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Education and Research

Teaching Service Faculty

The Department of Medicine teaching faculty is comprised of board-certified physicians from three medical service groups:


Hospitalist Program faculty


Inova Fairfax Hospitalist Group is a group of board-certified internal medicine physicians who admit and care for patients at Inova Fairfax Hospital. In addition to being excellent clinicians, they also excel in teaching residents and medical students. The group has admitting privileges to the teaching service and also participates in noon conferences, morning report conferences and teaching didactic sessions.

Hospitalists work in conjunction with private practice primary care physicians to provide medical care to hospitalized patients. While the hospitalist program does not replace specialty physicians such as cardiologists and gastroenterologists, it ensures a physician is present in the hospital to see patients throughout the day, meet with families and assist with prescriptions and discharge planning.

Once patients are discharged, the hospitalist sends documentation to the primary care physician about the patient's hospitalization.

Hospitalist Program leadership

Brian Hazen, MDBrian Hazen, MD
Medical Director, Hospitalist Division
Dr. Hazen graduated from University of Rochester Medical School in 1994 and completed his residency in internal medicine at Georgetown University in 1998. He holds faculty appointments with Georgetown University and Virginia Commonwealth University Schools of Medicine. 


Chapy Venkatesan, MDChapy Venkatesan, MD
Site Director for Rotating Internal Medicine Residents
Dr. Venkatesan graduated from Eastern Virginia Medical School in 2000 and completed his residency and chief residency at Georgetown University Hospital. He holds faculty appointments with George Washington University and Virginia Commonwealth University Schools of Medicine and is a fellow of the American College of Physicians.


Shirley Kalwaney, MD Shirley Kalwaney, MD
Program Director, Georgetown University-Inova Fairfax Hospital Transitional Residency
Dr. Kalwaney graduated from Chicago Medical School in 1995 and completed her residency at George Washington University Hospital. She received the honor of “Top Clinical Educator in Internal Medicine” from Virginia Commonwealth University School of Medicine–Inova Campus in 2008 and holds faculty appointments at Georgetown University, George Washington University and Virginia Commonwealth University Schools of Medicine. Dr. Kalwaney is a fellow of the American College of Physicians and her area of interest is inpatient diabetic management.

Alita Mishra, MDAlita Mishra, MD
Clerkship Director, 3rd and 4th Year Students
Dr. Mishra graduated from Medical College of Wisconsin in 2000 and completed her internal medicine residency at Georgetown University Hospital in 2003. She holds faculty appointments at Georgetown University, George Washington University and Virginia Commonwealth University schools of medicine. Dr. Mishra's areas of interest include medical student education, women's health and preventive medicine. She received the "Golden Apple Award" in the 2006-07 academic year as the top clinical educator across all clerkships from Virginia Commonwealth University School of Medicine-Inova Campus. Dr. Mishra is a fellow of the American College of Physicians.


Kelly Hoyle, MDKelly Hoyle, MD
Associate Clerkship Director, 3rd and 4th Year Students
Dr. Hoyle graduated from Medical College of Georgia in 2003 and completed her residency at Georgetown University Hospital.





Chief Medical Residents

Ryanne Wu, MDRyanne Wu, MD
Georgetown University Hospital
Dr. Wu completed her medical school education at University of North Carolina-Chapel Hill in 2006. She completed an internal medicine residency at Georgetown University and is curently the Georgetown chief resident at Inova Fairfax Hospital.



Dost Sarpel, MDDost Sarpel, MD
George Washington University Hospital
Dr. Sarpel completed his medical school education at SUNY Buffalo in 2006. He completed his internal medicine residency at George Washington University and is currently the George Washington chief resident at Inova Fairfax Hospital.


Hospitalists at Inova Fairfax Hospital 

Wali Azizi, MD
Rina Bansal, MD
Khanh Do, MD
David Duncan, MD
Sameh Elgawly, MD
Rishi Garg, MD
Ravindra Gupta, MD
Maruf Haider, MD
Sumeeta Kantak, MD
Ashiq Mannan, MD
Maryann McYat, MD
Joann Pfundstein, MD
Nila Rafiq, MD 
Behnam Tehrani, MD
Gregory Trimble, MD
John Paul Verderese, MD
Homan Wai, MD
Adam Wolk, MD


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