Department of Medicine

Administration

759 Chestnut Street, S2680
Springfield, MA 01199
Phone: 413-794-4319

Chairs

Sarah Haessler, MD, MS, Department Chair
Daniel J. Skiest, MD, Vice Chair for Academic Affairs

Division Chiefs

Division of Cardiology: Amir Lotfi, MD
Division of Endocrine and Diabetes: Cecilia Lozier, MD
Division of Gastroenterology: Rony Ghaoui, MD
Division of General Medicine and Community Health: Paul Pirraglia, MD, MPH
Division of Geriatrics and Palliative Care: Stephen Bonasera, MD, PhD
Division of Hematology/Oncology: Rawad Elias, MD
Division of Hospital Medicine: Ebrahim Barkoudah, MD
Division of Infectious Disease: Armando Paez, MD
Division of Pulmonary and Critical Care: Talal Dahhan, MD
Division of Nephrology: Daniel Landry, DO

Education Programs

Medicine Residencies

portrait of the 2023 internal residency staff at UMass Chan-Baystate

Our residency programs have a reputation for training not only exceptional physicians, but balanced and compassionate individuals.

Medicine Fellowships

4th Year Electives for Medical Students

Ambulatory Care
Cardiology
Consultative Medicine
Critical Care Medicine Acting Internship
Gastroenterology
Geriatrics
Infectious Disease
Nephrology
Neurology
Physical Medicine & Rehabilitation
Pulmonary Disease
Quality Management & Patient Safety
Ward Medicine Subinternship

Medical Student Core Clerkships

Internal Medicine

Publications

View recent Department of Medicine publications in the Scholarly Commons database.

Clinical Trials Office

The Clinical Trials Office works to increase the availability of clinical trials for patients in western Massachusetts. Findings are used to advance the delivery of the latest cutting-edge therapies to our patients.

