Division of Endocrinology, Diabetes and Metabolism Faculty

The Faculty at Rutgers New Jersey Medical School provides a diverse range of expertise in Diabetes and Metabolism, Pituitary disorders, Bone and Calcium disease, Transgender medicine, Thyroid disease, Adrenal disease, and Neuroendocrine tumors.

David Bleich, MD

Professor of Medicine
Director, Division of Endocrinology

Faculty Profile

Dr. Bleich is Chief, Division of Endocrinology, Diabetes, & Metabolism and Professor of Medicine at Rutgers New Jersey Medical School. Nationally recognized expert in both type 1 and type 2 diabetes and has played leadership roles in diabetes organizations including the American Diabetes Association the Juvenile Diabetes Research Foundation International, and the Department of Defense Diabetes Grant Review. Dr. Bleich has conducted grant-funded bench research in pancreatic beta-cell function and has spent >10,000 hours caring for individuals with diabetes, as well as mentoring and teaching medical students, residents and endocrine fellows.

Present interest and focus is improving the quality of diabetes care and developing a data-driven holistic approach to patient care. Strong education professional as Fellowship Director of Endocrinology, Diabetes, and Metabolism at Rutgers and fellowship training from Harvard Medical School.

Sree S. Kowsika, MD

Assistant Professor of Medicine

Faculty Profile

Dr. Sree Kowsika is an Assistant Professor of Endocrinology and Diabetes at Rutgers New Jersey Medical School. She obtained her medical degree from Osmania Medical College in India and completed her residency in Internal Medicine at the University of Pittsburgh. Dr. Kowsika subsequently served as an attending physician in Hospital Medicine before pursuing a fellowship in Obesity Medicine at the University of Pittsburgh. She continued her specialized training with a fellowship in Endocrinology at Rutgers NJMS. Her professional interests span obesity, endocrinology, and diabetes, and she is committed to advancing clinical care and medical education in these fields.

Monique T. Malvar, MD

Assistant Professor of Medicine

Faculty Profile

Dr. Malvar was born and raised in the Philippines and graduated cum laude both in nursing and medical school from the University of Santo Tomas, the first medical school of the country. Throughout her education, she focused on serving underserved communities and participated in various medical missions. After completing her internal medicine residency in New York during the COVID pandemic, she pursued an Endocrinology Fellowship at Rutgers NJMS. She enjoys relationships with patients, collaborative care in navigating their conditions, and teamwork.

Simge Yuksel, MD

Assistant Professor of Medicine

Faculty Profile

Dr. Yuksel is an Assistant Professor of Medicine in the Division of Endocrinology, Diabetes and Metabolism at Rutgers New Jersey Medical School (NJMS). She received her Doctor of Medicine degree from Koc University School of Medicine in Istanbul, Turkey. Dr. Yuksel completed her Internal Medicine residency training at Loyola University Medical Center in Chicago, Illinois. Following this, she completed a fellowship in Endocrinology, Diabetes and Metabolism at Montefiore Medical Center/Albert Einstein College of Medicine in Bronx, New York. In clinical practice, she focuses on all types of endocrine diseases with a special interest in weight management and transgender medicine. She recently joined the Obesity Medicine Program faculty at University Hospital Weight Management Center. Dr. Yuksel participated in translational and clinical research studies at University of Cambridge in Cambridge, UK, Loma Linda University in Loma Linda, California and Rush University in Chicago, Illinois. She is currently working on a translational research project on thyroid cancer.

John Shin, MD

Assistant Professor of Medicine

Faculty Profile

Dr. Shin has been a practicing Endocrinologist since 2003. He is an Attending Endocrinologist at the New Jersey Veterans Affairs Medical Center (VANJ). He holds a bachelor’s degree from the University of Rochester and an M.D. from St. George’s University School of Medicine. He then completed an Internal Medicine residency at The New York Hospital Medical Center of Queens followed by a fellowship in Endocrinology, Diabetes and Metabolism at S.U.N.Y – Downstate Medical Center.

