Vishnu Madireddy, MD

Internal Medicine

Sohel Majeed, MD


Rita Zafra, MD

Obstetrician & Gynecologist

Otto Garcia, MD

Internal Medicine

Mahmoud Lofti, DC


Eliyazar Gaddam, MD

Cardiovascular Disease Specialist

Anca Bulgariu, APN

Nurse Practitioner

Miguel Jimenez , DC

Behavioral Therapist

Pekka Soini, MD

Obstetrician & Gynecologist

Carlos Rafael Da Fonseca, MD

Family Medicine

Hisham Sadek, MD, PhD


Hisham S. Sadek, MD, PhD, has over 20 years of experience treating patients with various psychiatric disorders. He is one of the highly-skilled physicians at Hermosa Medical and Diagnostic Center, which is a multi-specialty practice in Chicago, Illinois. Dr. Sadek specializes in addiction psychiatry, with extensive training and experience in substance abuse and dependency disorders.

Dr. Sadek obtained his Doctor of Medicine degree from Alexandria University Faculty of Medicine in Egypt. He then pursued further graduate-level education by earning a Master of Public Health program at the University of Illinois at Chicago (UIC). Dr. Sadek developed an interest in improving public health outcomes and advocating for quality mental health care. This passion led him to choose a medical residency in psychiatry. He completed his residency at UIC as well as the Illinois State Psychiatric Institute and graduated as chief resident.

Dr. Sadek has been part of the Hermosa Medical and Diagnostic Center family for over eight years. In addition to running his practice, Dr. Sadek has worked as a psychiatrist for the City of Chicago Department of Public Health as well as AMITA Health Saints Mary and Elizabeth Medical Center.

Bianca Cartagena, APN-BC

Shoeb Ahmed Mohiuddin, M.D.

Pain Management & Anesthesiologist