Our Faculty

Isitri Modak, M.D.

Texas Health Presbyterian Hospital Plano Internal Medicine Residency Program Director

Isitri Modak, M.D. obtained her bachelor's degree in biology from the Massachusetts Institute of Technology and her medical degree from The University of Texas Health Science Center, now the John P. and Kathrine G. McGovern Medical School, in Houston, Texas. She completed her internal medicine residency and a primary care fellowship at The University of Texas Health Science Center at Houston.

After training, Dr. Modak served as assistant professor and associate program director at Wayne State School of Medicine in Detroit. Prior to joining Texas Health Presbyterian Hospital Plano, she served as associate program director and medical director of a multispecialty residency clinic at a community-based hospital in Dallas.

She currently serves as associate professor in internal medicine at Burnett School of Medicine at TCU and as a member of the clinical faculty UT Southwestern Medical School. She is also a certified mindfulness teacher and life coach.

She is passionate about graduate medical education and providing a supportive and inclusive environment for residency training.

Hassan Qadir, M.D.

Texas Health Presbyterian Hospital Plano Internal Medicine Residency Associate Program Director

Hassan Qadir, M.D. completed his bachelor’s degree from the University of Massachusetts Dartmouth, with a major in clinical laboratory science. In undergraduate, he studied a semester abroad at Justus-Liebig-University Giessen in Giessen, Germany, and earned a minor in biotechnology. After graduation, he worked in the pharmaceutical industry, focusing on research and diagnostics of lysosomal storage disorders, including Gaucher’s disease, Fabry’s disease and Niemann-Pick disease. He then attended the Ross University School of Medicine in Portsmouth, Dominica, and graduated with honors.

Dr. Qadir completed his internal medicine residency from UMass Chan Medical School’s major affiliate, Berkshire Medical Center. During his residency years, he was active in the Resident-Fellow Section (RFs) of the Massachusetts Medical Society, and served as an RFS delegate from Massachusetts for the American Medical Association.

After his residency training, Dr. Qadir became involved in graduate medical education at UMass Chan Medical School at Baystate Medical Center and The Warren Alpert Medical School at Brown University. He was an associate chief of hospital medicine at Providence VA Medical Center before relocating to the North Texas area.

Dr. Qadir holds medical staff privileges Texas Health Presbyterian Hospital Plano as a hospitalist physician. He also serves as a clinical faculty at Burnett School of Medicine at TCU and The Warren Alpert Medical School of Brown University.