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Office
4660 Kenmore Ave
Suite #100
Alexandria, VA 22304Phone+1 703-751-5763Fax+1 703-370-8704
Education & Training
- MedStar Health/Georgetown University HospitalFellowship, Gastroenterology, 1985 - 1987
- MedStar Health/Georgetown University HospitalResidency, Internal Medicine, 1982 - 1985
- University of Maryland School of MedicineClass of 1982
Certifications & Licensure
- VA State Medical License 1984 - 2026
- MD State Medical License 1982 - 1992
- American Board of Internal Medicine Internal Medicine
- American Board of Internal Medicine Gastroenterology
Publications & Presentations
PubMed
- 43 citationsSerum amylase in patients with renal insufficiency and renal failure.Martin J. Collen, Alan F. Ansher, A B Chapman, R C Mackow, James H. Lewis
The American Journal of Gastroenterology. 1990-10-01 - 47 citationsHyperplastic colonic polyps as a marker for adenomatous colonic polyps.Alan F. Ansher, James H. Lewis, David E. Fleischer, Cattau El, M.J. Collen
The American Journal of Gastroenterology. 1989-02-01 - 50 citationsGastric lipase: localization in the human stomach.Cynthia K. Abrams, Margit Hamosh, Thomas C. Lee, Alan F. Ansher, Martin J. Collen
Gastroenterology. 1988-12-01
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