Meet Our Team
We have put together a team
of highly trained and talented
professionals to provide you with
the best in quality and service.
Radiologists

Christopher Nieman MD
Christopher Nieman, MD
Sub-Specialty:
Abdominal Imaging
Medical School:
Ohio State University 1997-2001
Residency & Internship Programs:
Brooke Army Medical Center – Transitional Internship 2001-2002
San Antonio Uniformed Services Health Education Consortium – Radiology Residency 2002-2006
Abdominal Imaging & Intervention Fellowship:
Duke University Medical Center 2010-2011

Blake Watts MD
Blake H. Watts, MD
Sub-Specialty:
Body Imaging
Medical School:
University of Virginia School of Medicine 1981-1985
Residency & Internship Programs:
Medical College of Virginia – Internal Medicine Residency 1985-1987
University of Virginia – Radiology Residency 1987-1991
Body Imaging Fellowship:
Medical College of Virginia 1991-1992

Nicholas Perry MD
Nicholas Perry, MD

Sub-Specialty:
Diagnostic Radiology
Medical School:
State University of New York at Stony Brook 2004-2008
Residency & Internship Programs:
Winthrop University Hospital – Internal Medicine Internship 2008-2009
University of Rochester Medical Center – Radiology Residency 2009-2013
Magnetic Resonance Imaging Cross-Sectional Fellowship:
Yale University School of Medicine 2013-2014

James Koepke MD
James R. Koepke, MD
Sub-Specialty:
Body Imaging
Medical School:
Eastern Virginia Medical School 1987-1991
Residency & Internship Programs:
Maine Medical Medical Center – Internship in Internal Medicine 1991-1992
Maine Medical Center – Radiology Residency 1992-1996
Abdominal Imaging & Intervention Fellowship:
Vermont College of Medicine 1996-1997

David Reilly MD
David C. Reilly, MD
Sub-Specialty:
Body Imaging
Medical School:
The George Washington University School of Medicine and Health Sciences 1996-2000
Residency & Internship Programs:
Eastern Virginia Medical School – Preliminary Medicine Internship 2000-2001
The George Washington University Department of Radiology – Diagnostic Radiology Residency 2001-2005
Body Imaging Fellowship:
The George Washington University Department of Radiology 2005-2006

Ethan Silver MD
Ethan Silver MD
Sub Specialty:
Abdominal Imaging
Medical School:
New York University School of Medicine (2009 – 2013)
Internship:
Georgetown/INOVA Fairfax Hospital Transitional Year Internship (2013-2014)
Residency:
George Washington University Hospital (2014-2018)
Fellowship:
University of Virginia Abdominal Imaging Fellowship (2018-2019)
Ethan Silver was born and raised in Northern Virginia and is excited to be practicing radiology in Winchester. He is a well-rounded diagnostic radiologist with a special interest in advanced imaging of the abdomen and pelvis. This includes (but is not limited to) rectal CA staging MRI, prostate MRI, hepatobiliary MRI, MR enterography and gynecologic MRI.
In his free time he loves spending time outdoors. He particularly loves hiking, fishing, running and biking. Skiing is one of his passions and he spent time living in Steamboat Springs, Colorado before medical school working as a ski technician.

Richard Rizzo MD
Richard J. Rizzo, MD

Sub-Specialty:
Abdominal Imaging/Body Imaging
Medical School:
Thomas Jefferson University,
Jefferson Medical College 1985-1989
Residency & Internship Programs:
Medical College of Virginia – Radiology Residency 1989-1993
Abdominal Imaging Fellowship:
Medical College of Virginia 1993-1994
Cardiac Imaging
Diagnostic Radiology

Richard Rizzo MD
Richard J. Rizzo, MD

Sub-Specialty:
Abdominal Imaging/Body Imaging
Medical School:
Thomas Jefferson University,
Jefferson Medical College 1985-1989
Residency & Internship Programs:
Medical College of Virginia – Radiology Residency 1989-1993
Abdominal Imaging Fellowship:
Medical College of Virginia 1993-1994