Learn More

Nathan J. Abare, MD Internal Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Marat I. Abdullin, MD Nephrology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Jacob Alexander, MD Gastroenterology, Hepatology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Joshua C. Allgaier, DO Hospital Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Christopher F. Allison, MD Emergency Medicine, Critical Care Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Andrew W. Artenstein, MD Infectious Diseases Professor of Medicine at UMass Chan Medical School - Baystate
Armen Asik, MD Hematology Oncology, Hematology, Medical Oncology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Raisa Atif, MD Geriatric Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Sudeep K. Aulakh, MD Internal Medicine Associate Professor of Medicine at UMass Chan Medical School - Baystate
Justin Ayala, BS Instructor of Medicine at UMass Chan Medical School - Baystate
Hany S. Aziz, MD Valvular Disease Cardiology, Cardiac Imaging, Cardiology, Hypertension, Preventive Cardiology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Andrew H. Balder, MD Internal Medicine, Pediatrics Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Brian J. Banker, MD Pediatrics Instructor of Medicine at UMass Chan Medical School - Baystate
Jonathan L. Bayuk, DO Pediatric Allergy And Immunology, Allergy And Immunology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Raquel K. Belforti, DO Hospital Medicine Associate Professor of Medicine at UMass Chan Medical School - Baystate
Prarthna Venkatesh Bhardwaj, MD Benign Hematology, Medical Oncology, Breast Medical Oncology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Rebecca Blanchard, PhD, MEd Associate Professor of Medicine at UMass Chan Medical School - Baystate
Stephen J. Bonasera, MD Geriatric Medicine Professor of Medicine at UMass Chan Medical School - Baystate
Elizabeth E. Boyle, MD Internal Medicine, Pediatrics Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Gregory L. Braden, MD Nephrology Professor of Medicine at UMass Chan Medical School - Baystate
Maura J. Brennan, MD Hospital Medicine, Geriatric Hospital Medicine Professor of Medicine at UMass Chan Medical School - Baystate
Christine L. Bryson, DO Hospital Medicine Associate Professor of Medicine at UMass Chan Medical School - Baystate
Gregory J. Campbell, MD Pediatrics, Internal Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Linda J. Canty, MD Internal Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Fadi M. Chalhoub, MD Electrophysiology, Cardiology, Pacemakers And Icds Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Thomas Y. Chin, MD Hospital Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Anna C. Clarke, MD Hospital Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Cary M. Dash, MD Internal Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Esteban A. DelPilar-Morales, MD Infectious Diseases, HIV Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Peter DePergola, PhD Adjunct Associate Professor of Medicine at UMass Chan Medical School - Baystate
David J. Desilets, MD Gastroenterology, Interventional Gastroenterology, Pancreatobiliary Diseases, Gastrointestinal Motility Disorders Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Arley F. Diaz, MD Nephrology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Dennis J. DiCampli, MD Nephrology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Ernest K. DiNino, MD Critical Care Medicine, Pulmonology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Elizabeth A. Eagleson, MD Internal Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Timothy G. Egan, MD Cardiac Imaging, Cardiology, Hypertension, Preventive Cardiology, Valvular Disease Cardiology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Mary Jo S. Farmer, MD Pulmonology, Critical Care Medicine Associate Professor of Medicine at UMass Chan Medical School - Baystate
Andrew K. Fay, MD Internal Medicine Instructor of Medicine at UMass Chan Medical School - Baystate
Carlos M. Flores, MD Internal Medicine, Infectious Diseases, HIV Medicine Instructor of Medicine at UMass Chan Medical School - Baystate
Marshal T. Fox, MD Cardiology, Pacemakers And Icds, Electrophysiology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Benjamin J. Freda, DO Hospital Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Peter David Friedmann, MD Hospital Medicine Professor of Medicine at UMass Chan Medical School - Baystate
Joseph M. Gabriel, MD Medical Oncology, Hematology, Hematology Oncology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Carolyn G. Garcia, MD Pulmonary Critical Care Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Rony M. Ghaoui, MD Gastroenterology, Interventional Gastroenterology, Pancreatobiliary Diseases, Hepatology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Michele A. Gortakowski, MD Pediatric Endocrinology, Endocrinology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Yesenia Greeff, MD Gastrointestinal Motility Disorders, Hepatology, Gastroenterology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
O'Neil J. Green, MD Critical Care Medicine, Pulmonology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Audrey Susan Guhn, MD Internal Medicine, Pediatrics Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Puncho Gurung, MD Pulmonology, Critical Care Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Sarah D. Haessler, MD Infectious Diseases Chair and Professor of Medicine at UMass Chan Medical School - Baystate
Scott Mitchell Halista, MD Rheumatology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Navatha Hanumagutti, MD Internal Medicine Instructor of Medicine at UMass Chan Medical School - Baystate
Kevin Thomas Hinchey, MD Hospital Medicine Professor of Medicine at UMass Chan Medical School - Baystate Adjunct Professor of Medicine at Tufts University School of Medicine
William L. Hiser, MD Cardiac Imaging, Cardiology, Hypertension, Valvular Disease Cardiology, Preventive Cardiology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Mohammad E. Abu Hishmeh, MD Pulmonary Critical Care Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Spencer J. Hodgins, MD Nephrology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Ashequl M. Islam, MD Cardiology, Valvular Disease Cardiology, Interventional Cardiology Professor of Medicine at UMass Chan Medical School - Baystate
Issra E. Jamal, MD Endocrinology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Kathryn A. Jobbins, DO Hospital Medicine, Internal Medicine Associate Professor of Medicine at UMass Chan Medical School - Baystate
Douglas C. Johnson, MD Sleep Medicine Associate Professor of Medicine at UMass Chan Medical School - Baystate
Nageshwar R. Jonnalagadda, MD Hospital Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Kirti K. Joshi, MD Hospital Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Craig E. Kannel, MD Internal Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Mohammad A. Kashef, MD Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Daniel Kennedy, PhD Adjunct Professor of Medicine at UMass Chan Medical School - Baystate
