Meet Emergency Medicine Faculty | Hackensack Meridian Health   

Meet Our Faculty

Adult Emergency Medicine Faculty

Gregory Sugalski, M.D.

Gregory Sugalski, M.D., MBA

Interim Chair

Medical Education: Rutgers New Jersey Medical School
Emergency Medicine Residency: Rutgers New Jersey Medical School
Emergency Medicine Research and Clinical Interests: Operations, Patient Safety & Quality

Andrew Amaranto, M.D.

Andrew Amaranto, M.D.

Vice Chair, Operations

Medical Education: Robert Wood Johnson Medical School
Emergency Medicine Residency: New York-Presbyterian Hospital-Weill Columbia/Cornell
Emergency Medicine Research and Clinical Interests: Operations

Michael Ullo, M.D.

Michael Ullo, M.D., MHCI, CPHQ

Vice Chair, Quality and Patient Safety

Medical Education: Rutgers Robert Wood Johnson Medical School
Emergency Medicine Residency: Rutgers New Jersey Medical School
Emergency Medicine Research and Clinical Interests: Operations, Patient Safety & Quality


Aleksandr Tichter MD

Aleksandr Tichter, M.D., M.S.

Vice Chair of Education

Medical Education: Tufts University School of Medicine
Emergency Medicine Residency: New York Presbyterian Hospital
Emergency Medicine Research and Clinical Interest: Medical education, implementation science


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Mohammad Abboud, M.D.

Medical Education: Rutgers, NJMS, Newark
Residency Training: Temple University
Fellowship Training: Research, Temple University


Joel Aguilar MD

Joel Aguilar, M.D.

Medical Education: CUNY School of Medicine
Residency Training: New York Presbyterian Queens
Fellowship Training: Simulation-NYP


Kameno Bell, M.D.

Kameno Bell, M.D.

Clerkship Director

Medical Education: Carle Illinois College of Medicine at the University of Illinois at Urbana-Champaign
Emergency Medicine Residency: University of Illinois at Chicago
Fellowship Training: Sports Medicine, Indiana University Hospital
Emergency Medicine Research and Clinical Interests: Sports Medicine, Indiana University Hospitals


Emily Benton

Emily Benton, M.D.

Medical Training: SUNY Buffalo
Residency Training: NYP
Fellowship Training: Geriatrics-NYP

Alyssa Berns, D.O.

Alyssa Berns, D.O.

Assistant Residency Program Director

Medical Education: West Virginia School of Osteopathic Medicine
Emergency Medicine Residency: Hackensack University Medical Center
Fellowship: Critical Care, Rutgers New Jersey Medical School
Emergency Medicine Research and Clinical Interests: Medical Education, Transitions of Care in Critical Patients, Resuscitation

Biren Bhatt

Biren Bhatt, M.D.

Medical Education: Rutgers New Jersey Medical School
Residency Training: New York Presbyterian Hospital

Kristopher Bianconi

Kristopher Bianconi, M.D.

Medical Education: St Georges University School of Medicine
Residency Training: Newark Beth Israel Medical Center
Fellowship Training: Echocardiography,Renaissance School of Medicine at Stony Brook University
Fellowship Training: Emergency Medical Services, Rutgers Health Newark Beth Israel Medical Center


Hannah Blakely

Hannah Blakely, M.D.

Medical Education: UAMS-University of Arkansas for Medical Sciences
Residency Training: Maimonides Medical Center
Fellowship Training: Medical Education- Maimonides Medical Center


Mark Brubaker

Mark Brubaker, M.D., MBE

Medical Director, Observation Services

Medical Education: New York Medical College
Residency Training: Montefiore Emergency Medicine Residency



Jared Ditkowsky MD 

Jared Ditkowsky, M.D.

Medical Director

Medical Education: SUNY Downstate Health Sciences University - College of Medicine
Emergency Medicine Residency: Mount Sinai Medical Center
Emergency Medicine Research and Clinical Interests: Health Care Policy, Hospital Quality and Operational Research, and Clinical Translational Research


Nicole Eiden

Nicole Eiden, M.D.

