Program Leadership

Program Leadership

  • Subani Chandra, MD

    • Program Director

    Dr. Subani Chandra is an Associate Professor of Medicine in Pulmonary, Allergy and Critical Care Medicine at Columbia University Medical Center and serves as the Program Director for the Internal Medicine Residency Program and the Vice Chair for Education for the Department of Medicine.

    Dr. Chandra is a dedicated clinician and educator who attends on the various medical critical care services at Columbia and has a special interest in the development and application of point-of-care ultrasonography. She teaches ultrasonography at national and international courses for the major professional societies in pulmonary and critical care medicine. As a national leader in medical education, she has leadership roles with the Training and Transitions Committee of the American College of Chest Physicians (ACCP) and the Education Committee of the Association of Pulmonary and Critical Care Medicine Program Directors (APCCMPD) and is a member of the Section of Medical Education of the American Thoracic Society. Dr. Chandra is also the recipient of numerous teaching awards including the prestigious national 2020 Early Career Clinician Educator award from the ACCP, in addition to several departmental teaching awards including the House Staff Teaching Award, Ewig Clinical Scholar Award, and the Daniel V. Kimberg Memorial Faculty Teaching Award.

    In addition, Dr. Chandra serves on the Editorial Board of the CHEST Journal as a Section Editor for the “Pearls” section of CHEST. She has received both intra-mural and extra-mural grant funding for her work advancing medical education. Her grant awards include funding from the Alliance for Academic Internal Medicine (AAIM), ACCP and APCCMPD.

    Subani Chandra
  • Eric Burnett, MD

    • Associate Program Director

    Dr. Eric Burnett is originally from Atlantic Highlands, NJ. He majored in biological sciences and minored in Spanish literature at Rutgers University. After college, Eric obtained his masters in biomedical sciences at the University of Medicine and Dentistry of New Jersey. He then went on to study medicine at Rutgers New Jersey Medical School. Eric completed his internal medicine residency here at Columbia and is currently an attending physician in the division of hospital medicine.

    Dr. Burnett’s interests focus on medical student and resident education. He thoroughly enjoys his time as ward attending, working side by side with CUIMC's excellent medical students and IM residents. In his spare time, Dr. Burnett enjoys baking, reading, and spending time with his husband Billy and dog Denver.

    Eric Burnett, MD
  • Kaylan Christianer, MD

    • Associate Program Director

    Dr. Kaylan Christianer is a native of Northern California and attended the University of California at Davis, where she obtained degrees in Neurobiology, Physiology and Behavior, and Art History. After college, she worked as a clinical research coordinator, followed by a move to New York City for medical school at Weill Cornell Medical College. She then completed her residency at NewYork-Presbyterian Columbia, where she was part of the Generalist-Primary Care Track. After serving as Chief Resident, she joined the faculty in the Division of General Medicine to help develop a new primary care practice at Columbia’s main campus. Kaylan's academic interests include medical education, geriatrics and palliative care, and promoting the advancement of women in medicine. Her recent teaching awards include two Arnold P. Gold Resident Teaching Awards. Outside of the hospital she enjoys hiking, running and exploring New York City’s food scene.

    Kaylan Christianer, MD
  • Maria De Miguel, MD, MS

    • Associate Program Director

    Dr. Maria De Miguel is from Bethesda, MD, and studied Visual Arts and Art History at Princeton. She attended medical school at the University of Maryland, and completed residency at Columbia. After a year as chief resident, she joined the faculty in the joint resident-faculty outpatient practice at the medical center. She completed a Masters in Epidemiology at the Mailman School of Public Health. She directs the Generalist-Primary Care pathway, mentoring residents interested in primary care and academic generalist careers. She now serves as the APD for Ambulatory Education, designing and evaluating curriculum and educational experiences for the residents in continuity clinic. Maria’s interests are in health disparities, the role of primary care, urban public health, and health literacy. She has three kids and spends her free time painting or seeing art in NYC.

    Maria De Miguel, MD, MS
  • David Diuguid, MD

    • Associate Program Director

    Dr. David Diuguid received his undergraduate degree from Harvard College where he graduated cum laude. He matriculated at Weill Cornell and received his medical degree in 1979. He did residency at Boston University Medical Center where he served as Chief Resident from 1982 to 1983. He then completed his fellowship training at Tufts New England Medical Center in Boston and served on the faculty there for three years before coming to Columbia. Dr. Diuguid cares for patients with both bleeding and clotting disorders with a special emphasis on patients with a history of increased risk of clotting problems. He also cares for patients with hematological malignancies including lymphoma, acute and chronic leukemia, and myeloma. He currently is involved in patient care, clinical research, and teaching on the hematology service. He serves as Head of the Coagulation Service and is also Head of the Section of Hematology.

  • Kerry Esquitin, MD, FACC, FACP, RPVI

    • Associate Program Director

    Dr. Kerry A. Esquitin is an Assistant Professor of Medicine at Columbia University Irving Medical Center with clinical expertise in cardiovascular imaging and an academic interest in medical education.  In addition to her role as an Associate Program Director in the Internal Medicine Residency Program, Dr. Esquitin is an Associate Program Director of the General Cardiology Fellowship.  She is also the Director of the Advanced Echocardiography Fellowship and Associate Director of the cardiology section in The Body…in Health and Disease course at the Vagelos College of Physicians and Surgeons.

