UNIVERSITY OF SOUTH CAROLINA
SCHOOL OF MEDICINE
2010-2011
DEPARTMENT OF INTERNAL MEDICINE
TEACHING FACULTY
Shawn A. Chillag, MD
Dr. Chillag completed medical school of West Virginia University. His Internal Medicine training took place at
Charleston Area Medical Center in Charleston, West Virginia and at West Virginia University in Morgantown,
West Virginia. He has had additional fellowship training in Pulmonary Diseases and Geriatrics. Dr. Chillag joined
the University of South Carolina Department of Medicine as Professor and Chairman in 2001 and as a member
of the Division of General Internal Medicine.
Stephen H. Greenberg, MD
Dr. Greenberg joined the Division of General Internal Medicine at USC in 2006, where he is currently the
Director of the residency program and Associate Professor of Clinical Internal Medicine. He graduated medical
school from Tufts University School of Medicine in 1973, and completed his residency at New Britain General
Hospital in 1980. Dr. Greenberg is board certified with the National Board of Medical Examiners and American
Board of Internal Medicine. His academic interests include resident and medical student education as well as the
cognitive psychology of medical reasoning and learning.
Allan S. Brett, MD
Dr. Brett attended the University of Pennsylvania School of Medicine, and did his internal medicine residency at
the University of Pittsburgh. Before coming to South Carolina in 1995, he served on the faculties at Washington
University (St. Louis), Georgetown University, and Harvard University. He currently is the Orlando Benedict
Mayer Professor of Medicine at USC, director of the Division of General Internal medicine, and Vice Chair of the
Department of Medicine. Dr. Brett’s academic interests include medical ethics, clinical decision-making,
preventive medicine, and health care reform. He is the editor of Journal Watch, a literature-review publication
(both in print and online at http://general-medicine.jwatch.org) with an international readership. He is also a
core faculty member in the university’s Center for Bioethics.
Divya Ahuja, MD
Dr. Ahuja joined the Division of Infectious Diseases in 2005, where he is currently Associate Professor of Clinical
Internal Medicine. Dr. Ahuja graduated medical school in New Delhi, India in 1992, and completed parts of his
residency in India and the United Kingdom before ending up at York Hospital in Pennsylvania from 2001-2003.
After his residency, Dr. Ahuja completed a fellowship in Genitourinary Medicine and HIV at the Bristol Royal
Infirmary and Plymouth Hospital in the United Kingdom in 2001. He also completed a fellowship in Infectious
Disease at Penn State University College of Medicine in 2005.
Helmut Albrecht, MD
Dr. Albrecht joined the Division of Infectious Diseases in 2006, where he is currently the Division Director and
the Heyward Gibbes Distinguished Professor of Clinical Internal Medicine. Dr. Albrecht graduated medical school
from the University of Hamburg, Germany in 1988. He completed residencies at the University of Hamburg and
Emory University in 1991 and in 2001. Dr. Albrecht completed a fellowship in Gastroenterology at the
University of Hamburg in 1993 and a fellowship in Infectious Diseases at Emory University in 1999. Dr. Albrecht
has considerable study experience as investigator, principal or coordinating investigator of multiple national and
international trials since 1988. He serves a reviewer for AIDS, Clinical Investigator, CID, JID, and Annuals of
Internal Medicine, JAMA, EID, and other journals since 1993. He has published more than 100 articles in peer-reviewed journals and
several book chapters. Dr. Albrecht is a member of the editorial board of “AIDS Clinical Care”.
David Joseph Amrol, MD
Dr. Amrol graduated medical school magna cum laude from the University of South Carolina School of Medicine
in 1998. He completed his residency in Internal Medicine at Wake Forest University Baptist Medical Center in
2001. After his residency, Dr. Amrol continued his education at Vanderbilt University Medical Center where he
completed a fellowship in Allergy and Immunology in 2003. Dr. Amrol joined the Division of Allergy and
Immunology in 2003, where he is currently Director of the Division of Allergy and Immunology, and Associate
Professor of Clinical Internal Medicine. Dr. Amrol’s academic interests include asthma, allergic rhinitis, atopic
dermatitis, food allergy, and immunodeficiency.
