University Medical Group Cranston RI

Jeffry C. Winters, MD

Dr. Jeffry Winters is a graduate of St. Louis University School of Medicine and completed his residency in Internal Medicine at Rhode Island Hospital. He was a founding member of Coastal Medical, joining in 1995.

Karen H. Stevenson, MD

Dr. Karen Stevenson received her medical education from New Jersey Medical School in 1984. She completed her residency at Rhode Island Hospital in 1987, and prior to joining Coastal, practiced at Park Internal Medicine Group.

Mariko Wong, MD

Dr. Mariko Wong received her medical degree from Albert Einstein College of Medicine of Yeshiva University in Bronx, NY and completed her residency in internal medicine at University of Washington in Seattle, WA. Dr. Wong also completed a geriatric medicine fellowship at the University of Chicago in Chicago, IL. Prior to joining Coastal Medical, Dr. Wong was an assistant professor of medicine at the University of Chicago.

Although Dr. Wong enjoys seeing patients of all ages, she has a particular interest in working with older patients. She believes that, in addition to managing their medical diagnoses, a geriatrician should also understand older patients’ functional ability, cognition, and mental health to take better care of them. She also values incorporating patients’ preferences and social circumstances to their plan of care. For more information on geriatric medicine: / and /.

Dr. Wong grew up in a Boston suburb and enjoys spending time with her husband and daughter during her free time.

Veenu Garewal, MD

Dr. Veenu Garewal, received her medical degree from St. George's University School of Medicine in Grenada. She completed her residency in internal medicine at SUNY Downstate Medical Center, Brooklyn, New York. Prior to joining Coastal Medical, Dr. Garewal served as a hospitalist at Rhode Island Hospital for over 7 years. She was also a clinical instructor for first and second year medical students at Warren Alpert Medical School at Brown University from 2012-2015.

Yul David Ejnes, MD, M.A.C.P.

Yul D. Ejnes, MD, MACP, is an internal medicine specialist who received his medical degree from Brown Medical School in Providence, Rhode Island in 1985 and completed his internal medicine residency training, followed by a year as Chief Medical Resident, at Rhode Island Hospital. He is board-certified by the American Board of Internal Medicine.

A founding partner of Coastal Medical, Inc., Dr. Ejnes is a former member of its Board of Directors and current member of its Pharmacy and Therapeutics Committee and Governance Committee. He is on the affiliate staff of Rhode Island Hospital, where he served on several committees including the Medical Executive Committee, Credentialing Committee, and the Medical Record Committee, which he chaired. He is Clinical Associate Professor of Medicine at Brown Medical School, where he teaches medical students and residents, including training medical residents in the private practice setting. Dr. Ejnes has written and lectured on medical use of the Internet and was one of the first physicians in Rhode Island to use electronic mail for patient-physician communication.

Dr. Ejnes is Past Chair of the Board of Regents of the American College of Physicians (ACP), the nation’s largest medical specialty organization. He served as Chair in 2011-2012. Dr. Ejnes was Governor of the Rhode Island Chapter of ACP from 2002-2006 and chaired the national Board of Governors from 2006-2007. He also served on or chaired numerous ACP national committees and has spoken nationally and internationally at ACP meetings. He currently writes a monthly column for ACP on the KevinMD.com blog (

In April 2012, Dr. Ejnes became a Master of the American College of Physicians (MACP) at the Internal Medicine meeting in New Orleans. Levels of membership in ACP are Medical Student, Associate, Member, Fellow, Honorary Fellow, and Master. Election to Mastership recognizes outstanding and extraordinary career accomplishments. Masters must have made a notable contribution to medicine. This includes, but is not limited to: teaching, outstanding work in clinical medicine (research or practice), contributions to preventive medicine, improvements in the delivery of health care, and/or contributions to the medical literature.

In addition to his national activity, Dr. Ejnes is Past President of the Rhode Island Medical Society and Past President of the Rhode Island Society of Internal Medicine. Dr. Ejnes was a member of the Board of Directors of the Rhode Island Quality Institute, which operates the state wide health information exchange (CurrentCare) from 2002 to 2016, including serving as Chair from 2012 to 2015.