Overview
Mark Ratain is a Hematologist Oncology specialist and a Hematologist in Chicago, Illinois. Dr. Ratain is rated as an Advanced provider by MediFind in the treatment of Agranulocytosis. His top areas of expertise are Agranulocytosis, Colorectal Cancer, Breast Cancer, Prostate Cancer, and Endoscopy. Dr. Ratain is currently accepting new patients.
His clinical research consists of co-authoring 262 peer reviewed articles and participating in 1 clinical trial. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 6 articles in the study of Agranulocytosis.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- HMO
- PPO
Locations
5841 S Maryland Ave, Chicago, IL 60637
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
1 Clinical Trials
Affiliated Oncologists, LLC
Amar Hamad is a Hematologist and an Oncologist in Chicago Ridge, Illinois. Dr. Hamad is rated as a Distinguished provider by MediFind in the treatment of Agranulocytosis. His top areas of expertise are Severe Congenital Neutropenia, Agranulocytosis, Chronic Familial Neutropenia, and Familial Colorectal Cancer.
Affiliated Oncologists, LLC
Ghassan Zalzaleh is a Hematologist and an Oncologist in Chicago Ridge, Illinois. Dr. Zalzaleh is rated as a Distinguished provider by MediFind in the treatment of Agranulocytosis. His top areas of expertise are Severe Congenital Neutropenia, Agranulocytosis, Chronic Familial Neutropenia, and Chronic Lymphocytic Leukemia (CLL).
Affiliated Oncologists, LLC
Jayanthi Ramadurai is a Hematologist and an Oncologist in Chicago Ridge, Illinois. Dr. Ramadurai is rated as a Distinguished provider by MediFind in the treatment of Agranulocytosis. Her top areas of expertise are Severe Congenital Neutropenia, Paget Disease of the Breast, Breast Cancer, and Chronic Familial Neutropenia.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- AgranulocytosisDr. Ratain isAdvanced. Learn about Agranulocytosis.
- Experienced
- ALK-Positive Non-Small Cell Lung CancerDr. Ratain isExperienced. Learn about ALK-Positive Non-Small Cell Lung Cancer.
- AnemiaDr. Ratain isExperienced. Learn about Anemia.
- Bone TumorDr. Ratain isExperienced. Learn about Bone Tumor.
- Breast CancerDr. Ratain isExperienced. Learn about Breast Cancer.
- Cholangiocarcinoma (Bile Duct Cancer)Dr. Ratain isExperienced. Learn about Cholangiocarcinoma (Bile Duct Cancer).
- Colorectal CancerDr. Ratain isExperienced. Learn about Colorectal Cancer.


