Advocate Illinois Masonic Medical Center
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Meet Our Care Team

When it comes to cancer care you can trust, turn to the experts at Advocate Illinois Masonic Medical Center. Our team is made up of board-certified specialists in gynecologic, medical, radiation and surgical oncology.

Gynecologic Oncology

Morteza Dini, MD

Philosophy of care: Approaching the care of patients as a whole and addressing the physical, medical and spiritual concerns of patients in a compassionate, respectful manner.

Lori Weinberg, MD

Philosophy of care: I always put the needs of my patients first, working collaboratively to identify the right next steps and plan of action.

Medical Oncology

Ann Mauer, MD

Philosophy of care: To provide up-to-date care for patients with cancer and blood diseases, utilizing a multidisciplinary approach. Care is personalized and patients are involved in decision making.

Deepti Singh, MD 

Philosophy of care: Helping patients make the best medical decisions using evidence based medicine, clinical circumstances and personal values. Every patient is unique and needs personalized attention and plans of care.

Sangeetha Nimmagadda, MD

Philosophy of care: As a medical oncologist, I feel strongly about giving patients the most up-to-date treatment to help them fight cancer. I try to give my patients what I would want as a patient: access to the most recent advances in the field, the ability to communicate with their oncologist whenever needed and the understanding that they are not going through this alone.

Mebea Aklilu, MD

Philosophy of care: To provide comprehensive and up-to-date care for patients with cancer in a thoughtful and compassionate manner.

Denise Levitan, MD

Radiation Oncology 

Santosh Yajnik, MD

Philosophy of care: I became a radiation oncologist because I believe that radiation therapy is one of the most technologically advanced means of treating cancer. I believe that radiation oncology, in combination with molecular targeted therapies, will transform the way that we regard cancer, and help patients get back to living their lives.

Paige Dorn, MD

Philosophy of care: As a radiation oncologist, I work as part of a multidisciplinary team to arrive at a coordinated and individualized plan of care. I enjoy taking advantage of rapidly advancing radiation technologies to improve outcomes, and I aim to thoroughly educate patients about their disease and treatment options.

Surgical Oncology

Ajay Maker, MD

Philosophy of care: I endeavor to provide safe, compassionate and individualized care to people with cancer. Using the most current research and cutting-edge surgical technologies, we can often remove even advanced cancers. I became a surgical oncologist to work with patients and their families in battling this disease.

Heidi Memmel, MD

Philosophy of Care: As a breast surgeon, I work as a partner with women and their families to provide excellent care in a compassionate and respectful environment. My personal approach is to provide patients with a level of comfort that encourages them to ask questions and express concerns so that they feel well-educated and in control of their own care.


Learn More About Our Team

Learn more about our oncology specialists online or call a patient service representative at 773.296.7089 for help finding a physician who is right for you.

Contact Us

To make an appointment, please call 773.298.7089.
Physicians: Refer a new patient by calling 773.298.7248.

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