Evan S. K. Ong, MD, MS, FACS

Accepting New Patients
Offers Video Visits
1221 Madison Street, Arnold Pavilion, Suite 1411
Seattle, WA 98104
2298.0 miles away
Medical Groups & Affiliations
Swedish
Speaks: English and Spanish
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Swedish Surgical Specialists First Hill

1221 Madison Street, Arnold Pavilion, Suite 1411, Seattle, WA 98104

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About Evan S. K. Ong

Dr. Evan Ong most recently received the 2023 Cancer Surgery Top Doc designation and has received the Seattle Top Doc award for multiple consecutive years. Dr. Ong's clinical practice focuses on the treatment of all gastrointestinal cancers with particular interest in treatment options for pancreatico-biliary cancers as well as regional and metastatic disease. He offers state-of-the-art treatment including minimally invasive and robotic surgery for hepatic and pancreatic tumors, microwave and bipolar radiofrequency ablation, irreversible electroporation (Nano-knife) as well as Hyperthermic Intraperitoneal Chemoperfusion (HIPEC), a treatment option for cancers that have disseminated to the peritoneal cavity. Dr. Ong's philosophy of care is "Qui Audet...Cura" - "Who Dares...Cures."

Fellowship

Roswell Park Cancer Institute - Surgical Oncology

Residency

University Of Ilinois at Chicago Medical Center

Medical School

Albert Einstein College Of Medicine

Board Certifications
  • American Board of Surgery, Surgery
  • American Board of Internal Medicine, Hospice and Palliative Medicine
Swedish Surgical Specialists First Hill
1221 Madison Street, Suite 1411
Seattle, WA 98104

