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Wellstar Radiation Oncology

1800 Hospital South Drive
Austell, GA 30106
Our Areas Of Focus

Radiation therapy for cancer

External beam radiation therapy & brachytherapy

Patient-centered care

Trust our multidisciplinary team to create the most effective care plan for you

Specialized training

Our team includes board-certified radiation oncologists

State-of-the-art SBRT

Stereotactic radiosurgery anywhere in the body

  • Wellstar Radiation Oncology
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(770) 948-6000 COVID-19 Info

Location


About Us

About Us

Wellstar Radiation Therapy at 1800 Hospital South

Our patients have access to the highest standard of care by highly experienced radiation oncologists who employ a range of advanced techniques and technologies. Wellstar radiation oncologists work as part of a greater multidisciplinary team including medical oncologists, surgical oncologists and surgeons in many specialties, genetic specialists and more. We believe in doing what’s best for each patient.

Multidisciplinary care

As a member of Wellstar Cobb Medical Center's cancer program, Radiation Oncology works closely with others in the other cancer specialty groups to deliver world-class care to every patient. The Radiation Oncology team at Wellstar Cobb also collaborates with team members focused on caring for patients with cancer, including dietitians, social workers, nurse navigators and a chaplain, in order to provide care for the patient’s body, mind and soul.

Highest standard of care

Many of our radiation oncologists are board-certified, achieving the highest level of training in the field. This means the people we treat can expect the highest standard of care. Additionally, our team is highly experienced, treating patients every day in our high-volume center. Patients with cancer can have better outcomes when they are treated by radiation oncologists with a depth of experience.

(770) 948-6000 COVID-19 Info
Meet our Team

Sheree Brown, MD

Radiation Oncologist with Wellstar since 2006.

Specialties
Radiation Oncology
Learn More
Rohit Ganju, MD

Radiation Oncologist with Wellstar since 2020.

Specialties
Radiation Oncology
Learn More
Adam Ferro, MD

Radiation Oncologist with Wellstar since 2019.

Specialties
Radiation Oncology
Learn More
Nasarachi Onyeuku, MD

Radiation Oncologist with Wellstar since 2019.

Specialties
Radiation Oncology
Learn More
Mark McLaughlin, MD

Radiation Oncologist with Wellstar since 2003.

Specialties
Radiation Oncology
Learn More
Rakendu Shukla, MD

Radiation Oncologist with Wellstar since 2020.

Specialties
Radiation Oncology
Learn More
Olusola Obayomi-Davies, MD

Radiation Oncologist with Wellstar since 2019.

Specialties
Radiation Oncology
Learn More
Karen Xu, MD

Radiation Oncologist with Wellstar since 2022.

Specialties
Radiation Oncology
Learn More
David Carpenter, MD

Radiation Oncologist with Wellstar since 2018.

Specialties
Radiation Oncology
Learn More
William Thoms, MD

Radiation Oncologist with Wellstar since 1997.

Specialties
Radiation Oncology
Learn More
See More Results

Meet our Team

Sheree Brown, MD

Radiation Oncologist with Wellstar since 2006.

Specialties
Radiation Oncology
Learn More
Rohit Ganju, MD

Radiation Oncologist with Wellstar since 2020.

Specialties
Radiation Oncology
Learn More
Adam Ferro, MD

Radiation Oncologist with Wellstar since 2019.

Specialties
Radiation Oncology
Learn More
Nasarachi Onyeuku, MD

Radiation Oncologist with Wellstar since 2019.

Specialties
Radiation Oncology
Learn More
Mark McLaughlin, MD

Radiation Oncologist with Wellstar since 2003.

Specialties
Radiation Oncology
Learn More
Rakendu Shukla, MD

Radiation Oncologist with Wellstar since 2020.

Specialties
Radiation Oncology
Learn More
Olusola Obayomi-Davies, MD

Radiation Oncologist with Wellstar since 2019.

Specialties
Radiation Oncology
Learn More
Karen Xu, MD

Radiation Oncologist with Wellstar since 2022.

Specialties
Radiation Oncology
Learn More
David Carpenter, MD

Radiation Oncologist with Wellstar since 2018.

Specialties
Radiation Oncology
Learn More
William Thoms, MD

Radiation Oncologist with Wellstar since 1997.

Specialties
Radiation Oncology
Learn More

Sheree Brown, MD

Radiation Oncologist with Wellstar since 2006.

Specialties
Radiation Oncology
Education
Doctor of Medicine
Patient Rating

Dr. Brown received her bachelor’s degree in psychology from Spelman College and earned her medical degree from Howard University Medical School. She completed her residency in internal medicine at Franklin Square Hospital in Baltimore, followed by a residency in radiation oncology from Howard University Hospital, Washington Hospital Center Cancer Institute in Washington, D.C.

Dr. Brown is a professional member of the American Brachytherapy Society and the American Society for Therapeutic Radiology and Oncology. In her spare time, she enjoys spending time with her family, cycling, aerobics and travel.

 

Rohit Ganju, MD

Radiation Oncologist with Wellstar since 2020.

Specialties
Radiation Oncology
Education
Doctor of Medicine
Patient Rating

Adam Ferro, MD

Radiation Oncologist with Wellstar since 2019.

Specialties
Radiation Oncology
Education
Doctor of Medicine
Patient Rating

As a radiation oncologist, Dr. Adam Ferro is part of a dedicated team that helps patients and their loved ones through difficult cancer diagnoses.

Based on a love of science and passion for helping people, Dr. Ferro made the decision to pursue medicine. During his time in school, he was drawn to all the possibilities of radiation oncology and the field’s exciting technological advancements for the future.

