Samantha Feld, MD

Samantha Feld, MD is a Clinical Assistant Professor of Pediatrics and Internal Medicine. She is joining the Med-Peds faculty as a Primary Care Provider in the Med-Peds clinic at Islip. She graduated Wesley College in Biology and went on to Georgetown University to get a Master’s degree in Complementary and Alternative Medicine. She completed her medical school education at Jefferson Medical College (Now called Sidney Kimmel Medical College). She went  on to complete her Med-Peds residency at Stony Brook where she took a special interest in patient safety and took on the role of patient safety resident for the Med-Peds program. Her clinical and academic interests include Med-  Peds primary care, managing patients with chronic conditions, QA/QI/Patient safety, community outreach, strengthening the Med-Peds residency, medical education and training of residents and medical students.

Aleksey Tentler, MD

 Aleksey Tentler, MD, is a Clinical Assistant Professor of Pediatrics and Internal Medicine at Stony Brook University. After immigrating from Ukraine at the age of 10, Alex Tentler grew up and received his higher education in Rochester, NY, graduating with a Masters in Computer Science and Medical Informatics from Rochester Institute of Technology, followed by a Medical Degree from the University of Rochester. He then went on to the Rutgers New Jersey Medical School in Newark, NJ, where he received his residency training in Med-Peds, served as Internal Medicine Chief Resident with a focus on quality improvement and simulation training, and then joined the faculty, serving, over the past 9 years, as teaching attending, Vice-Chair of several EHR committees, pre-clinical course director, and Director of educational informatics. He is currently board-certified in Pediatrics, Internal medicine, and Clinical Informatics. At Stony Brook, he will be working primarily at the Med-Peds clinic in Islip and half-day a week at the Cystic Fibrosis Center in Islip. His interests include primary care, chronic disease management, medical education, quality improvement and workflow efficiency, mindfulness and integrative medicine, EHR optimization, innovative uses of technology in medicine, knowledge management, task management and organization, and tools for thought. having moved from New Jersey to Long Island several years ago, he is currently living in Plainview, NY with his wife, two toddlers, three cats, three fish, and two snails, and he is very glad to be joining the faulty at Stony Brook! 




Grace Ker, MD

Grace Ker, MD is a Clinical Assistant Professor of Pediatrics and Internal Medicine at Stony Brook University. She is joining the Med-peds faculty as a Pediatric Intensivist and Pediatric Palliative Care provider at Stony Brook Children’s Hospital. She graduated from Tufts University with a degree in Biochemistry. She completed her medical school education at Wayne State University School of Medicine in Detroit, Michigan. She went on to complete her residency in Internal Medicine and Pediatrics at Baystate Health where she developed a special interest in education initiatives related to communication during serious illness. She went on to complete Pediatric Critical Care fellowship at Cohen Children’s Hospital and Hospice and Palliative Medicine fellowship at The Children’s Hospital of Philadelphia. Her clinical and academic interests include resident education, simulation, ultrasound and QI/QA initiatives.




Catherine Kier, MD, MHA 

Catherine Kier, MD, MHA  is a pediatric pulmonologist, she is Professor of Clinical Pediatrics, Division Chief of Pediatric Pulmonary; Director of Cystic Fibrosis Center and Director of Pediatric Sleep Disorders at Stony Brook University Medical Center. She completed her pediatric pulmonary fellowship at the Children’s Hospital of Philadelphia and her postdoctoral sleep fellowship in the University of Pennsylvania in Philadelphia.  She is board certified in Pediatrics, Pediatric Pulmonary and in Sleep Medicine, and is a certified asthma educator. Dr. Kier is passionate about mentoring and has mentees at different levels - junior faculty, pediatric pulmonary and sleep fellows, pediatric and med-peds residents, medical students, graduate students and undergrads. Dr. Kier is involved in a number of scholarly activities and clinical research in asthma, pediatric sleep and cystic fibrosis (CF). She works with residents and fellows on various research and QI projects. Recent projects had been on asthma and health disparities, asthma and obesity, anxiety and depression in pediatric sleep, CF related diabetes, quality initiative in CF.