Leslie E. Botnick, M.D.
From our very first meeting, Dr. Botnick put my mind at ease while discussing my treatment.” - Patient
In practice for some 40 years, Leslie Botnick, M.D., has made a difference in countless lives. He helped bring about the significant advance of treating many breast cancer patients with lumpectomy plus radiation. Dr. Botnick is also recognized as a leader in stem cell research and late effects of chemotherapy on bone marrow.
From his early days at New York Medical College, through his subsequent training at Harvard and distinguished career at premier institutions in Boston and Southern California, Dr. Botnick has remained at the top of his profession and at the leading edge of advancements in radiation oncology.
Consistently rated one of the “Best Doctors in America,” Dr. Botnick's greatest achievement may well be his ability to connect with his patients and communicate vital information in understandable terms.
1972, M.D., New York Medical College, Valhalla, NY
1968, B.A., Brooklyn College, Brooklyn, NY
1976-1977, Clinical Fellow, Radiation Oncology, Joint Center for Radiation Therapy, Boston, MA
1975-1976, Research Fellow, Radiation Oncology, Joint Center for Radiation Therapy, Boston, MA
1973-1975, Clinical Fellow, Radiation Oncology, Harvard Medical School, Boston, MA
1975-1976, Chief Resident, Radiation Oncology, Joint Center for Radiation Oncology, Boston, MA
1973-1975, Resident, Radiation Oncology, Joint Center for Radiation Oncology, Boston, MA
1972-1973, Medical Intern, Metropolitan Hospital, New York, NY
2018-present, Senior Medical Director, Radiation Community and Assistant Clinical Professor, Department of Radiation Oncology, City of Hope, Duarte, CA
2006-2020, Radiation Oncologist, The Center for Radiation Therapy of Beverly Hills, Beverly Hills, CA
2002-2018, Co-founder and Chief Medical Officer, Vantage Oncology Inc., Manhattan Beach, CA
1995-1999, Co-founder, SalicNet Managed Care Program
1993-1999, Corporate Director, Radiation Oncology, Salick Health Care, Los Angeles, CA
1983-2018, Founder and Chief Executive Officer, Valley Radiotherapy Associates Medical Group Inc., Manhattan Beach, CA
1983-1997, Director, Radiation Oncology, Providence St. Joseph Medical Center, Burbank, CA
1979-1983, Director, Radiation Oncology, Beth Israel Hospital, Boston, MA
1996-present "Best Doctors in America"
American College of Radiology
American Society of Therapeutic Radiology and Oncology
New England Society for Radiation Oncology
Cell Kinetics Society
Radiation Research Society
American Society of Clinical Oncology
American Association for Cancer Research
Los Angeles County Medical Association
California Radiology Society
California Medical Association
Los Angeles Radiological Society
Southern California Academy of Clinical Oncology
Society for the Study of Breast Disease
Tao ML abc, Mautner BD b, Ray HE bd, Huson HB e, Sanghani MV ac, Llamas ML c, Botnick LE ab. Long-term community-based results of breast-conserving therapy in early-stage breast cancer. The Journal of Community and Supportive Oncology. JCSO 2016;14:249-254 (June 2016).
Hellman S, Botnick LE, Mauch P. Stem-Cell Biology and Cancer Therapy: The More Things Change...J. Clin. Oncol. 26:6, 821-822, 2008.
Turner RR, Chu KU, Qi K, Botnick LE, Hansen NM, Glass EC, Giuliano AE. Pathologic features associated with nonsentinel lymph node metastases in patients with metastatic breast carcinoma in a sentinel lymph node. Cancer 2000 August 1; 89(3):574-81.
Rosen E, Goldberg I, Rose CM, Come S, Goldstein M, Simon L, Botnick LE. Sequential multiagent chemotherapy and whole abdominal irradiation for Stage III ovarian carcinoma. Radiotherapy and Oncology 1986.
Silverman D, Edbril S, Gartrell N, Wise S, Liao-Rosenblatt E, Huntley B, Botnick LE. A pilot study of women's attitudes toward breast conserving surgery with primary radiation therapy for breast cancer. Intl. J. Psychiatry in Medicine, 4:15, 281-391, 1985.
Recht A, Danoff B, Solin L, Schnitt S, Connolly J, Botnick LE, Goldberg I, Goodman R, Harris J. Intraductal carcinoma of the breast: Results of treatment with excisional biopsy and irradiation. J. Clin. Oncol. 3:10, 1339-13, 1985.
Botnick LE, Hoppe RT, Kim J, Travis EL, Strober S, Bloomer WD. Radiation therapy for immunosuppression and marrow or organ transplantation. Cancer Treatment Symposia 1:161-168, 1984.
Beadle GF, Harris JR, Silver B, Botnick LE, Hellman S. Cosmetic results following primary radiation therapy for early breast cancer. Cancer, 54:2911-2918, 1984.
Botnick LE, Rose CM, Goldberg I, Recht A. The role of radiation therapy in the treatment of laryngeal cancer. Otolaryngologic Clinics of No. America, 17:227-235, 1984.
Mauch P, Weinstein H, Botnick LE, Belli J, Cassady JR. An evaluation of long-term survival and treatment complication in children with Hodgkin's disease. Cancer 51:925-932, 1983.
Greenberger JS, Hoffman N, Leiberman M, Botnick LE, Sakakeeny MA, Eckner RJ. Pool size of pluripotential hematopoietic stem cell increased in continuous bone marrow culture by Friend spleen focus-forming virus. J. Natl. Cancer Inst.70:323-331, 1983.
Hellman S, Reincke U, Botnick LE, Mauch P. Functional organization of hematopoietic stem cell compartment; implications for cancer and its therapy. J. Clin. Oncol.1:277-284, 1983.