Dr. Timothy Kennedy

Doctor Overview

Dr. Timothy Kennedy specializes in performing minimally invasive surgeries to diagnose and treat cancers, including mesothelioma. Surgeons like Dr. Kennedy may perform minimally invasive procedures, like thoracoscopies, to help diagnose this rare cancer.

Dr. Kennedy holds several prestigious positions in the Washington, D.C., medical community. At MedStar Health, he is the system chief of surgical oncology. He also serves as the John S. Dillon chair of surgical oncology at Georgetown University and surgeon in chief at Georgetown Lombardi Comprehensive Cancer Center.

Dr. Kennedy has also been involved in clinical trials to advance knowledge about cancer and how to treat it. A special area of interest for him is discovering novel treatments to improve patients’ quality of life.

Doctor Fast Facts

Main Specialty: Surgical Oncology

Other Interests & Specialties: Abdominal paracentesis, cancer nutrition counseling, cancer risk assessment, cardiac lung transplant, clinical trials, ileostomy, immunotherapy, lobectomy, lung cancer screening, mesothelioma, neoadjuvant therapy, ovarian cancer, pleural cancer, pleurectomy and thoracoscopy.

Certifications, Awards & Accolades: American College of Surgeons, American Society of Clinical Oncology, Americas Hepato-Pancreato-Biliary Association, International Gastric Cancer Congress, Society of Surgical Oncology

Education & Experience:

• Medical Degree from Georgetown University
• Residency in Surgery at McGaw Medical Center of Northwestern University
• Fellowships at Memorial Sloan-Kettering Cancer Center and Legacy Good Samaritan Medical Center

Publications

Executive Summary of the American Radium Society Appropriate Use Criteria for the Management of Peritoneal Carcinomatosis From Different Tumor Origins: Systematic Review and Guidelines. Cancer Med. 2025 Jul;14(14):e71043.

Consensus guideline for the management of gastric cancer with synchronous peritoneal metastases. Cancer. 2025 Jul 1;131(13):e35870.