During his fellowship training under Drs. James Sowers and Samy McFarlane he was an investigator in the diabetes prevention trial, the DREAM study. During his time at the VA Medical Center, he was involved in clinic trials as a site principal investigator for the Origin Trial (Outcome Reduction with an Initial Glargine Intervention), a sub-investigator in the VA Cooperative Study, Glycemic Control and Complications in Diabetes Mellitus Type 2, and the EXSCEL study to Evaluate Cardiovascular Outcomes After Treatment with Exenatide once weekly in patients with type 2 diabetes mellitus. Although his clinical trial interests have centered on diabetes mellitus, he was instrumental in starting the endocrine division’s ultrasound guided thyroid biopsy for the fellowship program and initiated the insulin pump program at the VANJ.

He enjoys working with medical students, house staff and fellows and enjoys collaborative case discussions. On his days off he enjoys spending time with his wife and children, watching documentaries and Premier League Soccer, reading, going out to restaurants, playing tennis/pickleball/golf, and traveling.

Sridhar S. Nambi, MD, FACE

Dr. Srihar S. Nambi is a board-certified Endocrinologist and Fellow of the American College of Endocrinology with more than two decades of clinical, academic, and administrative leadership experience. He currently serves as Director of the Division of Endocrinology at Cooperman Barnabas Medical Center, where he has played a key role in advancing patient care, physician education, and institutional quality initiatives. Dr. Nambi has held numerous leadership positions, including Co-Chair of the Department of Endocrinology and Chair of the Clinical Competence Committee.

A dedicated educator and clinician, he has been widely recognized for excellence in teaching and clinical practice, including multiple honors as a New Jersey Top Doctor and recipient of the Golden Apple Harvey E. Nussbaum Award. His professional interest span diabetes, endocrinology, and clinical governance, and he remains actively engaged in national and international professional societies.

Chirag N. Boradia, DO

Dr. Chirag N. Boradia is a highly distinguished, board-certified Endocrinologist with over 15 years of clinical and academic experience. He currently serves as an Endocrinology Attending at Endocrine and Metabolic Specialists in Livingston, NJ, and provides expert inpatient consultation at Cooperman Barnabas Medical Center. Throughout his career, Dr. Boradia has demonstrated a deep commitment to patient care and medical education, notably managing the DKA unit during the COVID-19 pandemic and serving on the Residency Review Committee for Internal Medicine.

Dr. Boradia earned his Doctorate in Osteopathic Medicine from the New York College of Osteopathic Medicine, where he received academic honors in Biochemistry. He completed his Internal Medicine residency and served as Chief Resident at Westchester Medical Center/New York Medical College, subsequently completing a specialized fellowship in Endocrinology, Diabetes, and Metabolism at the same institution.

A passionate educator, Dr. Boradia has been recognized as "Best Teaching Attending" and "Best Teaching Resident." He frequently leads clinical rounds for medical students, residents, and fellows, and has lectured extensively on endocrine pathophysiology. His research contributions include co-investigating performance characteristics of L-dopa in growth hormone deficiency and presenting case reports at national AACE scientific meetings.

Consistently recognized by his peers and patients, Dr. Boradia has been voted a NJ Monthly Top Doc every year from 2014 through 2026. He is an active member of the Endocrine Society and the American Association of Clinical Endocrinologists.

Suruchi Satish Karnik, MD

Dr. Suruchi Satish Karnik, MD, is an Endocrinologist at Cooperman Barnabas Medical Center in Livingston, NJ. Board-certified in both Endocrinology and Internal Medicine, she specializes in the diagnosis and management of complex hormonal disorders, diabetes, and metabolic health.

Dr. Karnik completed her fellowship in Endocrinology, Diabetes, and Metabolism at SUNY Downstate Medical Center and her Internal Medicine residency at Maimonides Medical Center in Brooklyn. Her medical foundation includes a residency and medical degree from the prestigious Grant Medical College in Mumbai, India, where she also served as Chief Resident at Seth V.C. Gandhi and M.A. Vora General Hospital.

An active contributor to medical literature, Dr. Karnik has published research on the intersection of COVID-19 and glycemic control, obesity risks, and rare endocrine presentations like pituitary metastasis. Her scholarly work includes:

• Quality Improvement: Investigating inpatient hypoglycemia etiologies and levothyroxine dosage adjustments in enteral feeding.
• Conference Presentations: Regular presenter at major assemblies including the Endocrine Society, AACE, and ATS, covering topics from Graves’ disease to adrenal insufficiency.

Dr. Karnik is fluent in English, Hindi, and Marathi, allowing her to provide culturally competent care to a diverse patient population.