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Division of Rheumatology, Allergy, and Immunology


Leah Bettner, MD
Second Year Rheumatology Fellow

Undergraduate: BA, Spanish Language & Culture, Bucknell University, Lewisburg, PA
Medical School: Sidney Kimmel Medical College at Thomas Jefferson University
Residency: Internal Medicine, University of Colorado, Aurora, CO

Dr. Bettner pursued rheumatology because she enjoys cultivating long-term relationships with patients living with complex inflammatory diseases. She looks forward to finding a research niche within the field and is excited by the promising therapeutic advancements in development. Outside of work she enjoys leisurely trail running and hiking.

Shruti Chandramouli, MD
Second Year Rheumatology Fellow
Undergraduate: BS, Biology, Georgia Institute of Technology, Atlanta, GA
Medical School: MD, Emory University School of Medicine, Atlanta, GA
Residency: University of Texas Southwestern, Dallas, TX

Dr. Chandramouli was drawn to the field of Rheumatology for several reasons, including the long-term, meaningful relationships physicians develop with patients ailed by chronic illness, and the intellectually stimulating and diagnostically complex nature of systemic rheumatic diseases.  She has a particular interest in women’s health and the management of rheumatic diseases during pregnancy.

Christopher Overton, MD
Second Year Rheumatology Fellow
Undergraduate: BS, Biology, University of Virginia, Charlottesville, VA
Medical School: MD, Virginia Commonwealth University, Richmond, VA
Residency: Internal Medicine, Virginia Commonwealth University, Richmond, VA

Dr. Overton chose to pursue rheumatology because he was fascinated and humbled by the complexity of rheumatic disease, the rewarding long time patient-provider relationships, and exciting research opportunities. He plans to continue working in an academic setting as a clinician educator. In his free time, Dr. Overton enjoys spending time with his family and their dog, Bennett. He also loves sports, and playing the guitar.

Astia Allenzara, MD
First Year Rheumatology Fellow
Undergraduate: BA Biochemistry, minor Spanish, Smith College, Northampton, MA
Medical School: MD, Robert Larner College of Medicine at University of Vermont, Burlington, VA
Residency: Hospital of the University of Pennsylvania, Philadelphia, PA

Dr. Allenzara chose to pursue a career in rheumatology because it afforded the opportunity to combine close, longitudinal patient care alongside the complexity of diagnosing and managing autoimmune diseases.  During her training at UNC, she aspires to gain skills in epidemiology to advance understanding of disease and modifiable factors that can be targeted for improving health outcomes. Dr. Allenzara has a strong commitment to medical education and equity in medical care.  In her free time, she enjoys family, reading, knitting, biking and travelling.

Michael Cunningham, MD
First Year Rheumatology Fellow
Undergraduate: BS, Biology, College of Charleston, SC
Medical School: UNC Chapel Hill, NC
Residency: UNC Chapel Hill, NC

As a North Carolina native, Dr. Cunningham grew up wanting to support the Tar Heel state’s communities. After receiving his undergraduate degree from the College of Charleston, he returned to N.C. to work in an immunology laboratory studying autoimmune diseases. He pursued a career in rheumatology to evolve his bench work into caring for patients with autoimmune conditions at bedside.

Luis Palomino, MD
First Year Rheumatology Fellow
Undergraduate: Univ. of Texas Health Science Center School of Nursing, Houston, TX
Medical School: Univ. of Texas Health Science Center, McGovern Medical School, Houston, TX
Residency: University of Alabama at Birmingham Internal Medicine, Birmingham, AL

Dr. Palomino pursued rheumatology for the complexity of cases and long-term relationships with patients. He enjoys learning about the immune system and new pharmacotherapies that are improving the lives of rheumatology patients, and is especially interested in researching health differences in ethnic minorities. Dr. Palomino enjoys reading, gaming, hiking, board games, market investing, eating out, and visiting breweries with friends.