda M. Oliver,
Front Desk Manager

Medical Assistants/LPNS

Judy Kolibas, LPN

Kristy Campbell, Medical Assistant

Diane Clauss, Medical Records Assistant

Natasha N. Sharpe, Medical Assistant

Sheryl L. Alston, Medical Assistant

Adwanna Tanner, MA, Medical Assistant

Anabel Renteria, MA, Medical Assistant

Claudia Provenzano, MA, Medical Assistant

Technologists

Donna Bakker, Nuclear Technologist

Elizabeth Jayaraj, Echo Technician

Lucy Adorna, Stress Technician

Jim Beach, Vascular Technologist

Brandy Giarruffo, Testing Lab Coordinator

Get to know CASC

Alexander Ivanov
Alexander Ivanov, MD, FACC

Kristy Campbell, MA


Specialties:
Consultative/Clinical Cardiovascular Medicine
Electrophysiologist – Pacemakers, Defibrillators and Catheter Ablation