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About Us

Dr. Al-Katib

Ayad Al-Katib, MD, FACP

The St. John Hematology Oncology Clinic (formerly known as the Lymphoma Clinic of Michigan) is founded by Ayad Al-Katib, M.D., Professor of Medicine and head of the Lymphoma Research laboratory at Wayne State University (Detroit, Mi) and Medical Director of the Van Elslander Cancer Center at St. John Hospital and Medical Center (Grosse Pointe Woods, MI).

Zyad Kafri, MD

Zyad Kafri, MD, MS

Dr. Zyad Kafri is a Hematology Oncology Attending Physician at The Hematology Oncology Clinic of the Van Elslander Cancer Center at St. John Hospital and Medical Center and at St. John Macomb. He is also an Attending Physician at the Detroit Medical Center and an Assistant Professor in the Departments of Medicine and Hematology/Oncology at Wayne State University.

Tarik Hadid, MD Tarik Hadid, MD, MS
Kim Garavaglia Kim Garavaglia
Clinic Office Coordinator and Medical Assistant
Mary Mandziara

Mary Mandziara, MSN, ACNP-BC-AOCN
Coordinator of the Radioimmunotherapy (RIT) Lymphoma Program at the Van Elslander Cancer Center/St John Hospital and Medical Center

Mary Mandziara is a board certified nurse practitioner (NP) and advanced oncology certified nurse. With 15 years experience as a NP in oncology, Mary assists the practice physicians in the clinical management of their patients. Mary is also available to see patients for treatment related problems or follow up visits.

Mary Steigelman

Mary Steigelman
Nurse Navigator

As nurse navigator, Ms. Steigelman facilitates the integration of patient care into a cohesive and coordinated plan. She is also involved in clinical research studes and patient education. Ms. Steigelman is coordinator of the Multidisciplinary Lymphoma-Hematology Conference at the Van Elslander Cancer Center.

Leah Rottier Leah Rottier
Medical Assistant

Kleanthe (Angelakis) Kolizeras
Data Coordinator

Kleanthe collects lymphoma data into our Lymphoma Database for our team to frequently analyze patient disease management and outcomes to improve quality of life for our patients diagnosed with lymphoma. De-identified data is also used for statistical research by the physicians staffed within our clinic. Ms. Kolizeras also abstracts quality oncology practice data to ensure the clinic staff is compliant and up-to-date in quality oncology practice measures and guidelines.




Find a Cancer Specialist

Contact the St. John Hematology Oncology Clinic

Van Elslander Cancer Center
19229 Mack Avenue, Suite #23
Grosse Pointe Woods, MI 48236

Phone: 313-647-3245
Fax: 313-647-3244