The University of South Carolina | Department of Internal Medicine
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Sangita Dash, MD
Dr. Dash graduated medical school from B.L.D.E.A’s Shri B.M. Patil Medical College, India in 1998. After
completing her residency at New York Methodist Hospital in 2004, Dr. Dash continued her education at the
Medical University of South Carolina as fellow in Infectious Diseases. In 2006, she joined the Division of
Infectious Disease at the University of South Carolina School of Medicine where she is currently Assistant
Professor of Clinical Internal Medicine. Dr. Dash participates in teaching rounds with residents and medical
students.
Wayne A. Duffus, MD, PhD
Dr. Duffus joined the Division of Infectious Diseases in 2004 where he is currently Associate Professor of Clinical
Internal Medicine. He graduated medical school from Albert Einstein College of Medicine in 1995 where he also
earned his PhD in Virology. After completing his residency in Internal Medicine at Columbia Presbyterian
Medical Center in 1998, Dr. Duffus completed a Research Fellowship with the CDC at the Epidemiology Branch in
Atlanta, GA and also a Clinical Fellowship in Infectious Diseases at Emory University School of Medicine in 2002.
Dr. Duffus also served as an Epidemic Service Officer for the CDC in Atlanta, GA from 2002-2004. Dr. Duffus is
also the Medical Director for the South Carolina Department of Health and Environmental Control STD/HIV
Division and the AIDS Drug Assistance Program Pharmacy. In addition to patient care, Dr. Duffus is the principal investigator for
many HIV/AIDS and STD research studies.
Bruce M. Easterling, MD
Dr. Easterling joined the Division of Geriatrics in 2005 after completing his Geriatrics Fellowship at Palmetto
Health Richland. He also was a Family Medicine resident at the University of South Carolina School of Medicine
and Palmetto Health Richland from 2001-2004. Prior to his residency, Dr. Easterling earned his undergraduate
degree from the U.S. Naval Academy in 1991 and went to medical school at the Medical University of South
Carolina where he graduated in 2001. Dr. Easterling is Director of Home-based Primary Care at Dorn VA Hospital
and is DVAMC Assistant Professor of Clinical Internal Medicine. His interests include elderly home care and
driving in the elderly.
James W. Fant, Jr., MD
Dr. Fant graduated medical school from the Medical University of South Carolina in 1986. He completed his
residency at Memorial Hospital and East Carolina University in Greenville, NC in 1989. Dr. Fant also completed a
Rheumatology Fellowship at Wilford Hall, USAF-MC in Lackland, AFB, San Antonio, Texas in 1991. He joined the
Division of Rheumatology in 2001 where he is currently the division Director and Associate Professor of Clinical
Internal Medicine. His academic interests include systemic rheumatologic disorders and software development computerized medical record and rheumatology progress note generation.
Joseph A. Horvath, MD
Dr. Horvath joined the Division of Infectious Diseases in 1996 where he is currently Associate Professor of
Clinical Internal Medicine. He graduated medical school from Temple University Medical School in 1988, and
completed his residency at the University of Connecticut Health Center in 1991. Dr. Horvath also completed an
Infectious Diseases Fellowship at Vanderbilit University School of Medicine in 1994 before joining the University
of South Carolina School of Medicine. His academic interests include infectious diseases, fungal infections, and
immunocompromised hosts.
Davinder Lally, MD
Dr. Lally completed pre-medical and graduate studies at the University of Southampton School of Medicine in
England in 1983. After completing her residency at the University of South Carolina School of Medicine and
Palmetto Health Richland in 1987, she joined the Division of General Internal Medicine. Dr. Lally’s academic
interests include women’s health and outpatient medicine. She Is currently the Internal Medicine Clerkship
Director for third and fourth year students. She also precepts residents in ambulatory clinic and serves as the
residents’ inpatient attending physician.
