Jefferson University Hospitals

Our Doctors

Medical Oncology

Rajan Singla, MD

Jefferson University Physician
Academic Title: Clinical Assistant Professor

Medical Oncology
Medical Oncology - Bladder Cancer
Medical Oncology - Melanoma/Skin Cancer
Medical Oncology - Liver Cancer
Medical Oncology - Lung Cancer
Medical Oncology - Pancreatic Cancer
Medical Oncology - Prostate Cancer
Medical Oncology - Head & Neck Cancer
Medical Oncology - Kidney Cancer
Medical Oncology - Testicular Cancer
Medical Oncology - Colorectal Cancer
Medical Oncology - Gastrointestinal (GI) Cancer
Medical Oncology - Stomach Cancer

Office Locations
925 Chestnut Street, Suite 420A, Philadelphia, PA

Surgery

Karen A. Chojnacki, MD, FACS

Jefferson University Physician
Academic Title: Associate Professor

Surgery
Surgery - General
Surgery - Hepato-Pancreatic-Biliary
Surgery - Minimally Invasive
Surgery - Gastrointestinal
Surgery - Oncology

Office Locations
1100 Walnut Street, 5th Floor, Philadelphia, PA

Michael R. Kammerer, MD

Jefferson University Physician
Academic Title: Assistant Professor

Surgery
Surgery - Bariatric
Surgery - Minimally Invasive
Surgery - General

Office Locations
211 S. 9th Street, Suite 402, Philadelphia, PA
811 Sunset Rd., Suite 104-105, Burlington, NJ

George J. Koenig, DO

Jefferson University Physician
Academic Title: Assistant Professor

Surgery
Surgery - Trauma (Acute Care)
Surgery - Minimally Invasive
Surgery - General

Office Locations
1100 Walnut Street, 5th Floor, Philadelphia, PA

Francesco Palazzo, MD, FACS

Jefferson University Physician
Academic Title: Associate Professor

Surgery
Surgery - General
Surgery - Minimally Invasive
Surgery - Alimentary Tract
Surgery - Gastrointestinal
Surgery - Oncology
Surgery - Bariatric

Office Locations
1300 Wolf Street, 1st Floor, Philadelphia, PA
1100 Walnut Street, 5th Floor, 1st Floor, Philadelphia, PA

Michael J. Pucci, MD, FACS

Jefferson University Physician
Academic Title: Assistant Professor

Surgery
Surgery - General
Surgery - Minimally Invasive
Surgery - Alimentary Tract
Surgery - Gastrointestinal
Surgery - Hepato-Pancreatic-Biliary
Surgery - Oncology

Office Locations
1100 Walnut Street, 5th Floor, Philadelphia, PA
1300 Wolf Street, 1st Floor, Philadelphia, PA

Ernest L. Rosato, MD, FACS

Jefferson University Physician
Academic Title: Professor

Surgery
Surgery - Hepato-Pancreatic-Biliary
Surgery - Oncology
Surgery - Alimentary Tract
Surgery - Minimally Invasive
Surgery - General

Office Locations
1100 Walnut Street, 5th Floor, Philadelphia, PA

Alliric I. Willis, MD, FACS

Jefferson University Physician
Academic Title: Associate Professor

Surgery
Surgery - Breast
Surgery - Melanoma/Skin Cancer
Surgery - Endocrine
Surgery - Thyroid/Parathyroid
Surgery - Oncology
Surgery - General

Office Locations
1100 Walnut Street, 5th Floor, Philadelphia, PA
1100 Walnut Street, 3rd Floor, Philadelphia, PA
1300 Wolf Street, 1st Floor, Philadelphia, PA