    Dr. Esquitin attended Cornell University and was recognized as a Graduate with Distinction.  She earned her medical degree at the Icahn School of Medicine at Mount Sinai (formerly Mount Sinai School of Medicine) and completed her residency training at NYP/Weill Cornell Medical Center, where she received the Eileen Gong Weiner Award for Compassionate Care.  Dr. Esquitin pursued her fellowship in cardiovascular diseases at Mount Sinai Beth Israel (formerly Beth Israel Medical Center) followed by advanced training in echocardiography at Columbia University Irving Medical Center.  

    Dr. Esquitin’s areas of expertise include transthoracic, transesophageal, stress echocardiography, 3D imaging, and vascular ultrasound.  She also serves as a clinical cardiologist on the inpatient cardiology service.  Dr. Esquitin holds leadership roles in the American College of Physicians (ACP): at the national level, she sits on the Internal Medicine Scientific Planning Committee to develop the cardiology content for the ACP Annual Meetings (2021, 2023).  Regionally, she is an active member of the Education Committee for the New York chapter of the ACP.  Dr. Esquitin has been invited to national conferences hosted by the American College of Physicians and the Cardiovascular Research Foundation to speak on topics related to cardiovascular disease.  For her efforts as a medicine educator, Dr. Esquitin was awarded Teacher of the Year in the Division of Cardiology in 2016 and she is recognized as a Ewig Clinical Scholar in the Department of Medicine at Columbia University Irving Medical Center.

  • Alyson Fox, MD, MSCE

    • Associate Program Director SP

    Dr. Alyson Fox is a Transplant Hepatologist at CUIMC. Her clinical practice is focused on the care of patients with end stage liver diseases and post transplant care. She is an active educator at Columbia—she directs the medical school GI/Liver pathophysiology course, serves as a key faculty advisor in the Department of Medicine and is an associate designated institutional official in the office of Graduate Medical Education at NYP. She is passionate about both education and leadership (and their intersection) and is excited to work with the Internal Medicine program by leading the ACE Program.

  • Maya Rao, MD

    • Associate Program Director SP

    Maya Rao is an Associate Professor of Medicine in the Division of Nephrology at Columbia University, where she has been on the faculty since 2009. She is the Director of the Chronic Kidney Disease Program at Columbia. Since 2021, she has served as the chief of Medicine at the Allen Hospital. She has served as a PI or site PI on several NIH grants. She has an interest in caring for older adults with kidney disease, focusing on dialysis decision making and initiating a palliative approach for patients who choose to forgo dialysis for active medical management of their kidney disease. She lives in Manhattan with her husband and 3 kids.  

  • Jacob Stevens, MD

    • Associate Program Director

    Dr. Jacob Stevens is an Assistant Professor of Medicine in the Division of Nephrology at Columbia University Medical Center. He graduated summa cum laude in Neuroscience at Bowdoin College before attending Dartmouth Medical School. He completed his internal medicine residency training at Massachusetts General Hospital where he served as Chief Resident during his senior year. He went on to complete his nephrology fellowship at Columbia University Medical Center where he also served as Chief Fellow during his senior year. His clinical and research interests include critical care nephrology and improving the care provided to patients with acute kidney injury and he is the Medical Director of Acute Care Nephrology at Columbia University Irving Medical Center. He is also dedicated to medical education and was recognized with the Senior Resident Teaching Award at Massachusetts General Hospital in 2016 and with the Kimberg Memorial Faculty Teaching Award at Columbia University Irving Medical Center in 2020.

Chief Residents

  • Beatriz Desanti de Oliveira, MD

    Beatriz was born and raised in Sao Paulo, Brazil. She moved with her family to Florida while in high school, and from there she went to Princeton University and majored in Molecular Biology. New York has been her home since the end of undergrad. After working for two years, she started medical school at Vagelos College of Physicians and Surgeons - Columbia University and stayed at New York Presbyterian for residency. She has a special interest in medical education in ethics and is planning on pursing fellowship in hematology/oncology. 

  • John Fountain, MD

    John grew up in Ardsley, NY, and attended Binghamton University where he studied cell and molecular biology. After graduating, he ventured an hour north to Syracuse, where he attended SUNY Upstate Medical University. He then moved back near home for residency and chief residency at Columbia. When not in the hospital, he loves running, playing soccer, and eating peanut butter and jelly sandwiches. He is applying into pulmonary and critical care this year.

  • Ruben Salazar Jr., MD

    Ruben was born in Queens, NY but is a Jersey boy at heart. He grew up in Kearny, NJ and attended Rutgers University where he majored in cell biology and neuroscience. He then moved to Philadelphia to attend Perelman School of Medicine at the University of Pennsylvania. Following this, he returned to his roots for residency at Columbia. Outside of the hospital, you will likely find him reading a book or long boarding around the city. He is applying into Infectious Diseases this year.

  • Lisle Winston, MD

Rising Chief Residents

  • Matthew Carey, MD

  • Jenna Lanz, MD

  • Ella Magun, MD

  • Eytan Palte, MD

Program Administration

  • Gladys Bueso

    • Program Administrator
    Gladys Bueso
  • Vilma Luciano-Colon

    • Medical Education Compliance Officer
    Vilma Luciano-Colon
  • Luis Alvarado

    • Administrative Assistant
    Luis Alvarado

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