The University of South Carolina | Department of Internal Medicine
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Tu Lin, MD
Dr. Lin graduated medical school from National Taiwan University College of Medicine in Taiwan in 1966. He
completed his internship at Episcopal Hospital, Philadelphia in 1968 and his medical residency at Berkshire
Medical Center in 1970. Dr. Lin also completed a fellowship in Endocrinology and Medical Science Research at
Brown University in 1973. He joined the Division of Endocrinology in 1976 and retired in 2010. He was the
division Director from 1992 to 2010 and currently Professor of Clinical Internal Medicine. Dr. Lin’s academic
interests include basic research in area of male reproductive endocrinology and also carrying out clinical trials in
the area of diabetes research. Over the years, he has published 81 research articles, 11 book chapters and 100
abstracts. He served on the Merit Review Board of Endocrinology, Department of Veterans Affairs from 1990-1994. He also served
on the Editorial Board of Journal of Andrology from 1993 to 1996, Biology of Reproduction from 1990-1995 and Endocrinology, an
official journal of the Endocrine Society, from 2005 to 2008. He received research award from the University of South Carolina
School of Medicine in 1981, 1989 and 1995. Dr. Lin attends on wards as well as in endocrine clinics.
B. James McCallum, MD
Dr. McCallum graduated medical school from the University of South Carolina School of Medicine in 2001. He
also completed his residency at the university in Internal Medicine in 2004 before joining the faculty the same
year. His academic interests include medical student and resident education. Dr. McCallum’s teaching activities
include VA ward attending as well as VA clinic attending at the Dorn VA Hospital where he is DVAMC Assistant
Professor of Clinical Internal Medicine with the Division of General Internal Medicine.
Franklin R. McGuire, MD
Dr. McGuire joined the Division of Pulmonology and Critical Care Medicine in 2006 where he is currently
Assistant Professor of Clinical Internal Medicine. He graduated medical school from the University of Kentucky in
1999 and completed his residency at a UNC program at Moses H. Cone Memorial Hospital in 2001. He also
completed a Pulmonary and Critical Care Fellowship at the University of Virginia in 2006. He then went to ECU
for an interventional pulmonology fellowship before joining our staff. Dr. McGuire’s academic interests include
interventional pulmonology and thoracic oncology. His teaching activity includes teaching rounds, bronchoscopy
education, and research mentoring as well as lecturing.
Juraj Osterman, MD
Dr. Osterman joined the Division of Endocrinology in 1978 where he is currently Professor of Clinical Internal
Medicine. He graduated medical school from the University of Zagreb in Croatia in 1961. He completed his
residency in 1975 at Pennsylvania State University where he also completed a fellowship in Endocrinology in
1978. Dr. Osterman’s academic interests include pathophysiology of endocrine systems and metabolism, which
he teaches second year medicine and graduate students. His clinical interests are pituitary tumors, lipid
disorders, adrenal diseases, and male reproductive disorders.
Linda A. Perkins, MD
Dr. Perkins graduated medical school from The University of Texas Medical Branch at Galveston in 2000. She
completed her residency at Scott & White in 2004 where she also completed a fellowship in Pulmonary and
Critical care in 2007. Dr. Perkins is currently Assistant Professor of Clinical Internal Medicine with the Division of
Pulmonary and Critical Care Medicine. She is also the Medical Director of the MSU at Palmetto Health Richland.
Dr. Perkins’ academic interest includes interstitial lung disease.
The University of South Carolina | Department of Internal Medicine
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Mary Beth Poston, MD
Dr. Poston joined the Division of Internal Medicine in 2004 where she is currently Assistant Professor of Clinical
Internal Medicine. She graduated medical school from the University of South Carolina School of Medicine in
1999 where she also completed her residency in 2002. She completed an Academic Generalist and MS Clinical
Research Fellowship in 2004. Academically, Dr. Poston is interested in pre-clinical medical student education
and is Director of the Introduction to Clinical Medicine curriculum. Additional interests include ultrasound in
medical education and increasing physical activity in primary care.
Caroline K. Powell, MD
Dr. Powell joined the Division of Internal Medicine in 2007 where she is currently Professor of Clinical Internal
Medicine. She graduated medical school from the University of South Carolina School of Medicine in 2001. She
completed her residency at Emory University in 2004 and an Academic Generalist/Health Sciences Research
Fellowship at the Medical University of South Carolina in 2007. Dr. Powell’s teaching activities include the
Medicine in the News lecture series as well as directing the third year Internal Medicine student clerkship.
Donna D. Ray, MD
Dr. Ray graduated medical school from the University of South Carolina School of Medicine where she also
completed her residency and a fellowship in Geriatrics. She joined the Division of Geriatrics in 2003 where she is
currently Assistant Professor of Clinical Internal Medicine and Director of Faculty Development for the School of
Medicine. Dr. Ray’s academic interests include issues and methods of medical education in geriatrics as well as
faculty development for evaluation and teaching related to the General Competencies in resident education.
