Ernest U. 'Chappie' Conrad III, M.D.


Ernest U. "Chappie" Conrad, MD

Specialty: Oncology Service

College: B.S., Washington and Lee University, Lexington, VA, 1973

Medical School: M.D., University of Virginia School of Medicine, Charlottesville, VA, 1979

Internship: Roosevelt Hospital, New York, NY, 1979-1981

Residency: The Hospital for Special Surgery, Sloan-Kettering Memorial Hospital, Cornell Medical Center, New York, NY, 1981-1984

Fellowship: Orthopedic Oncology, William F. Enneking, M.D., University of Florida, Gainesville, FL, 1984-1985; Pediatric Orthopedics, Mercer Rang, M.D., The Hospital for Sick Children, Hugh McMillan Medical Center, Toronto, Canada, 1985-1986

Board Certification: Board Certified

UW Medicine Bio:

Click here to see patient recommendations for Dr. Conrad.


  • 2016 Top Doctors, Seattle Magazine, Februrary 2016
  • Chairman of Pediatric Orthopedics, Seattle Children's Hospital
  • Director of Sarcoma Service, UWMC
  • Director of Pediatric Bone Tumor Clinic, CHRMC
  • Medical Director, Northwest Tissue Center
  • Resident's Research Award, New York Orthopedic Society


  • American Academy of Orthopedic Surgeons
  • American Association for the Advancement of Science
  • American Association of Tissue Banks
  • American College of Surgeons
  • American Medical Association
  • American Orthopedic Association
  • American Society of Clinical Oncology
  • Children's Hospital Medical Staff Association
  • Children's Oncology Group
  • Connective Tissue Oncology Society
  • Hospital for Sick Children-Old Fellows
  • Hospital for Special Surgery Alumni Association
  • International Society of Limb Salvage
  • King County Medical Society
  • Musculoskeletal Tumor Society of North America
  • National Board of Medical Examiners
  • National Tuberous Sclerosis Association
  • NIH Consultant, Alcohol, Drug Abuse, & Mental Health Administration
  • Northwest Organ Procurement Association
  • Orthopedic Research Society
  • Paget's Disease Foundation     
  • Puget Sound Oncology Consortium
  • Southwest Oncology Group
  • The Salter Society-Hospital for Sick Children
  • University of Washington Medical Staff
  • Washington State Medical Oncology Society
  • Washington State Orthopedic Association
  • Western Orthopedic Association
  • Western Tissue Bank Association

AAOS Disclosures

Submitted on: 10/08/2014
LifeNet Health Northwest Tissue Division,Medical Director: Other financial or material support
Stryker consultant: Unpaid consultant

Surgeries & Diagnosis


  • Amputation
  • Biopsy, excisional
  • Biopsy, incisional
  • Biopsy, needle
  • Biopsy, open
  • Biopsy, trephine
  • Bone grafting, allogeneic graft
  • Bone grafting, autogenous graft
  • Curettage (bony), with or without cryotherapy and with or without cementation or grafting
  • Excision of mass
  • Limb-salvaging resection (bony), with allograft bone reconstruction
  • Limb-salvaging resection (bony), with metallic implant reconstruction
  • Multidisciplinary sarcoma treatment (chemotherapy, surgery, radiation therapy)
  • Resection of soft-tissue masses


  • Adamantinoma
  • Aneurysmal bone cyst
  • Angiosarcoma
  • Chondroblastoma
  • Chondroma, periosteal
  • Chondromyxoid fibroma
  • Chondrosarcoma
  • Chordoma
  • Dermatofibrosarcoma protuberans
  • Desmoid tumor, periosteal
  • Desmoplastic fibroma
  • Enchondroma
  • Eosinophilic granuloma
  • Epiphysealis hemimelia
  • Epithelioid hemangioendothelioma
  • Epithelioid sarcomaEwing's sarcoma
  • Exostosis
  • Fibroma
  • Fibromatosis
  • Fibrous dysplasia
  • Giant-cell tumor
  • Hemangioma
  • Hemangioma of bone
  • Hemangiopericytoma
  • Histiocytosis X
  • Intraosseous ganglion cyst
  • Leiomyosarcoma
  • Lipoma
  • Lipoma, atypical
  • Liposarcoma
  • Liposarcoma
  • Lymphoma
  • Malignant fibrous histiocytosis (MFH), or Sarcoma not otherwise specified (NOS)
  • Malignant peripheral nerve sheath tumor
  • Marfan's syndrome
  • Melorheostosis
  • Multiple myeloma (plasmacytoma)
  • Myositis ossificans
  • Myxoma
  • Neuroblastoma, metastatic
  • Neurofibroma
  • Neurofibromatosis
  • Neurosarcoma
  • Non-ossifying fibroma
  • Osteoblastoma
  • Osteochondroma
  • Osteofibrous dysplasia
  • Osteogenesis imperfecta
  • Osteoid osteoma
  • Osteomyelitis
  • Osteopoikilosis (multiple enostosis)
  • Osteosarcoma
  • Paget's disease
  • Pigmented vilonodular synovitis (PVNS)
  • Primitive neuroectodermal tumor (PNET/Ewing's)
  • Rhabdomyosarcoma
  • Rhabdomyosarcoma, alveolar
  • Rhabdomyosarcoma, pleomorphic
  • Sarcoma of soft parts
  • Synovial chondromatosis
  • Synovial sarcoma
  • Trevor's disease (dysplasia epiphysealis hemimelica)
  • Unicameral bone cyst
  • Von Recklinghausen's disease (neurofibromatosis)


  • Scientific Publications (PubMed Listing)
  • Dr. Conrad has been listed as Top Doctors in the category of Pediatric Orthopaedics. (News source: Seattle Magazine, 2008)
  • Dr. Conrad has been listed as Top Doctors in the category of Pediatric Orthopaedics. News source:  Seattle Magazine, September 2007.
  • Dr. Conrad was featured in the Summer 2003 Breakthrough article, Sparing limbs and saving lives after sarcoma
  • Life and Limb: Improving Bone Tumor Treatment
  • The Sarcoma Service
  • Something to Smile About


Oncology Research Lab:

  • Sarcobase Tumor Registry provides long-term follow-up and education for sarcoma patients.
  • Positron Emission Tomography (PET) scanning as a predictor of tumor grade and response to therapy.
  • Limb-salvage surgery
  • Assessing the rate and success of healing allograft reconstructions
  • The use of oncologic metallic implants in reconstruction surgery