Medical Training: New York Medical College
Residency Training: Mount Sinai Morningside-West


Daria Falkowitz, D.O.

Daria Falkowitz, D.O.

Director of Toxicology

Medical Education: New York Institute of Technology College of Osteopathic Medicine
Emergency Medicine Residency: Staten Island University Hospital
Fellowship: Medical Toxicology

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Galina Grigoryan, M.D.

Medical Training: State University of New York Health Science Center at Brooklyn, College of Medicine
Residency Training: Lenox Hill Hospital, Internal Medicine Residency 1998-2000
Columbia-Presbyterian Medical Center, Radiology Residency 1997-1998
Winthrop University Hospital, Internal Medicine Internship 1996-1997


Christina Hajicharalambous, D.O.

Christina Hajicharalambous, D.O.

Residency Program Director

Medical Education: New York College of Osteopathic Medicine
Emergency Medicine Residency: Residency: St. Barnabas Hospital
Fellowship: Medical education and Simulation. Icahn School of Medicine at the Mount Sinai Medical Center
Masters in Medical Education, University of Pennsylvania
Emergency Medicine Research and Clinical Interests: Medical Education, Simulation, Wellness, Faculty Development


Han Jun

Jun Han, M.D.

Medical Training: Ross University School of Medicine
Residency Training:New York-Presbyterian/Queens - Categorical Internal Medicine


William Haussner

William Haussner, M.D.

Assistant EMS Medical Director

Medical Training: Rutgers Robert Wood Johnson Medical School
Residency Training: New York Presbyterian Hospital-Weill Cornell


Jonathon Haverty DO

Jonathon Haverty, D.O.

Director of Ultrasound

Medical Education: Chicago College of Osteopathic Medicine
Emergency Medicine Residency: Northwell - North Shore University Hospital/ Long Island Jewish Medical Center
Fellowship: Ultrasound, Northwell- North Shore University Hospital

Monica Hernandez, M.D.

Monica Hernandez, M.D.

Clerkship Director

Medical Education: SUNY Downstate Medical School
Emergency Medicine Residency: Jacobi-Montefiore Emergency Medicine Residency
Internship: Mount Sinai Hospital and Medical Center Internship
Emergency Medicine Research and Clinical Interests: Undergraduate Medical Education, Graduate Medical Education, Performance Improvement


Kevin Hewitt, M.D.

Kevin Hewitt, M.D.

Medical Education:State University of New York
Emergency Medicine Residency: The Brooklyn Hospital Center
Emergency Medicine Research and Clinical Interests: Bedside teaching, Administrative leadership, Operational compliance


Robert Iannaccone

Robert Iannaccone, M.D.

Medical Education: Rutgers New Jersey Medical School
Residency Training: University of Maryland


Young Min Kim

Young Min Kim, M.D.

Medical Education: Hahnemann University School of Medicine
Residency Training: Albert Einstein Medical Center/Jacobi Medical Center


Joseph Kim, M.D.

Medical Training: New York Medical College
Residency Training: Northwell- North Shore University Hospital/ Long Island Jewish Medical Center
Fellowship Training: Ultrasound, Northwell- North Shore University Hospital


Samantha Klein

Samantha Klein, M.D.

Medical Training: Yeshiva University Albert Einstein 
Residency Training: Albert Einstein/Jacobi-Montefiore;
Fellowship Training: Toxicology-NYU Grossman


Jennifer Kleven

Jennifer Kleven, M.D.

Clinical Physician Faculty

Medical Education: Georgetown University School of Medicine
Residency Education: Hackensack University Medical Center
Emergency Medicine Interests: Medical education, Patient safety and quality, Evidence based medicine, Wellness and resiliency, Social Justice, Health policy


Edward Lee

Edward Lee, M.D.

Medical Education: Rutgers New Jersey Medical School
Residency Training: Rutgers New Jersey Medical School


Abby Lowe

Abby Lowe, D.O.

Assistant Director of Quality

Medical Training: Marian University COM
Residency Training: Hackensack University Medical Center


Joshua McGough

Joshua McGough, M.D.