Nancy Richeson, MD
Dr. Richeson joined the Division of Internal Medicine in 1983 where she is currently Professor of Clinical Internal
Medicine. She graduated medical school from the Medical College of Virginia in 1980 and completed her
residency at the University of South Carolina School of Medicine/Palmetto Health in 1983. Dr. Richeson’s
academic interests include medical education, clinical assessment, and standardized patients.
Ali A. Rizvi, MD
Dr. Rizvi graduated from King Edward Medical College in Lahore, Pakistan, completed his residency at the
Cleveland Clinic, and a fellowship at Stanford University, California. He joined the Department of Medicine in
2004 and is currently Professor of Clinical Internal Medicine, Chief of the Division of Endocrinology, and
fellowship training program director. In addition to general endocrine disease, Dr. Rizvi is particularly interested
in the management of diabetes and its complications. He is active in patient care, teaching of students,
residents, and fellows, clinical research, and volunteering.
Andrew W. Sides, MD
Dr. Sides graduated medical school from the University of South Carolina School of Medicine in 2006 and
completed his residency at Carolinas Medical Center in 2009. He joined the Division of Internal Medicine in 2009
where he is currently Assistant Professor of Clinical Internal Medicine. Dr. Sides lists his primary academic
interest as resident and medical student education.
The University of South Carolina | Department of Internal Medicine
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Stuart M. Smith, MD
Dr. Smith graduated medical school from Ross University School of Medicine in 1998 and completed his
residency at the University of South Carolina in 2001. He joined the faculty in 2001 where he is currently DVAMC
Assistant Professor of Clinical Internal Medicine, Academic Hospitalist, and Acting/Associate Director of Primary
Care and Subspecialty Medicine at the Dorn VA hospital.
M. Shawn Stinson, MD
Dr. Stinson graduated medical school from Duke University School of Medicine in 1988 and completed his
residency at The Johns Hopkins University School of Medicine in 1991. He also completed a fellowship in Faculty
Development at the University of North Carolina School of Medicine in 1998. Dr. Stinson joined the faculty in
1995 where he is currently Associate Professor of Clinical Internal Medicine, Vice-President of Clinical Quality
and Patient Safety at Palmetto Health, and Chairman of the Quality Improvement Council for Health Sciences of
South Carolina. His academic interests include medical education, medical informatics, and quality
improvement.
Gregg Talente, MD
Dr. Talente completed his undergraduate and medical education at the University of North Carolina at Chapel
Hill. He completed his residency in Internal Medicine and Pediatrics at the University of Kentucky. After
completing residency training he completed a Primary Care Fellowship and obtained a Masters Degree in
Education at the University of Kentucky. He joined the Division of General Internal Medicine in 2010. Previously
he worked at East Carolina University School of Medicine where he served as the Program Director of the
Combined Internal Medicine and Pediatric Residency and Interim Chief of General Internal Medicine. He is
currently the Director of the Internal Medicine Resident Clinic and has an adjunct appointment in the Department of Pediatrics and
Division of General Pediatrics. His interests include resident and student education, educational evaluation, and issues related to
transitioning emerging adults with chronic disease from pediatric to adult health care environments.
Tracy R. Voss, MD
Dr. Voss joined the Division of Internal Medicine in 1993 where she is currently Assistant Professor of Clinical
Internal Medicine. She graduated medical school from the University of Wisconsin in 1986 and completed her
residency at the New England Deaconess / Beth Israel Harvard Medical School Program in 1989. She stayed on
for an additional year of training as Chief Resident of Internal Medicine. Dr. Voss’ academic interest includes
women’s health issues.
Antoinette L. Williams, MD
Dr. Williams joined the Division of Pulmonology and Critical Care Medicine in 2008 where she is currently
Assistant Professor of Clinical Internal Medicine. She graduated medical school and completed her residency
from the University of South Carolina School of Medicine in 2001 and 2004. She also completed fellowships in
Critical Care Medicine, Pulmonary Disease, and Sleep Medicine at the University of Maryland. Dr. Williams’
academic interests include sleep and women and, more specifically, the effects of sleep apnea as it relates to
pregnant women.
The University of South Carolina | Department of Internal Medicine
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