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Medstar Research Institute Faculty

Wayman W. Cheatham, MD, FACE
Assistant Vice President, Clinical Research & Medical Director
MedStar Clinical Research Centers
MedStar Research Institute
Address: 650 Pennsylvania Ave, Suite 50
Washington D.C.
SE, 20003
Phone: 202-787-5383 Fax: 202-787-5308
Medical Degree: Milton S. Hershey Medical Center, 1975
Internship: Brooke Army Medical Center, Fort Sam Houston, TX 1976

Residency:

Letterman Army Medical Center, San Francisco, CA 1978

Chief Residency:

Letterman Army Medical Center, San Francisco, CA  1978

Fellowship:

Walter Reed Army Medical Center, 1980

Certifications:

Internal Medicine, 1978
Endocrinology, Diabetes, and Metabolism, 1980

Special Interests:

 • Insulin action, clinical diabetes outcomes
 • Glucose, lipid and protein metabolism; calcium metabolism

 • Reproductive endocrinology
 • Disorders of thyroid function and energy utilization


Barbara V. Howard, PhD
Senior Scientist, MedStar Research Institute, and Professor, Department of Medicine, Georgetown University Hospital

Address: 108 Irving Street, NW, Washington, DC 20010
Phone: 202-877-6530 Fax: 202-877-0845
Graduate Degree: Ph.D.
Special Interests:  • Coronary vascular disease and risk factors in diabetes
 • Nutrition and coronary vascular disease

Robert E. Ratner, MD
Vice-President, Scientific Affairs
Address: MedStar Research Institute,
650 Pennsylvania Ave. SE #50, WDC 20003
Phone: 202-675-1042 Fax: 202-675-1049
Medical Degree: Baylor College of Medicine, Houston, Texas, 1977
Internship and Residency: Baylor Affiliated Hospitals,
Houston, Texas, 1980
Fellowship: Harvard Medical School/Joslin Diabetes Center,
Boston, MA, 1982
Certifications: Internal Medicine, 1980
Endocrinology and Metabolism, 1983
National Certification for Diabetes Educators, 1991
Special Interests: Diabetes in pregnancy, Diabetes therapeutics, Diabetes
complications, Pancreas transplantation, Islet neogenesis

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