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 Advanced provider by MediFind in the treatment of Hodgkin Lymphoma. His top areas of expertise are Thrombocytopenia, Essential Thrombocythemia, Hemangioma Thrombocytopenia Syndrome, Bone Marrow Aspiration, and Bone Marrow Transplant.

Dr. Lynch is a board-eligible and fellowship-trained cancer physician specializing in medical oncology. He attended Georgetown University School of Medicine, where he earned his medical degree. He completed his residency at Cleveland Clinic Foundation, and his fellowship in medical oncology at Allegheny General Hospital. Dr. Lynch is rated as an Advanced provider by MediFind in the treatment of Hodgkin Lymphoma. His top areas of expertise are Acute Myeloblastic Leukemia without Maturation, Acute Myeloid Leukemia (AML), Multiple Myeloma, Bone Marrow Aspiration, and Bone Marrow Transplant.

Jennifer Collins is a Hematologist in Danville, Pennsylvania. Dr. Collins is rated as an Experienced provider by MediFind in the treatment of Hodgkin Lymphoma. Her top areas of expertise are Classical Hodgkin Lymphoma and Hodgkin Lymphoma. Dr. Collins is currently accepting new patients.

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 Experienced provider by MediFind in the treatment of Hodgkin Lymphoma. His top areas of expertise are Posterior Fossa Tumor, Familial Prostate Cancer, Embryonal Tumor with Multilayered Rosettes, and Anal Cancer.

Prianka Ray is a Hematologist Oncology specialist and a Hematologist in Danville, Pennsylvania. Dr. Ray is rated as an Experienced provider by MediFind in the treatment of Hodgkin Lymphoma. 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 Hodgkin Lymphoma. 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.

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 Hodgkin Lymphoma. His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Thrombocytopenia, and Chronic Lymphocytic Leukemia (CLL).

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 Hodgkin Lymphoma. His top areas of expertise are Head and Neck Squamous Cell Carcinoma (HNSCC), Breast Cancer, Familial Prostate Cancer, and Prostate Cancer.

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 Hodgkin Lymphoma. Her top areas of expertise are Familial Colorectal Cancer, Lynch Syndrome, Colorectal Cancer, and Appendix Cancer.

Ahmad Wardeh is a primary care provider, practicing in Internal Medicine in Coal Township, Pennsylvania. Dr. Wardeh is rated as an Experienced provider by MediFind in the treatment of Hodgkin Lymphoma. His top areas of expertise are Esophagitis, Type 2 Diabetes (T2D), Peripheral Artery Disease, Endoscopy, and Colonoscopy.