Mark Keroack, MD, MPH Professor of Medicine at UMass Chan Medical School - Baystate
Reva Kleppel, MSW, MPH Instructor of Medicine at UMass Chan Medical School - Baystate
Alexander Knee, MS Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Christopher R. LaChance, MD Hospital Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Brian Jeremiah Laliberte, MD Cardiology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Daniel L. Landry, DO Nephrology Associate Professor of Medicine at UMass Chan Medical School - Baystate
Sybille M. Liautaud, MD Sleep Medicine, Pulmonology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Thomas Arthur L. Lincoln, MD Internal Medicine Associate Professor of Medicine at UMass Chan Medical School - Baystate
Chandravathi Loke, MD Hematology, Medical Oncology, Hematologic Malignancy Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Amir S. Lotfi, MD Cardiology, Interventional Cardiology Professor of Medicine at UMass Chan Medical School - Baystate
Cecilia A. Lozier, MD Endocrinology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Claire E. Magauran, MD Infectious Diseases, HIV Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Grace Makari-Judson, MD Medical Oncology, Breast Medical Oncology Professor Emeritus of Medicine at UMass Chan Medical School - Baystate
Neha Malhotra, MD Endocrinology, Neuroendocrinology, Diabetes, Metabolic And Hormonal Imbalances Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Sudeep K. Siddappa Malleshappa, MD Hematology, Medical Oncology, Hematology Oncology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
John P. Marenco, MD Cardiology, Electrophysiology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
John Charles McCann, MD Hematology Oncology, Medical Oncology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
William T. McGee, MD Critical Care Medicine Professor of Medicine at UMass Chan Medical School - Baystate
Lauren B. Meade, MD Internal Medicine Associate Professor of Medicine at UMass Chan Medical School - Baystate
Venkatrao Medarametla, MD Hospital Medicine Associate Professor of Medicine at UMass Chan Medical School - Baystate
Wilson C. Mertens, MD Hematology Oncology, Medical Oncology Professor Emeritus of Medicine at UMass Chan Medical School - Baystate
John W. Miller, MD Gastroenterology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Amir F. Mohani, MD Hospital Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Maura E. Munoz, MD Internal Medicine, Pediatrics Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Sivakumar Natanasabapathy, MD Hospital Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Eduardo R. Nunez, MD Pulmonology, Critical Care Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Abigail Orenstein, MD Infectious Diseases, Critical Care Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Jasmine John Paadam, MD Hospital Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Armando Philip S. Paez, MD Infectious Diseases, HIV Medicine Associate Professor of Medicine at UMass Chan Medical School - Baystate
Mehdi Pajouh, MD Cardiology Instructor of Medicine at UMass Chan Medical School - Baystate
Raju K. Panta, MD Endocrinology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
John F. Peluso, MD Internal Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
John Pezzuto, PhD, DSc Adjunct Professor of Medicine at UMass Chan Medical School - Baystate
Paul A. Pirraglia, MD Internal Medicine Associate Professor of Medicine at UMass Chan Medical School - Baystate
Anthony E. Poindexter, MD Nephrology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Vishali A. Ramsaroop, MD Pulmonology, Critical Care Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Vida Rastegar, MPH Instructor of Medicine at UMass Chan Medical School - Baystate
Carol J. Richardson, MD Hospital Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Alexander S. Roseman, MD Pediatric Hospital Medicine, Hospital Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Adam L. Rosenblum, DO Hospital Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Mayu Sekiguchi Runge, MD Internal Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Stephen J. Ryzewicz, MD Hospital Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Riffat Sabir, MD Hospital Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Urmee Saha, MD Infectious Diseases Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Douglas Salvador, MD Infectious Diseases Professor of Medicine at UMass Chan Medical School - Baystate
Jeffrey H. Scavron, MD Internal Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Jennifer J. Schimmel, MD Infectious Diseases, HIV Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Linda J. Schoonover, MD Internal Medicine Instructor of Medicine at UMass Chan Medical School - Baystate
Adrianne C. Seiler, MD Hospital Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Nimish N. Shah, MD Cardiology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Sarita Singh, MD Hospital Medicine Instructor of Medicine at UMass Chan Medical School - Baystate
Daniel Jay Skiest, MD Infectious Diseases, HIV Medicine Professor of Medicine at UMass Chan Medical School - Baystate
Jonathan Slater, MD Nephrology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Jacob M. Smith, MD Infectious Diseases Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Aseesh Sreedharala, MD Hospital Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Richard H. Steingart, MD Hematology, Hematologic Malignancy, Sickle Cell Disorders Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Jay S. Steingrub, MD Critical Care Medicine Professor of Medicine at UMass Chan Medical School - Baystate Adjunct Professor of Medicine at Tufts University School of Medicine
Nicola Tamsin Sumorok, MD Internal Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Yael L. Tarshish, MD Palliative Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Deepu A. Thomas, MD Geriatric Medicine, Internal Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Linie S. Thomas, DO Hospital Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Mark A. Tidswell, MD Critical Care Medicine Professor of Medicine at UMass Chan Medical School - Baystate Adjunct Associate Professor of Medicine at Tufts University School of Medicine
Mihaela Tiru, MD Hospital Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Noraymar Torres-Muniz, MD Family Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Saad W. Usmani, MD Internal Medicine Instructor of Medicine at UMass Chan Medical School - Baystate
Gregory E. Valania, DO Cardiac Imaging, Cardiology, Heart Failure, Heart Failure And Transplantation Cardiology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Paul Visintainer, PhD Professor of Medicine at UMass Chan Medical School - Baystate
Durane K. Walker, MD Infectious Diseases, HIV Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Amanda A. Westlake, MD Internal Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Shiming Xu, MD Endocrinology Assistant Professor of Medicine at UMass Chan Medical School - Baystate
Emily M. Zametkin, MD Palliative Medicine, Emergency Medicine Assistant Professor of Medicine at UMass Chan Medical School - Baystate