Dr. Ferro uses high-powered technology, multidisciplinary collaboration, and evidence-based approaches to deliver the best care possible. By getting to know each and every patient on a personal level, Dr. Ferro builds holistic treatment plans that address the whole body, mind and spirit.

Nasarachi Onyeuku, MD

Radiation Oncologist with Wellstar since 2019.

Specialties
Radiation Oncology
Education
Doctor of Medicine
Patient Rating

Dr. Nasarachi Onyeuku received his bachelor of science degree in chemistry from Furman University in Greenville, South Carolina, where he graduated magna cum laude. He received his medical degree from the Wake Forest School of Medicine in Winston-Salem, North Carolina. He completed his residency internship while at Wake Forest Baptist Medical Center, and completed his physician residency in the Department of Radiation Oncology at the University of Maryland Medical Center in Baltimore, Maryland.

Dr. Onyeuku is currently in practice with Wellstar Radiation Oncology.

Mark McLaughlin, MD

Radiation Oncologist with Wellstar since 2003.

Specialties
Radiation Oncology
Education
Doctor of Medicine
Patient Rating

Dr. McLaughlin received his bachelor’s degree in computer science from Duke University and his medical degree from the Medical College of Georgia in Augusta. He completed his surgical internship at Shands Teaching Hospital, College of Medicine at University of Florida, where he also completed his residency in radiation oncology. Dr. McLaughlin also holds a master’s degree in healthcare administration from Central Michigan University.

Dr. McLaughlin is board-certified in radiation oncology. In his spare time, he enjoys sports, travel, gardening, boating, martial arts and reading.

Rakendu Shukla, MD

Radiation Oncologist with Wellstar since 2020.

Specialties
Radiation Oncology
Education
Doctor of Medicine
Patient Rating

Olusola Obayomi-Davies, MD

Radiation Oncologist with Wellstar since 2019.

Specialties
Radiation Oncology
Education
Doctor of Medicine
Patient Rating

Karen Xu, MD

Radiation Oncologist with Wellstar since 2022.

Specialties
Radiation Oncology
Education
Doctor of Medicine
Patient Rating

David Carpenter, MD

Radiation Oncologist with Wellstar since 2018.

Specialties
Radiation Oncology
Education
Doctor of Medicine
Patient Rating

William Thoms, MD

Radiation Oncologist with Wellstar since 1997.

Specialties
Radiation Oncology
Education
Doctor of Medicine
Patient Rating

Dr. Thoms received his bachelor’s degree in chemical engineering from Bucknell University in Lewisburg, Penn. and his medical degree from Temple University School of Medicine in Philadelphia. He completed his internship at Hahnemann University Hospital in Philadelphia, followed by his residency in Radiation Oncology at the University of Texas, M.D. Anderson Cancer Center in Houston.
Dr. Thoms is board certified in Radiation Oncology. He is a professional member of the American Society for Therapeutic Radiology and Oncology, American College of Radiology, American Society for Clinical Oncology and The Gilbert H. Fletcher Society.
 

Helpful Information for your next visit.

  • Appointments and Cancellations
  • Directions
  • Hospitalization
  • Insurance and Payments
  • Practice News
  • Prescription Refills
  • Printable Office Forms
  • Referrals
Appointments and Cancellations
For appointments, please call our main office line and our team will provide you with a warm greeting and further assistance. Please arrive at your appointment 30 minutes early in order to complete any necessary documentation. For cancellations, please notify the clinic at least 24 hours prior to the scheduled appointment date and time
Directions
Radiation Oncology is located on the ground floor of the 1800 Building on the campus of Wellstar Cobb Medical Center. Patients can park in the parking deck directly across from the entrance of the building.
Hospitalization
Physicians at this practice location have privileges at various Wellstar hospitals, depending on the physician, including Wellstar Cobb, Kennestone, North Fulton, Paulding and West Georgia medical centers.
Insurance and Payments
Wellstar works hard to create lasting relationships with medical insurance companies to ensure you’re receiving the best possible care. Please contact your insurance carrier via the member benefits number listed on the back of your insurance card. This is to ensure that you fully understand your coverage and financial responsibility. If your insurance plan requires a referral for office visits, a referral must be received prior to your visit. If you require hospitalization, we will file primary insurance claims for any physician services provided to you while at the hospital. Our participation in insurance plans is subject to change. Please notify us if you expect a change to your insurance or if your address or phone number changes.
Practice News

Awarded for maximum patient experience

Cobb’s Radiation Oncology Department has recently received an award from Wellstar Cobb Medical Center's administrative leadership team for achieving the Maximum Patient Experience Satisfaction scores for FY20.

Stereotactic radiotherapy coming soon!

In 2021, the Cobb Radiation Oncology practice will begin offering stereotactic radiosurgery and stereotactic radiosurgery body treatments to patients. This technology delivers very high precision dosages with flexible treatment options, including the capability to change the size and shape of beams to mimic the tumor shape and minimize exposure to surrounding healthy tissue.

Prescription Refills
To better serve your prescription needs, Wellstar Cobb Medical Center offers two pharmacies to serve patients and expedite treatment. One is located within Wellstar Cobb and the other pharmacy is located in the 1700 Building of the cancer center. We are happy to accommodate patients’ preferences for other pharmacies.
Printable Office Forms
Once you have scheduled your appointment, we will discuss and provide further information on the retrieval of your medical records, appointment details and directions.
Referrals
Referring providers can call our main office line to help patients get scheduled within three business days of the initial phone call.
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