David Snow MD
David M. Snow, MD

Sub-Specialty:
Vascular & Interventional Radiology
Medical School:
Eastern Virginia Medical School 1983-1987
Residency & Internship Programs:
Eastern Virginia Medical School – Internal Medicine Residency 1987-1988
Eastern Virginia Medical School – Radiology Residency 1992-1996
Vascular & Interventional Radiology Fellowship:
University of Alabama Birmingham 1996-1997

Curtis Thwing MD
Curtis Thwing, MD

Sub-Specialty:
Angiography/Interventional Radiology
Medical School:
Medical College of Virginia 1991-1995
Residency & Internship Programs:
Medical College of Virginia – General Surgery Internship 1995-1996
University of Virginia – Radiology Residency 1996-2000
Interventional Fellowship:
University of Virginia – Angiography/Interventional Radiology 2000-2001
Interventional Radiology

Harvinder Jagait MD
Harvinder S. Jagait, MD

Sub-Specialty:
Vascular and Interventional Radiology
Medical School:
New York Medical College 2004-2009
Residency & Internship Programs:
UMDNJ-University Hospital – Internal Medicine Internship 2009-2010
Dartmouth-Hitchcock Medical Center – Diagnostic Residency 2012-2014
Vascular & Interventional Radiology Fellowship:
Mallinckrodt Institute of Radiology 2014-2015

Robert Foust MD
Robert J. Foust, MD

Sub-Specialty:
Neuroradiology/Interventional Radiology
Medical School:
University of South Dakota 1976-1980
Residency & Internship Programs:
University of Chicago – Internship 1980-1981
University of Chicago – Radiology Residency 1981-1984
Neuroradiology Fellowship:
Rush-Presbyterian-St. Luke’s Medical Center 1984-1985

Preston Fox MD
Preston S. Fox, MD

Sub-Specialty:
Cardiovascular/Interventional Radiology
Medical School:
University of Virginia School of Medicine 1981-1985
Residency & Internship Programs:
Penn State University Hospital – Radiology Residency 1986-1990
Roanoke Memorial Hospital – Internship 1985-1986
Cardiovascular/Interventional Fellowship:
University of Virginia Health Sciences Center 1990-1991

Joseph Couvillon MD
Joseph Couvillon, MD
Sub-Specialty:
Vascular/Interventional Radiology
Medical School:
Georgetown University School of Medicine 2000-2004
Residency & Internship Programs:
University of Pittsburgh Medical Center (UPMC) 2004-2010
Cardiovascular/Interventional Fellowship:
Miami Cardiac and Vascular Institute 2010-2011

Nabeel H Arastu MD
Nabeel H. Arastu
Sub-Specialty:
Vascular and Interventional Radiology
Medical School:
The Brody School Of Medecine at East Carolina University 2008-2013
Residency & Internship Programs:
Wilson Medical Center -NY , 2013-2014
University of Cincinnati Medical Center-OH, 2014-2018
Vascular/Interventional Fellowship:
University of Cincinnati Medical Center-OH, 2018-2019

Michael Ho MD
Michael Ho
Sub-Specialty:
Interventional Radiology
Medical School:
Louisiana State University School of Medicine- LA 1986-1990
Residency & Internship Programs:
Charity Hospital of New Orleans- LA 1990-1991
Eastern Virginia Graduate School of Medicine- VA 1991-1995
Interventional Fellowship:
Beth Israel Deaconess Medical Center, Harvard Medical School- MA 1995-1996
Mammography

Christopher Nieman MD
Christopher Nieman, MD
Sub-Specialty:
Abdominal Imaging
Medical School:
Ohio State University 1997-2001
Residency & Internship Programs:
Brooke Army Medical Center – Transitional Internship 2001-2002
San Antonio Uniformed Services Health Education Consortium – Radiology Residency 2002-2006
Abdominal Imaging & Intervention Fellowship:
Duke University Medical Center 2010-2011