Medical Education: Renaissance School of Medicine at Stony Brook University
Residency Training: Renaissance School of Medicine at Stony Brook University


Alina Mitina

Alina Mitina, D.O.

Medical Education: Western University of Health Sciences, COMP-Northwest
Residency Training: St Johns Riverside Hospital


Herman Morchel, M.D., P.E.

Herman Morchel, M.D., P.E.

Director of Simulation Training Lab, Medical and Engineering Director Mobile Hospital Program

Medical Education: Rutgers NJ Medical School
Residency Training: Newark Beth Israel Medical Center
Emergency Medicine Research and Clinical Interests: Simulation based training, Medical education, Advanced technology application to patient care, Mobile Medical facilities.

Jillian Moretto

Jillian Moretto, D.O.

Assistant Medical Director, Emergency Medicine

Medical Training: NYIT College of Osteopathic Medicine
Residency Training: Northwell
Fellowship Training: Telemedicine, Northwell- North Shore University Hospital


Gregory Moy

Gregory Moy, D.O.

Medical Training: NYIT College of Osteopathic Medicine
Residency Training: Northwell- North Shore University Hospital/ Long Island Jewish Medical Center


David Negron

David Negron, M.D.

Medical Education: SUNY Downstate Medical School
Residency Training: Brooklyn Hospital Center


Shaun Patterson, D.O., M.B.S., FAEMS

Shaun Patterson, D.O., M.B.S., FAEMS

Medical Director of EMS - Emergency Management Assistant Professor

Medical Education:Rowan University School of Osteopathic Medicine
Emergency Residency Training: Morristown Medical Center Morristown, NJ
Fellowship Training: Emergency Medical Services, University of North Carolina – Chapel Hill
Emergency Medicine Research and Clinical Interests: Pre-hospital Medicine, EMS Education, and International Medical Diplomacy

Michael Quinn DO 

Michael Quinn, D.O.

Clerkship Director

Medical Education: New York College of Osteopathic Medicine at New York Institute of Technology
Emergency Medicine Residency: Northwell- North Shore University Hospital/ Long Island Jewish Medical Center


Khizer Rizvi

Khizer Rizvi, M.D.

Medical Training: Albany Medical College

Residency Training: Northwell- North Shore University Hospital/ Long Island Jewish Medical Center
Fellowship Training: Medical Toxicology, Northwell- North Shore University Hospital


Bruce Rubenstein

Bruce Rubenstein, M.D.

Medical Director, Psychiatric Emergency Medicine

Medical Education: New York University School of Medicine
Residency Training: New York University Medical Center


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Mai Saber, D.O, M.P.H

Medical Education: Rowan University School of Osteopathic Medicine
Residency Training: St. Joseph’s Regional Medical Center


Malisha Shah

Malisha Shah, M.D.

Medical Education: Rutgers Robert Wood Johnson Medical School
Residency Training: Icahn School of Medicine At Mount Sinai


Lana Shaker, M.D.

Lana Shaker, M.D.

Assistant Residency Program Director

Medical Education: Rutgers New Jersey Medical School
Emergency Medicine Residency: Rutgers New Jersey Medical School
Emergency Medicine Interests: Medical Education, Evidence Based Medicine, Women’s Health


Hemlata Sharma 

Hemlata Sharma, M.D.

Medical Education: St. George’s University School of Medicine
Residency Training: Nassau University Medical Center/Lincoln Medical Center


Ranjit Singh

Ranjit Singh, D.O.

Medical Training: NYIT College of Osteopathic Medicine
Residency Training: Hackensack University Medical Center


Alison Thurber, M.D.

Alison Thurber, M.D.

Director of Residency Simulation Curriculum Assistant Professor

Medical Education:Ross University School of Medicine
Emergency Medicine Residency: SUNY Upstate Medical University
Emergency Medicine Research and Clinical Interests: Simulation Education, In Situ Simulation, Graduate and undergraduate medical education, Patient Safety & Quality

Joseph Underwood, M.D.

Joseph Underwood, M.D., MHCDS, FACEP

Acting Chief Medical Officer

Medical Education: Robert Wood Johnson Medical School
Emergency Medicine Residency: New York-Presbyterian – Weill Cornell Medical Center


Rebecca White M.D.

