Our Cancer Team

Our team of renowned, board certified cancer physicians brings over 100 combined years of experience to your cancer journey.

We are nationally recognized for our oncology expertise, knowledge, and compassion. These compassionate cancer physicians are delivering world-class cancer care in Mid-Michigan.

Appointments and Referrals

Sparrow offers a team approach when determining an individualized cancer plan. Patients may be seen through one of our multidisciplinary clinics including breast, colorectal, chest, genitourinary (GU),  head and neck, and upper gastrointestinal (GI) cancer. For an appointment, referral, or more information, please call 517.364.9402.

Our Providers


Our medical oncologists are experts in diagnosing and treating cancer with knowledge of the latest chemotherapy, hormonal therapy, biological therapy, and targeted therapy. 


Hussein Ali-Ahmad, MD Cancer Center

Hussein M. Ali-Ahmad, M.D.

Dr. Ali-Ahmad, is board certified by the American Board of Oncology, American Board of Hematology, and the American Board of International Medicine. Before joining Sparrow’s oncology team, Dr. Ali-Ahmad practiced at Roswell Park Center Institute Oncology P.C.

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Heidi Egloff, MD Cancer Center

Heidi Egloff, M.D.

Dr. Egloff provides hematology and medical oncology services at Sparrow Herbert-Herman Cancer Center and SMG Oncology Charlotte. Egloff obtained her undergraduate degree from Western Michigan University and her medical degree from the Michigan State University College of Human Medicine.

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Muhammad Hamdan, MD Cancer Center

Muhammad Hamdan, M.D.

Dr. Hamdan is board certified in both hematology and oncology. He received his medical degree from the School of Medicine Damascus University in Syria. Before joining Sparrow’s oncology team, Dr. Hamdan was the Associate Medical Director of the Great Lakes Cancer Institute from 1999 to 2006.

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Gordan Srkalovic, MD Cancer Center

Gordan Srkalovic, M.D., PH.D.

Dr. Srkalovic is the Medical Director of Sparrow Herbert-Herman Cancer Center, and Chairman of Sparrow Health System’s Cancer Committee. Dr. Srkalovic is also the Director of the Clinical Trials Office and a Physician at Sparrow Herbert-Herman Cancer Center, practicing hematology and oncology. Dr. Srkalovic was born in Sarajevo, Bosnia and received his medical degree and Master of Science degree from the University of Sarajevo Medical School, as well as his Ph.D from the University of Tuzla Medical School.

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Brittani Thomas, DO Cancer Center

Brittani Thomas, D.O.

Dr. Thomas completed her Hematology/Oncology Fellowship and Internal Medicine Residency at Genesys Regional Medical Center, where she held the title of Chief Fellow and Chief Resident. She graduated from the Michigan State University College of Osteopathic Medicine. Dr. Thomas provides Hematology/Medical Oncology Services at the Sparrow Herbert-Herman Cancer Center in Lansing and Sparrow Carson Hospital in Carson City.

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Our expert radiation oncologists work closely with our medical oncologists, surgeons, and other physician specialists to determine the most appropriate course of cancer radiation treatment. They use leading edge technology that can lead to earlier detection, and shorter and more accurate treatments for patients.

Brendan G. Coutu, MD

Brendan Coutu, M.D., M.B.A.

Dr. Coutu joined the Sparrow Herbert-Herman Cancer Center team in July 2022. Dr. Coutu completed his medical school at the University of Minnesota and his intern year in internal medicine at the Cleveland Clinic. Dr. Coutu’s Radiation Oncology residency was at the University of Nebraska Medical Center, where he was selected as the Chief Resident during his final year of residency. Dr. Coutu has a special interest in stereotactic body radiotherapy using the MRIDIAN ViewRay linear accelerator, for which he was excited to join the team at Sparrow.

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James Herman, MD Cancer Center

James Herman, M.D.

Dr. Herman has been a member of Sparrow’s oncology team since 1983. He is board certified in internal medicine, medical oncology, and radiation oncology. He received his medical degree from the University of Saskatchewan in Saskatoon, Saskatchewan Canada. Treating all cancer types, Dr. Herman has been instrumental in developing and implementing Sparrow’s multidisciplinary oncology clinics. His greatest ability is his strong communication with patients and their families. 

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Nathan Jones DO Cancer Center

Nathan Jones, D.O.

Dr. Jones joined the Sparrow Herbert-Herman Cancer Center team in June 2017, and is board certified by the American Board of Radiology. He completed his undergraduate studies at the University of Utah, receiving a B.S. degree in applied physics. Jones went on to complete medical school training at A.T. Still University as a health professions scholarship recipient with the U.S. Army.

Dr. Jones is trained in full complement of radiation treatment modalities including three-dimensional conformal radiation therapy, intensity modulated radiation therapy, proton therapy, stereotactic body radiation therapy, gamma knife radiosurgery, high dose rate brachytherapy, permanent interstitial radiation therapy, stereotactic radiosurgery, image guided radiation therapy, and radioactive iodine therapy.

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Clinical pharmacists in oncology pharmacy provide pharmaceutical care to patients with cancer. They offer expertise and guidance on medication-related issues and ensure the safe and effective use of medications in cancer treatment.

Jennifer VanSickle, PharmD - Oncology Pharmacy

Jennifer VanSickler, PharmD

Dr. VanSickler is an ambulatory clinical oncology pharmacist at Sparrow Herbert-Herman Cancer Center. Her clinical focus is oral anticancer agent management, including patient education and monitoring of adherence and toxicities. Dr. VanSickler obtained her undergraduate degree from Michigan State University and her Doctor of Pharmacy degree from the University of Michigan College of Pharmacy. She completed her PGY1 Pharmacy Residency at E.W. Sparrow Hospital.


Our surgical oncologists are the only fellowship trained team in Mid-Michigan. They provide surgical expertise and skill at removing tumors and performing biopsies. 

Shahrzad (Shari) R. Brown, M.D.

Shahrzad (Shari) R. Brown, M.D.

Dr. Brown is a Breast Surgical Oncologist at Sparrow Hospital. Dr. Brown was born and raised in California and received a B.S. in Molecular and Environmental Biology from the University of California Berkeley and completed General Surgery residency at St. Joseph Mercy Oakland in Pontiac, MI. She is board certified by the American Board of Surgery. 

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Thais Fortes, MD SMG General Surgery Lansing

Thais Fortes, M.D.

Dr. Fortes is a Gynecologic Surgeon who specializes in management of breast diseases. She earned her medical degree from Universidade Federal do Piaui, Brazil. Dr. Fortes underwent Obstetrics and Gynecology residency and Breast Surgery fellowship in her home country prior to moving to the U.S.

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Nurse Navigators

Sparrow cancer patients have access to nurse navigators that help patients through their cancer journey. The certified nurse navigators provide education and support for cancer patients and their families. Their service ensures that questions are answered and helps to relieve confusion, fears, and anxiety. The navigator also helps facilitate referrals to community resources and providers.

Learn more about our navigators and multidisciplinary clinics.