Dr. Long is a board-certified and fellowship-trained colorectal surgeon. He obtained his medical degree from Virginia Commonwealth University and completed his residency at the same institute. Dr. Long completed his fellowship in colon and rectal surgery at Swedish Colon and Rectal Clinic. He is certified by the American Board of Colon and Rectal Surgery and the American Board of Surgery. Dr. Long is rated as an Advanced provider by MediFind in the treatment of Anal Cancer. His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Crohn's Disease, Ileostomy, and Colostomy.

As director of colorectal surgery, Chris Buzas, DO, specializes in treating patients with colon, rectal and anal cancers as well as inflammatory bowel disease (including Crohn’s disease and ulcerative colitis). He also provides care for people with diverticulitis, various rectal conditions, hemorrhoids and pelvic floor disorders.|He has clinical expertise in complex re-operative colorectal surgeries as well as robotic, laparoscopic and open procedures. His advanced training includes trans-anal excisions, neurostimulation for fecal incontinence and colonoscopies.|Dr. Buzas is passionate about making a difference in his patients’ lives. “The thing I love most about my job is the ability to work alongside a great team dedicated to solving problems,” he says. “I enjoy seeing our patients out in the community, knowing we were able to help improve their quality of life.”|Dr. Buzas has a strong commitment to giving back to his community and improving access to care. He previously served as president of the Keystone Chapter of the American College of Surgeons as well as on the Board of Trustees for the Pennsylvania Medical Society. Dr. Buzas has also helped standardize rectal cancer care throughout the country as part of the National Accreditation Program for Rectal Cancer.|Dr. Buzas received the Teacher of the Year Award from the surgical residents at Geisinger Medical Center. He was also recognized by the Pennsylvania Medical Society as one of their Top Physicians Under 40.|When not at work, Dr. Buzas enjoys spending time with his wife and three children at their lakeside cabin in northern Pennsylvania.|Video: more from Dr. Christopher Buzas, D.O. Dr. Buzas is rated as an Advanced provider by MediFind in the treatment of Anal Cancer. His top areas of expertise are Familial Colorectal Cancer, Colorectal Cancer, Lynch Syndrome, Hernia Surgery, and Ileostomy.

Heath Mackley, MD, is a radiation oncologist. Dr. Mackley provides compassionate cancer care for children and adults, helping them manage their symptoms and understand their treatment options. Patients in his care receive radiation therapy.|Dr. Mackley is the chair for radiation oncology for Geisinger. He specializes in treating a variety of conditions, including sarcomas, lymphomas, pediatric cancers, breast cancer, skin cancer, prostate cancer, kidney or bladder cancer and gastrointestinal (GI) cancer.|Dr. Mackley has a clinical interest in stereotactic radiosurgery.|Board-certified in radiation oncology, Dr. Mackley earned his medical degree from the Perelman School of Medicine at the University of Pennsylvania, followed by a residency in radiation oncology at the Cleveland Clinic.|A husband and father of four, Dr. Mackley is active in the Boy Scouts of America and his local church. As a resident of central Pennsylvania, he is committed to serving his community by giving the best care he possibly can.|In 2007, Dr. Mackley received the Radiological Society of North America’s Resident/Fellow Research Award to recognize his superior research efforts as a resident.|He has published several papers and participated in many research projects. He is an advisory board member for the journal Applied Radiation Oncology and has served as a reviewer for 10 other journals.|Dr. Mackley is an active member of several professional organizations, including the American Society for Radiation Oncology, American College of Radiation Oncology, American Medical Association and American Society of Clinical Oncology. He is vice chair and a trustee of the Pennsylvania Medical Society and has served as president of the Dauphin County Medical Society. Dr. Mackley is an investigator in the cancer therapy evaluation group of the National Cancer Institute and the Children’s Oncology Group. He is a fellow of the American College of Radiation Oncology and a member of Penn State College of Medicine’s mentoring academy.|In his free time, Dr. Mackley enjoys spending time with his family, hiking and camping. When he’s not outside, he can be found rooting for the Baltimore Orioles, the Washington Football Team and the Penn State Nittany Lions.|Video: more from Dr. Heath Mackley, M.D. Dr. Mackley is rated as an Advanced provider by MediFind in the treatment of Anal Cancer. His top areas of expertise are Posterior Fossa Tumor, Familial Prostate Cancer, Embryonal Tumor with Multilayered Rosettes, and Anal Cancer.