Rebecca White, M.D.

Medical Education Fellow

Medical Education:Zucker School of Medicine
Emergency Medicine Residency: Vanderbilt University Medical Center
Emergency Medicine Research and Clinical Interests: Medical Education and Curriculum Innovation, Health Equity, Wellness, and Mentorship of Trainees


Megan Winters

Megan Winters, D.O.

Medical Training: Touro College of Osteopathic Medicine
Residency Training: Hackensack University Medical Center


Edward Yamin

Edward Yamin, M.D.

Medical Education: Universidad Nacional Pedro Henriquez Urena
Residency Training: Montefiore Medical Center


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Joseph Zambratto, D.O.

Medical Training: NYIT College of Osteopathic Medicine
Residency Training: Northwell, North Shore at Plainview
Fellowship Training: Tox-Northwell, North Shore at Plainview


Jared Ziff MD Jacob Ziff, M.D.

Medical Education: Icahn School of Medicine at Mount Sinai
Residency Training: Icahn School of Medicine At Mount Sinai


Meet Our Faculty

Pediatric Emergency Medicine Faculty

Virteeka Sinha, M.D.
Medical Director for the Pediatric Emergency Department
Medical Education: BP Koirala Institute of Health Sciences, Nepal
Residency Training: Staten Island University Hospital
Fellowship Training: Pediatric Emergency Medicine, SUNY Downstate Medical

Antonio Thomas, M.D.
Associate Chief, Pediatric Emergency Medicine
Medical Education: Rutgers New Jersey Medical School
Residency Training: Pediatrics, Rutgers New Jersey Medical School

Avital Bauman, M.D.
Medical Education: Technion Israel Institute of Technology
Residency Training: Jacobi Medical Center
Fellowship Training: University of Rochester Medical Center

Karen Eigen, M.D., M.P.H.
Lead, Community Outreach & Telehealth, Pediatric Emergency Medicine
Medical Education: Albert Einstein College of Medicine
Residency Training: Pediatrics, Icahn School of Medicine at Mount Sinai

Jesse Humm, M.D.
Medical Education: State University of NY at Stony Brook School of Medicine
Residency Training: Yale New Haven Hospital
Fellowship Training: Mount Sinai Hospital and Medical Center

Magdaline Kopacz, M.D.
Medical Education: Jagiellonian University Medical College
Residency Training: Pediatrics, Rutgers New Jersey Medical School

Marni Kriegel, M.D.
Lead, Medical Student Education, Pediatric Emergency Medicine
Medical Education: Rutgers New Jersey Medical School
Residency Training: Pediatrics, Rutgers New Jersey Medical School

Sondra Maureen Nemetski, M.D., Ph.D.
Lead, Simulation, Pediatric Emergency Medicine
Medical Education: New York University Grossman School of Medicine
Residency Training: Pediatrics, NewYork-Presbyterian/Weill Cornell Medical Center
Fellowship Training: Pediatric Emergency Medicine, Children’s Hospital at Montefiore Medical Center/Albert Einstein College of Medicine

Jiwoong Shin, M.D.
Medical Education:Robert Wood Johnson Medical School
Residency Training:Donald and Barbara Zucker School of Medicine
Fellowship Training:Cohen Childrens Medical Center

Shantel Suncar, M.D.
Medical Education:Robert Wood Johnson Medical School
Residency Training:Cohen Children's Medical Center
Fellowship Training:Maimonides Medical Center

Prerna Trivedy, M.D.
Medical Training: Armed Forces Medical College Pune
Residency Training: Monmouth Medical Center
Fellowship Training: PEM, Newark Beth Israel Medical Center

Temima Waltuch, M.D.
Lead, Resident Education, Pediatric Emergency Medicine
Medical Education: Albert Einstein College of Medicine
Residency Training: Pediatrics, Montefiore Medical Center/Albert Einstein College of Medicine
Fellowship Training: Pediatric Emergency Medicine, Icahn School of Medicine at Mount Sinai

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