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Faculty

The Morristown Medical Center Department of Internal Medicine consists of approximately 300 salaried and volunteer physicians. All have been board-certified in both internal medicine and, where applicable, a subspecialty. Many of our physicians are devoted to teaching and are actively involved in clinical research.

Our full-time faculty members are very involved in our residents' education. Their diverse educational and specialty backgrounds expose our residents to a variety of disciplines:

  • Endocrinology and diabetes
  • Gastroenterology
  • General and academic internal medicine
  • Geriatrics
  • Hospitalist medicine
  • Infectious disease medicine
  • Medicine/pediatrics
  • Metabolic medicine
  • Nephrology
  • Palliative care medicine
  • Pulmonary and critical care medicine
  • Sports medicine

Faculty Biographies

Stanley Fiel, MD

 Stanley Fiel, MD, Regional Chair, Department of Medicine, Atlantic Health System

Stanley Fiel, MD
Regional Chair, Department of Medicine

The de Neufville Professor and Chair, Department of Medicine, Morristown Medical Center.

Dr. Fiel attended the Medical College of Pennsylvania, completed his residency training at Temple University Hospital, and undertook his fellowship training in pulmonary and critical care medicine at the Hospital of the University of Pennsylvania. Prior to joining the Atlantic Health System team in 2003, he was the chair of Pulmonary and Critical Care Medicine at Hahnemann and Drexel Schools of Medicine. Dr. Fiel is world-renowned for his expertise in both chronic obstructive pulmonary disease and the management of cystic fibrosis in adults.

Cilian White, MB BAO BCh

Cilian White, MB BAO BCh, Program Director

Cilian White, MB BAO BCh
Program Director


Dr. White received his medical degree from Trinity College Dublin (Ireland), and completed his internal medicine residency training at New York University. In addition to being board certified in internal medicine with focused practice in hospital medicine, Dr. White has a particular interest in the care of patients on our inpatient oncology and palliative care units and is also a clinical ethics consultant, helping patients, their family members, and healthcare providers deal with difficult ethical issues that arise in patient care. For further professional development, he is pursuing his part-time MBA at the Isenberg School of Management with a focus on Healthcare Administration. Dr. White has been on faculty since 2016. He was Associate Program Director from 2019 to 2021, recently became Program Director and is active in the Association of Program Directors in Internal Medicine (APDIM). 

Kathleen Pergament, DO

Kathleen Pergament, DO, Associate Program Director

Kathleen Pergament, DO
Associate Program Director


Dr. Pergament received her bachelor's degree in biopsychology from Vassar College before earning her Master's in Public Health in the Epidemiology of Infectious Diseases from the Yale School of Public Health. She then went on to study medicine at Lake Erie College of Osteopathic where she received her DO degree. She returned to the tri-state area to complete her internal medicine residency at St. Luke's-Roosevelt Hospital in NYC. Dr. Pergament joined the internal medicine core faculty of Rutgers New Jersey Medical School in Newark in 2015, where she stayed until May 2021. She is thrilled to join us here as an Associate Program Director and Director of Ambulatory Medical Education, as she is passionate about improving Primary Care medical education and resident mentorship. Her clinical interests include Women's Health, Social Justice in Health Care, and Preventive Health. 

R. Steven Klimczak, MD

Kathleen Pergament, DO, Associate Program Director

R. Steven Klimczak, MD
Faculty

Dr. R. Steven Klimczak is a faculty member in the Department of Internal Medicine.  His undergraduate Education was at Southern Methodist University, followed by medical school at the University of Texas Southwestern Medical School in Dallas.  He completed his residency at the University of Texas Medical Branch in Galveston.  After serving an additional year as chief resident from 2018-2019, Dr. Klimczak joined the residency program at Morristown Medical Center as faculty.  He currently practices medicine primarily in the inpatient setting with a focus on medical step-down and neurocritical care.  His greatest passion is teaching and mentoring residents and assisting them on their journey on becoming outstanding physicians.

Padmini Muthyala, MD

Kathleen Pergament, DO, Associate Program Director

Padmini Muthyala, MD
Faculty

Dr. Muthyala is a faculty member in our Department of Internal Medicine. She graduated from Gandhi Medical College, India. She completed her Internal Medicine residency training from Saint Barnabas Hospital in the Bronx where she also worked as core faculty for additional eight years. She currently practices medicine as core faculty in the inpatient setting at Morristown Medical Center. She has been teaching and mentoring residents and medical students for the last 13 years and her focus is on General Medicine with a particular keen interest in infectious diseases.

Keerti Sharma, MD

Kathleen Pergament, DO, Associate Program Director

Keerti Sharma, MD
Faculty

Dr. Keerti Sharma is the Chief of Geriatrics and the Program Director for the Geriatrics Fellowship at Morristown Medical Center. She is an Associate Professor in the Department of Geriatrics at the Rowan School of Osteopathic Medicine. Dr. Sharma completed her training in Geriatrics at NYU Medical Center and has been a faculty member at Rutgers Medical School-Newark NJ and Albert Einstein College of Medicine-Bronx NY prior to joining Morristown Medical Center in 2011. She is board certified in Internal Medicine, Geriatrics and Hospice and Palliative Care. Dr. Sharma is a Fellow of the American Geriatrics Society and is the past president of the NJ Chapter of ‘AMDA-The Society for Post-Acute and Long-Term Care Medicine’ and the’ New Jersey Long Term Care Leaders Coalition’. She has a keen interest in improving the care of the older adults in all care settings and in Medical Education.

Chief Residents

Nisha Giyanani, DO

Nisha Giyanani, DO
Chief Resident

Native to New Jersey, Dr Giyanani grew up in the center of the state. Her undergraduate education at Fairleigh Dickinson University brought her to the Morristown area. Upon graduation, she attended medical school at Rowan University School of Osteopathic Medicine and joined our internal medicine residency program in June 2021. Dr Giyanani is one of our two Chief Residents this year. Her future aspirations include pursuing a cardiology fellowship and finding a niche in women's cardiology. When not devoting her efforts to chiefly duties, her hobbies include reformer pilates, painting, and mindfulness. 

Joseph Petro, MD

Joseph Petro, MD
Chief Resident


Dr. Petro obtained his Doctor of Medicine from St. Georges University. He completed his residency training here at Morristown Medical Center, and has continued his interests in education as one of our two Chief Residents. Dr. Petro plans to pursue a career in cardiology, with a particular interest in interventional cardiology. Outside of medicine, Dr. Petro enjoys playing video games, mountain biking, snowboarding, motorcycles, and gardening.