Northwest Georgia Oncology Centers Wellstar
Suite 100
Marietta, GA 30060
Access to state-of-the-art treatments and technology for your unique cancer diagnosis or blood disorder.
Trust our multidisciplinary team of cancer specialists to create the most effective care plan for you.
Get a second opinion and peace of mind so you can feel confident about your cancer treatment.
Find new clinical trials, biomarker testing and targeted therapies without ever having to leave Georgia.
![A friendly photo of Dean Kirkel, MD](/-/media/project/wellstar/org/physician/dean-mark-kirkel.jpg?rev=7688659d89d44c699e17a57f554dc2f3)
![A friendly photo of Carmen Klass, MD](/-/media/project/wellstar/org/physician/carmen-manuela-klass.jpg?rev=e580a9e4bf434c7bb4993ecd25601296)
![A friendly photo of Carlos Osmon, MD](/-/media/project/wellstar/org/physician/carlos-alberto-osmon.jpg?rev=edeb621b0a7348c481a6964a71e3b71f)
![A friendly headshot of Hilary Ann Hahm, MD](/-/media/project/wellstar/org/physician/hilary-ann-hahm.jpg?rev=b697bd09f98f4cdcb88fa83e9555cc9e)
![A friendly photo of Madhurima Uppalapati, MD](/-/media/project/wellstar/org/physician/madhurima-uppalapati.jpg?rev=e6bf2d9b724b4e20bb1a929fcfafdd9e)
![A friendly photo of Steven McCune, MD](/-/media/project/wellstar/org/physician/steven-leland-mccune.png?rev=c5215bda26e042dca33f2703e961d270)
![A friendly headshot of Raul Oyola, MD](/-/media/project/wellstar/org/physician/raul-humberto-oyola.jpg?rev=77cee2afd38b47da9d0a08bc0bff8474)
![A friendly image of Dr. Michael Andrews](/-/media/project/wellstar/org/physician/michael-andrews.jpg?rev=27191aa8ce2b46f09ddc2e37ef5755e3)
![A friendly headshot of Bruce Gould, MD](/-/media/project/wellstar/org/physician/bruce-jonathan-gould.jpg?rev=76ab3261c1444c28bfbba0c40bf51f80)
![A friendly photo of John French, MD](/-/media/project/wellstar/org/physician/john-thomas-french.png?rev=59230bdd4b644acab0b0ad2d62d0412e)
![A friendly headshot of Don Warren Shaffer, MD](/-/media/project/wellstar/org/physician/don-warren-shaffer-ii.png?rev=81be97e40b1440a98ab0ba88dc452287)
Meet our Team
- Appointments and Cancellations
- Hospitalization
- Insurance and Payments
- Prescription Refills
- Printable Office Forms
- Referrals
Thank you for choosing Northwest Georgia Oncology Centers for patient-centered care for cancer and blood disorders. We'll do our best to accommodate your schedule and get your first appointment scheduled quickly.
To make an appointment, get a second opinion or you are a physician’s office referring a new patient, please call our referral line at (678) 331-3277. If you were referred to us by another physician, your first appointment may already be scheduled at a location nearest you.
If a patient is hospitalized, our physicians at this practice have privileges at Wellstar Kennestone Hospital.