Internal Medicine Residency Faculty

Susan Collins, MD
Program Director, Internal Medicine Residency

Dr. Susan Collins has been with Nuvance Health Medical Practice since joining the Vassar Brothers Medical Center hospitalist program in 2012. Prior to this she was a nephrologist in a local private practice. She graduated from Dartmouth College with a major in biophysical chemistry and a minor in art history, and received her medical degree from Albany Medical College. She then completed her internal medicine residency training at Brown University in Providence, RI where she was selected as a Chief Medical Resident. Upon completion of residency, she did a clinical and research fellowship in nephrology at Mount Sinai Medical Center in New York, NY.

Dr. Collins has been actively involved in medical education and research throughout her career and is currently an Adjunct Faculty Member at Touro Medical College in Middletown, NY. She participated in the curriculum committee for the internal medicine residency while she was Chief Resident at Brown and also helped to initiate a program teaching the power of observation to “Cops and Docs” at the Rhode Island School of Design. She has led small group sessions with medical students throughout residency and fellowship teaching pathophysiology and clinical skills. She has numerous publications in topics ranging from microbial susceptibility to HIV associated nephropathy. She is a member of the American College of Physicians as well as the Society of Hospital Medicine.

Dr. Collins previously worked as the Assistant Medical Director for the Vassar Brothers Hospitalist Program from 2015 until 2018 before accepting the position of Program Director for the Nuvance Health Internal Medicine Residency at Vassar Brothers. She was a member of the Health Quest Medical Practice Board of Directors from 2016 to 2019 and was Chair of the Health Quest Finance Committee. She was also a member of the Health Quest Quality and Performance Improvement Committee.

Meet the Faculty

Rehan Ahmad, DO

Mirghani Ali, MD
PGY 4 Chief Resident, Junior Academic Faculty

Margaret Apedo, MD
Subspecialty Education Coordinator, Endocrinology

Matthew Apedo, MD
Core Faculty
Critical Care Medicine

Faizan Arshad, MD
Emergency Medicine

Benoit Bewley, MD
Subspecialty Education Coordinator, Cardiology

Valerie Cluzet, MD
Associate Program Director
Infectious Disease

Ruchira Chandra, MD
Subspecialty Education Coordinator, Geriatrics

Timothy Collins, DO
Subspecialty Education Coordinator, Critical Care & Pulmonary Medicine

Arthur DiNapoli, MD
Site Director, Geriatrics

Brett Erdreich, MD
Core Faculty, Critical Care Medicine

Alexander Feldberg, MD
Core Faculty, Inpatient Internal Medicine

Saurabh Goyal, MD
Core Faculty
Inpatient Internal Medicine

Nili Gujadhur, MD
Subspecialty Education Coordinator, Infectious Disease
Core Faculty, Infectious Disease

Muhammad Khan, MBBS
Core Faculty, Inpatient Internal Medicine

Kwaku A. Kyere, MD
Core Faculty, Inpatient Internal Medicine

Rebecca Mazurkiewicz, MD
Associate Program Director for Ambulatory Education,
Continuity Clinic Director, Poughkeepsie Primary Care

Hector Ojeda-Martinez, MD
Core Faculty, Infectious Disease

Stephanie Midgley, MD
Subspecialty Education Coordinator, Emergency Medicine

Umesh Patel, MD

Erin Penn, MD
Subspecialty Education Coordinator, Rheumatology

Claire Popplewell, MD
Ambulatory Medicine, Poughkeepsie Primary Care, Associate Program Director

Radhika Rachamalla, MD
Subspecialty Education Coordinator, Hematology Oncology

Payam Shakouri, MD
Subspecialty Education Coordinator, Nephrology

Hary Suseelan, MD
Subspecialty Education Coordinator, Pulmonary and Critical Care Medicine

Peter Varunok, MD
Subspecialty Education Coordinator, Gastroenterology

Seema Rizvi, MD
Site Director, Geriatrics

Steven Ritter, MD
Core Faculty, Critical Care Medicine

Paul Wright, MD