Providers

Dr. Ankur Dave
D.O.
Dr. Dave, attended West Virginia School of Osteopathic Medicine for medical school and completed his internship and residency at University of Illinois at Chicago and Advocate Christ Medical Center, and fellowship at Loyola. He is board certified in Internal Medicine and Infectious Disease. Advocate Christ Medical Center, OSF Little Company of Mary Medical Center, Northwestern Medicine Palos Hospital, and University of Chicago Medicine Ingalls Memorial.

Dr. Iria Irlanda
M.D.
Dr. Irlanda, attended Columbia University College of Physician and Surgeons for medical school, completed an Internal Medicine residency at Northwestern University in 1997 and an Infectious Disease fellowship at Rush Medical College in 1999. She is board certified in Internal Medicine and Infectious Disease and practicing infectious disease since 1999. Advocate Christ Medical Center, OSF Little Company of Mary Medical Center, Northwestern Medicine Palos Hospital, and University of Chicago Medicine Ingalls Memorial.

Dr. Kathleen Ruggero
D.O., F.A.C.P., FIDSA
Dr. Ruggero, attended Chicago College of Osteopathic Medicine for medical school, and completed her internship and residency at Lutheran General Hospital and University of Illinois at Chicago. She is board certified in Internal Medicine and Infectious Disease. Advocate Christ Medical Center, OSF Little Company of Mary Medical Center, Northwestern Medicine Palos Hospital, and University of Chicago Medicine Ingalls Memorial.

Dr. Rana Wajahat
MD
Dr. Wajahat, is a board-certified, fellowship trained Infectious Disease specialist with a strong background in clinical care and medical education. She earned her Doctor of Medicine degree from NTR University of Health Sciences in Hyderabad, India. Following her medical degree, Dr. Wajahat completed an Internal Medicine residency at Cleveland Clinic Fairview Hospital in Cleveland, OH and pursued specialized fellowship training in Infectious Diseases at Rosalind Franklin University of Medicine and Science in Chicago, IL.
Dr. Wajahat has a particular interest in managing complex infections including mycobacterial diseases, HIV, hepatitis, cardiovascular infections such as endocarditis, and infections in transplant recipients. She is also passionate about teaching and has contributed to the academic community through published case reports and clinical insights.
Hospital Affiliations:
- OSF Little Company of Mary Medical Center
University of Chicago Medicine Ingalls Memorial Hospital

Dr. Muhammad Tabriz
M.D. FIDSA, clinical associate professor of medicine, UIC
Dr. Tabriz, obtained a Bachelor of Medicine and Surgery (MBBS) degree from Dhaka Medical College, Bangladesh in 1994. He completed an Internal Medicine residency at Mount Sinai/Queens Hospital Center in 2001. He then completed a two-year fellowship in Infectious Disease at St. John Hospital and Medical Center in 2003. Dr. Tabriz is board certified in Internal Medicine and Infectious Disease.
Hospital affiliation:
- Advocate Christ Medical Center
- OSF Little Company of Mary Medical Center
- Northwestern Medicine Palos Hospital
- University of Chicago Medicine Ingalls Memorial Hospital

Dr. Deepa Kamath
D.O., M.P.H.
Dr. Kamath, attended Chicago College of Osteopathic Medicine (Midwestern University) and completed her internship and residency at the University of Chicago, NorthShore program. She completed her fellowship in Infectious Disease at Loyola University Medical Center. She is board certified in Internal Medicine and Infectious Disease.
Hospital affiliation:
- Advocate Christ Medical Center
- OSF Little Company of Mary Medical Center
- Northwestern Medicine Palos Hospital
- University of Chicago Medicine Ingalls Memorial Hospital

Dr. Gregory Olson
M.D.
Dr. Olson, attended the University Of Illinois College Of Medicine at Peoria for medical school, completed his internship and residency at Beth Israel Deaconess Medical Center, and completed his Infectious Diseases fellowship at the University of Chicago Medical Center. He is board certified in Internal Medicine and Infectious Disease. Advocate Christ Medical Center, OSF Little Company of Mary Medical Center, Northwestern Medicine Palos Hospital, and University of Chicago Medicine Ingalls Memorial.

Dr. Arimilli Seshank
M.D.