Meet Our Practitioners

Srihari Peri, MD, Medical Oncologist, Medical Director of the Tunnell Cancer Center
Dr. Peri is Board Certified in Hematology, Medical Oncology, and Internal Medicine. He is currently Chief of Medical Staff of Beebe Medical Center. Graduate: M.B.B.S., Jahawarlal Nehru Medical College, Karnatak University, India; Residency: Internal Medicine, Kingsbrook Jewish Medical Center, Brooklyn, N.Y. Internship: Civil Hospital, Belgaum, India; Fellowship: Hematology and Oncology, Robert Wood Johnson Medical School, New Brunswick, N.J.; Academic distinction: Bone Marrow Transplant Fellow, Robert Wood Johnson Medical School.

Aasim S. Sehbai, MD, Hematologist and
Medical Oncologist
Dr. Aasim, Board Certified in Internal Medicine and Medical Oncology, has a special interest in breast cancer and hematological disorders and malignancies. Dr. Sehbai has authored several publications on breast cancer research projects. Graduate: Rawalpindi Medical College, Rawalpindi, Pakistan; Internship: Catholic Medical Center of Brooklyn and Queens, Jamaica, N.Y.; Residency and Fellowship: Hematology/Oncology, West Virginia University Hospital, Morgantown, W.V.

Brian Costleigh, MD, Radiation Oncologist
Dr. Costleigh, Director of Radiation Oncology at Tunnell Cancer Center, is Board Certified in Radiology-Radiation Oncology. Graduate: Hahnemann University School of Medicine, Philadelphia, Pa.; Internship: Saint Vincent's Hospital, New York City; Residency: Hahnemann University Department of Radiation Oncology, Philadelphia, Pa.

Isabel Benson, NP-C, OCN, Oncology Nurse Practitioner
Ms. Benson, Board Certified as a Nurse Practitioner, sees medical oncology patients at Tunnell Cancer Center. Oncology Nursing Certification: Master's Degree in Nursing: Thomas Jefferson University, Philadelphia, Pa.; Nurse Practitioner Education: Thomas Jefferson University, Philadelphia, Pa.