Endocrinology Fellows

Perihan Dimachkie, M.D.

Perihan Dimachkie, M.D.

Second-Year Fellow
Perihan was born and raised in Beirut, Lebanon. She completed her undergraduate training and medical school at the American University of Beirut. She then moved to USA and finished her internal medicine residency at Case Western Reserve University Hopsitals in Cleveland, Ohio. She recently moved to Dallas and joined the UT Southwestern Endocrinology Fellowship Program. She is particularly interersted in the pituitary and adrenal pathology. Perihan enjoys spending her free time with her family and little boy. 

Ahmed Elhassan, M.D.

Ahmed Elhassan, M.D.

First-Year Fellow
Ahmed was born and raised in Dubai, United Arab Emirates, completed medical school in University of Khartoum, Sudan, and has then moved to Chicago, Illinois where he finished an Internal Medicine residency in Saint Joseph Hospital. During his residency years, Ahmed has developed a passion for Endocrinology with specific focus on the management of Diabetes, Obesity, and Metabolic syndrome. In his free time, Ahmed enjoys playing soccer, and traveling to new destinations.

Maria Isabel Esparza, M.D.

Maria isabel Esparza, M.D.

First-Year Fellow
Maria Isabel was born in Chicago, Illinois, and moved to Aguascalientes, Mexico, where she completed her medical training. She spent one year as a primary care physician at El Temazcal, Mexico, during which time she participated in quality improvement projects involving diabetic patients. She then moved to Texas to pursue her residency in Internal Medicine at The University of Texas Health Science Center in San Antonio, where she participated in research projects in peripheral vascular disease and hormone replacement therapy in gender identity disorder patients. She recently moved to Dallas and joined the UT Southwestern Endocrinology Fellowship. She is specifically interested in endocrine physiology, thyroid disease, diabetes, and gender identity disorder. In her free time, Isabel enjoys dancing and horseback riding.

Adriana Gonzalez, M.D.

Adriana Gonzalez, M.D.

First-Year Fellow
Adriana was raised in the Rio Grande Valley. She completed her undergraduate training at the University of Texas Brownsville. Then she moved to San Antonio for medical school at the University of Texas Health Science Center San Antonio She completed an Internal Medicine residency at the University of Texas Medical Branch Galveston. She moved to Dallas and joined the UT Southwestern Endocrinology Fellowship Program. She is interested in general endocrinology. Adriana enjoys spending her free time with her family.

Kim Panach, M.D.

Kim Panach, M.D.

Second-Year Fellow
Kim was born and raised in Reading, England. She moved to California to complete high school and attended the honors program at California State University at Fresno, graduating with University Honors. She went to medical school at the Medical College of Wisconsin and was selected to be a member of the Alpha Omega Alpha Honor Medical Society. She completed her residency in internal medicine at UT Southwestern Medical Center. After residency, she worked as a hospitalist for one year and was an assistant professor at Texas A&M Health Science Center College of Medicine. In her free time she enjoys traveling, cooking, and playing tennis.

Katherine Peicher, M.D.

Katherine Peicher, MD.

Second-Year Fellow
Katherine was born and raised in South Florida. After completing her undergraduate studies at Northwestern University, Katherine went to medical school at Nova Southeastern University. She then completed her residency in Internal Medicine at the University of Texas Health Science Center in Houston before joining UT Southwestern to pursue her fellowship in Endocrinology. A fluent Spanish speaker with a passion for international medicine, Katherine has provided medical services to communities in both Peru and Africa. Her past research experience includes studying salvage therapy for treatment of locally advanced or metastatic medullary thyroid cancer at MD Anderson Cancer Center. In her free time, she enjoys spending time with her family, playing tennis, and waterskiing.

Li Song, M.D.

Shilpa Shetty, MBBS

Second-Year Fellow
Li was born in China and completed medical school and internal medicine residency at UT Southwestern Medical Center in Dallas. She enjoyed her time at UTSW and Dallas so much that she decided to further her training in the field of endocrinology. In her free time she enjoys traveling, cooking, taekwondo, and training her new lab puppy.

Sesha Uppalapati, M.D.

Sesha Uppalapati, M.D.

First-Year Fellow
Medical School: Osmania Medical College, India
Residency: St. Luke's University Hospital, Bethlehem, PA
Fellowship: University of Medicine and Dentistry, Newark, NJ