Dr. Hoffman is a board-certified and fellowship-trained general surgeon. She attended the University of Pennsylvania School of Medicine, where she received her medical degree as well as completed her residency. Dr. Hoffman completed her fellowship at Washington University. She is certified by the American Board of Surgery. Dr. Hoffman is rated as an Experienced provider by MediFind in the treatment of Anal Cancer. Her top areas of expertise are Ogilvie Syndrome, Colorectal Cancer, Lynch Syndrome, Colostomy, and Ureteroscopy.

Dr. Ramdin is a board-certified and fellowship-trained cancer physician specializing in medical oncology and hematology. She attended the University of Medicine and Dentistry of New Jersey, Robert Wood Johnson Medical School, where she earned her medical degree. She completed her residency at Roger Williams Medical Center, and completed her fellowship in hematology/oncology at Rhode Island Hospital. Dr. Ramdin is certified by the American Board of Internal Medicine. Dr. Ramdin is rated as an Experienced provider by MediFind in the treatment of Anal Cancer. Her top areas of expertise are Lung Cancer, Pleuropulmonary Blastoma, Familial Pancreatic Cancer, and Adenoid Cystic Carcinoma.

Dr. Vadakara is a board-certified and fellowship-trained cancer physician specializing in bone marrow transplantation. Dr. Vadakara obtained his medical degree from Medical College Thiruvananthapuram. He completed his residency at Hahnemann University Hospital and his fellowship in hematology and oncology at Fox Chase Cancer Center. Dr. Vadakara is certified by the American Board of Internal Medicine in hematology and medical oncology. Dr. Vadakara is rated as an Experienced provider by MediFind in the treatment of Anal Cancer. His top areas of expertise are Thrombocytopenia, Essential Thrombocythemia, Hemangioma Thrombocytopenia Syndrome, Bone Marrow Aspiration, and Bone Marrow Transplant.

Dr. Christie is a board-certified cancer physician specializing in gynecologic oncology, breast cancer and gastrointestinal cancer. His clinical interests include gynecologic brachytherapy. His research interests include national clinical trials. Dr. Christie obtained his medical degree from the University of Texas Medical Branch, Galveston. He completed his residency at Allegheny General Hospital. Dr. Christie is certified by the American Board of Radiology in radiation oncology. Dr. Christie is rated as an Experienced provider by MediFind in the treatment of Anal Cancer. His top areas of expertise are Neuroendocrine Carcinoma of the Cervix, Cervical Cancer, Endometrial Cancer, and Angiosarcoma.

Prianka Ray is a Hematologist Oncology specialist and a Hematologist in Danville, Pennsylvania. Dr. Ray is rated as an Advanced provider by MediFind in the treatment of Anal Cancer. Her top areas of expertise are Acute Myeloblastic Leukemia without Maturation, Acute Myeloid Leukemia (AML), Lymphofollicular Hyperplasia, Bone Marrow Aspiration, and Bone Marrow Transplant.

Kenneth Krajewski is a Hematologist Oncology specialist and an Oncologist in Danville, Pennsylvania. Dr. Krajewski is rated as an Experienced provider by MediFind in the treatment of Anal Cancer. His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Paget Disease of the Breast, and Breast Cancer. Dr. Krajewski is currently accepting new patients.

Sanaz Soltani is a Hematologist Oncology specialist and a Hematologist in Danville, Pennsylvania. Dr. Soltani is rated as an Experienced provider by MediFind in the treatment of Anal Cancer. Her top areas of expertise are Breast Cancer, Paget Disease of the Breast, Angiosarcoma, and Colorectal Cancer. Dr. Soltani is currently accepting new patients.

Dr. Corona is a board-certified and fellowship-trained cancer physician specializing in hematology. She earned her medical degree from the Universidad Iberoamericana School of Medicine, Santo Domingo in the Dominican Republic. She then moved to the United States to complete her residency at Reading Hospital and Medical Center and her fellowship in hematology and oncology at Drexel University. Dr. Corona is certified by the American Board of Internal Medicine in hematology and medical oncology. She speaks English and Spanish. Dr. Corona is rated as an Experienced provider by MediFind in the treatment of Anal Cancer. Her top areas of expertise are Familial Colorectal Cancer, Lynch Syndrome, Colorectal Cancer, and Appendix Cancer.