Blake Watts MD
Blake H. Watts, MD
Sub-Specialty:
Body Imaging
Medical School:
University of Virginia School of Medicine 1981-1985
Residency & Internship Programs:
Medical College of Virginia – Internal Medicine Residency 1985-1987
University of Virginia – Radiology Residency 1987-1991
Body Imaging Fellowship:
Medical College of Virginia 1991-1992

Ethan Silver MD
Ethan Silver MD
Sub Specialty:
Abdominal Imaging
Medical School:
New York University School of Medicine (2009 – 2013)
Internship:
Georgetown/INOVA Fairfax Hospital Transitional Year Internship (2013-2014)
Residency:
George Washington University Hospital (2014-2018)
Fellowship:
University of Virginia Abdominal Imaging Fellowship (2018-2019)
Ethan Silver was born and raised in Northern Virginia and is excited to be practicing radiology in Winchester. He is a well-rounded diagnostic radiologist with a special interest in advanced imaging of the abdomen and pelvis. This includes (but is not limited to) rectal CA staging MRI, prostate MRI, hepatobiliary MRI, MR enterography and gynecologic MRI.
In his free time he loves spending time outdoors. He particularly loves hiking, fishing, running and biking. Skiing is one of his passions and he spent time living in Steamboat Springs, Colorado before medical school working as a ski technician.
Musculoskeletal Radiology

Erik N. Nelson, MD
Sub-Specialty:
Musculoskeletal Radiology
Medical School:
University of Vermont College of Medicine 1995-1999
Residency & Internship Programs:
University of Vermont – Internship Dept. of Internal Medicine 1999-2000
Boston University Medical Center – Radiology Residency 2000-2004
Musculoskeletal Fellowship:
Clinical Assistant, Massachusetts General Hospital 2004-2005
Clinical Fellow, Harvard Medical School 2004-2005

Brendan Meyer, MD

Sub-Specialty:
Musculoskeletal Radiology
Medical School:
SUNY Downstate College of Medicine 2004-2008
Residency & Internship Programs:
St. Vincent’s Medical Center – Internal Medicine internship 2008-2009
SUNY Downstate Health Science Center – Radiology Resident 2009-2013
Musculoskeletal Fellowship:
University of Virginia 2013-2014
Neuroradiology

Duncan Davidson, MD

Sub-Specialty:
Neuroradiology
Medical School:
Columbia University of College of Physicians & Surgeons 2005-2009
Residency & Internship Programs:
Sound Shore Medical Center 2009-2010
Westchester Medical Center – Radiology Residency 2010-2014
Neuroradiology Fellowship:
George Washington University 2014-2016

Robert Foust MD
Robert J. Foust, MD

Sub-Specialty:
Neuroradiology/Interventional Radiology
Medical School:
University of South Dakota 1976-1980
Residency & Internship Programs:
University of Chicago – Internship 1980-1981
University of Chicago – Radiology Residency 1981-1984
Neuroradiology Fellowship:
Rush-Presbyterian-St. Luke’s Medical Center 1984-1985
Radiology Practitioner Assistants
Tyler Emerick
RPA
Jeff Lapole
RPA
Phillip Scrugs
RPA
Rick Sharp
RPA
Interventional Radiology Technologists
Shelley Martin
RT
Jesselle Savusdiphol
RT(R)(CI)
Megan Lee
RT(R) RDMS (AB OB/GYN) RVT
Nursing Staff
Whitney Smith RN

Libby Powell RN

Nancy Merriken RN
Office Staff
Matthew DesRosiers
CEO
Stacey Smith
Clinical Manager
Erik Peterson
IT Director
Courtney Unger
Customer Relationship Manager
Rebecca Hines
Patient Access Specialist
Gloria Flaherty
Patient Access Specialist