About
W. D. earned both his undergraduate degree and his medical degree from Dartmouth College and Dartmouth Medical School, respectively. He completed his internship and residency at Georgetown University Hospital, then finished a Fellowship in Gastroenterology and Hepatology at the Cleveland Clinic in 1986. Dr. Immel holds board certification in both Internal Medicine and Gastroenterology and Hepatology. He spent twelve years at Virginia Medical Associates before co-founding Virginia Medical Alliance in 1998. C. area for many years.
Education & Training
Undergraduate
Dartmouth College
Medical School
Dartmouth Medical School
Residency
Internship and Residency, Georgetown University Hospital
Fellowship
Fellowship in Gastroenterology and Hepatology, Cleveland Clinic (1986)
Certifications
Conditions Treated
Who is Dr. Immel right for?
Dr. Immel is a strong fit for adults seeking gastroenterology or hepatology care alongside primary internal medicine. Patients dealing with digestive concerns, liver conditions, or complex chronic conditions benefit from his dual-board background. His decades of experience make him well-suited for patients who want a seasoned physician managing their long-term health.
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Frequently Asked Questions
Dr. Immel treats conditions across gastroenterology, hepatology, and internal medicine. His clinical focus includes digestive disorders, liver disease, and chronic conditions managed through primary care. His dual board certifications allow him to address both gastrointestinal and general medical concerns.
Yes, Dr. Immel holds board certification in both Internal Medicine and Gastroenterology and Hepatology. He earned these certifications after completing his fellowship at the Cleveland Clinic in 1986.
Dr. Immel trained at several prominent institutions. He earned his medical degree from Dartmouth Medical School, completed his residency at Georgetown University Hospital, and finished his gastroenterology fellowship at the Cleveland Clinic.
Yes, Dr. Immel performs gastroenterology procedures, including colonoscopies and upper endoscopies, on-site at Virginia Medical Alliance.
Dr. Immel has practiced medicine for several decades. He completed his fellowship in 1986 and spent twelve years at Virginia Medical Associates before co-founding Virginia Medical Alliance in 1998.
Dr. Immel brings a comprehensive perspective to patient care, drawing on his training in both gastroenterology and internal medicine. His long tenure in the Northern Virginia area reflects a commitment to building lasting relationships with his patients.
Doctor profile last updated March 21, 2026