Dr. Alite is a board-certified and fellowship-trained cancer physician specializing in the lung, prostate and pediatric malignancies. His clinical interests include stereotactic radiosurgery, stereotactic body radiotherapy, prostate and gynecologic brachytherapy. His research interests include clinical innovation, patient-reported outcomes and stereotactic radiotherapy. Dr. Alite attended Drexel University, where he earned his medical degree and completed his residency at Loyola University Health System. He is certified by the American Board of Radiology in radiation oncology. Dr. Alite is rated as an Experienced provider by MediFind in the treatment of Anal Cancer. His top areas of expertise are Lung Cancer, Pleuropulmonary Blastoma, Laryngeal Cancer, and Muscle Invasive Bladder Cancer.

Bradly Kramer, MD, is a radiation oncologist. He provides radiation therapy for adults with different cancers, including prostate, breast and lung. He performs permanent prostate brachytherapy and HDR interstitial brachytherapy to treat prostate, breast and gynecological cancers.|Dr. Kramer has a clinical interest in specialized targeted radiation therapy, palliative treatment and the treatment of thyroid cancer using iodine. A keen learner, he loves finding new paths to help his patients. “I’m always interested in finding new ways to improve patient outcomes, whether that’s through new treatments or combining different therapies. There is so much progress to be made in oncology and I’m excited to be a part of that process,” he says.|Dr. Kramer earned his medical degree from The Medical College of Wisconsin in Milwaukee. He completed radiation oncology residencies at Washington University Medical Center in St. Louis and Tufts University School of Medicine in Boston.|He notes a lifelong interest in science as well as his own childhood medical conditions for leading him to a career in medicine. But it was his uncle’s death from leukemia that led him to the field of oncology. “His death left an indelible mark and showed me the toll cancer can take on people and their loved ones,” he says.|Dr. Kramer is an accomplished medical researcher. He’s published numerous abstracts, manuscripts and book chapters. This two-time winner of the Cancer Liaison Physician Award from the American College of Surgeons also presents at meetings and conferences across the country.|He’s an active member of a number of professional organizations, including The American Society for Therapeutic Radiology and Oncology, American College of Radiation Oncology, Oregon Radiation Oncology Society, Klamath County Medical Society and Wisconsin Society of Radiation Oncology.|Improving his patients’ quality of life is what inspires Dr. Kramer to come to work each day. “I treasure the interaction with my patients and get great satisfaction out of treating them with radiation that gives minimal side effects. I feel privileged to be a radiation oncology physician and have the opportunity to touch so many lives,” he says. He’s also proud of having run his own practice shortly after residency, as well as the time he spent as director of the Cancer Treatment Centers of America in Chicago. Dr. Kramer was the first oncologist in southern Oregon to offer stereotactic body radiation therapy (SBRT).|A love of the outdoors and small town life led this Wisconsin native to Geisinger. “Danville was a perfect fit for me and my family, given the beauty and recreational opportunities,” he says.|In his spare time, Dr. Kramer enjoys spending time with his wife Susan and son Alexander. As a family, they hike, mountain bike, ski, snowboard and travel. He also enjoys playing tennis, foosball, darts and basketball, lifting weights and showcasing his creative side through woodworking and carving. Dr. Kramer is rated as an Experienced provider by MediFind in the treatment of Anal Cancer. His top areas of expertise are Head and Neck Squamous Cell Carcinoma (HNSCC), Breast Cancer, Familial Prostate Cancer, and Prostate Cancer.

Dr. O’Brien is a board-certified and fellowship-trained cancer physician. His clinical interests include lung cancer, lymphoma, general hematology, and gastrointestinal malignancies, especially colon cancer. Dr. O'Brien attended Georgetown University, where he received his medical degree, and completed his residency at Hahnemann University Hospital. He completed a fellowship in medical oncology at Milton S. Hershey Medical Center. Dr. O'Brien is certified by the American Board of Internal Medicine in internal medicine and medical oncology. Dr. O'brien is rated as an Experienced provider by MediFind in the treatment of Anal Cancer. His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Thrombocytopenia, and Chronic Lymphocytic Leukemia (CLL).