Medical Groups & Affiliations
Swedish

Affiliated Locations
Swedish Issaquah
Swedish Cherry Hill
Swedish First Hill

Clinical Interests

  • Abdominal Abscess
  • Abdominal Adhesions
  • Abdominal Cancer
  • Abdominal Mass
  • Abdominal Pain
  • Abdominal Surgery
  • Abrasion
  • Acute Pancreatitis
  • Adrenal Neoplasm
  • Adrenalectomy
  • Alcoholic Cirrhosis
  • Anastomosis Of Pancreatic Duct
  • Anorectal Cancer
  • Appendectomy
  • Appendiceal Abscess
  • Appendiceal Cancer
  • Appendicitis
  • Arteriovenous Fistula
  • Axillary Abscess
  • Axillary Cyst
  • Barrx
  • Benign Breast Lump
  • Benign Neoplasm Of Skin
  • Bile Duct Occlusion
  • Bile Duct Repair
  • Bile Duct Stone
  • Biliary Atresia
  • Biliary Cirrhosis
  • Biliary Colic
  • Biliary Duct Fistula
  • Biliary Duct Fistula Repair
  • Biliary Dyskinesia
  • Biliary Tract Cancer
  • Biliary Tract Disease
  • Biliary Tract Surgery
  • Breast Abscess
  • Breast Biopsy
  • Breast Cancer
  • Breast Cancer Genetics
  • Breast Cancer Surgery
  • Breast Cyst
  • Breast Lump
  • Budd Chiari Syndrome
  • Cancer
  • Cancer Risk Reduction Surgery
  • Cancer Surgery
  • Carbuncle
  • Carcinoid Of Stomach
  • Carcinoid Tumor Of Pancreas
  • Carcinoma In Situ Of Breast
  • Central Compartment Neck Dissection
  • Cholangiocarcinoma
  • Cholangitis
  • Cholecystectomy
  • Cholecystenterostomy
  • Cholecystitis
  • Cholecystogastrostomy
  • Cholecystostomy
  • Choledochoenterostomy
  • Choledochoplasty
  • Cholelithiasis
  • Cholestasis
  • Cholesterolosis Of Gallbladder
  • Chronic Pancreatitis
  • Colon Cancer
  • Colorectal Cancer
  • Common Duct Exploration
  • Congenital Anomalies Of The Pancreas
  • Congenital Cystic Liver
  • Contusion Abdominal Wall
  • Cryoablation
  • Cystadenoma Of Pancreas
  • Cystic Fibrosis Related Gastro Intestinal Complications
  • Cytoreduction Surgery
  • Deep Thrombophlebitis
  • Desmoid Tumors
  • Destruction Of Liver Lesions
  • Diaphragmatic Disorders
  • Diaphragmatic Hernia
  • Diastasis
  • Dilation Of Sphincter Of Oddi
  • Diverticulitis
  • Diverticulosis
  • Ductal Carcinoma In Situ (Dcis)
  • Duodenal Fistula
  • Duodenal Ulcer Surgery
  • Ear Melanoma
  • Echinococcus Infections
  • Ectopic Calcification Xyphoid
  • Encysted Hydrocele
  • Endocrine Surgery
  • Endoscopic Division Of Adhesions Of Peritoneum
  • Endoscopy
  • Enterovaginal Fistula
  • Epidermoid Cysts
  • Epigastric Hernia
  • Excision Mole
  • Excision Of Ampulla Of Vater
  • Excision Of Choledochal Cyst
  • Excision Of Pancreatic Lesions
  • Excision Of Skin Lesions
  • Exploratory Laparotomy
  • Extracorporeal Circulation For Hepatic Assistance
  • Face Stitch Removal
  • Fasciitis
  • Feeding Tube Placement
  • Femoral Hernia
  • Fibrocystic Liver
  • Fine Needle Aspiration Of Thyroid
  • Fistula Enterocutaneous
  • Foreign Body (Foot)
  • Foreign Body (Trunk)
  • Frostbite
  • Frostbite Of Ear
  • Frostbite Of Face
  • Frostbite Of Finger
  • Frostbite Of Nose
  • Frostbite Of Toes
  • Fundoplication
  • Gallbladder Cancer
  • Gallbladder Disease
  • Gallbladder Fistula
  • Gallbladder Obstruction
  • Gallbladder Polyp
  • Ganglion Cyst
  • Gangrene
  • Gastrectomy
  • Gastric Anomaly
  • Gastric Lymphoma
  • Gastric Restrictive Surgery
  • Gastric Ulcer Surgery
  • Gastric Volvulus
  • Gastrin Secreting Tumor Of Pancreas
  • Gastroduodenal Fistula
  • Gastroesophageal Junction Cancer
  • Gastrointestinal (Gi) Cancer
  • Gastrointestinal Stromal Tumors (Gist)
  • Gastrojejunostomy
  • Gastroplasty
  • Glucagonoma
  • Goiter
  • Groin Mass
  • Groin Pain
  • Hamartoma
  • Head Abscess
  • Head Cyst
  • Head Papilloma
  • Hemorrhoids
  • Hepatic Cyst
  • Hepatic Infarction
  • Hepatobiliary Surgery
  • Hepatoblastoma
  • Hepatorenal Syndrome
  • Her2 Positive Breast Cancer
  • Hereditary Colon Cancer
  • Hereditary Hemorrhagic Telangiectasia
  • Hernia
  • Hernia Repair
  • Heterotopic Liver Transplant
  • Hiatal Hernia Repair
  • Hickman Catheter
  • Hidradenitis Suppurativa
  • Hydrops Of Gallbladder
  • Hyperhidrosis Surgery
  • Ileostomy
  • Incarcerated Hernia
  • Incision And Drainage Of Deep Pelvirectal Abscess
  • Incision And Drainage Of Perianal Abscess
  • Incision Drainage Abscess
  • Incisional Hernia
  • Inclusion Cyst
  • Inflammatory Breast Cancer
  • Inguinal Hernia
  • Insulinoma
  • Internal Drainage Of Pancreatic Cyst
  • Internal Hernia
  • Interstitial Emphysema
  • Intestinal Artery Disease
  • Intestinal Infarction
  • Intestinal Obstruction
  • Intra Abdominal Cancer
  • Intraabdominal Cyst
  • Intraarterial Chemotherapy Of Tumors
  • Intraductal Papillary Mucinous Neoplasm
  • Intussusception
  • Islet Cell Transplant
  • Islet Cell Tumor
  • Islet Cell Tumor Resection
  • Keratin Cyst
  • Laceration
  • Laparoscopic Abdominoperineal Resection Of The Rectum
  • Laparoscopic Ablation Of Liver Lesions Or Tissue
  • Laparoscopic Adhesiolysis
  • Laparoscopic Adrenalectomy
  • Laparoscopic Appendectomy
  • Laparoscopic Bile Duct Exploration
  • Laparoscopic Biopsy Of Liver
  • Laparoscopic Bowel Resection
  • Laparoscopic Cecectomy
  • Laparoscopic Cholecystectomy
  • Laparoscopic Colectomy
  • Laparoscopic Fundoplication
  • Laparoscopic Gastroenterostomy
  • Laparoscopic Hernia Repair
  • Laparoscopic Jejunostomy
  • Laparoscopic Liver Resection
  • Laparoscopic Lysis Of Peritoneal Adhesions
  • Laparoscopic Resection Head Of Pancreas
  • Laparoscopic Revision Of Gastric Restrictive Procedure
  • Laparoscopic Sigmoidectomy
  • Laparoscopic Splenectomy
  • Laparoscopic Umbilical Herniorrhaphy
  • Laparoscopic Whipple Procedure
  • Laparoscopy
  • Leg Wound
  • Leiomyosarcoma
  • Linx
  • Lipomas
  • Liposarcoma
  • Liver Abscess
  • Liver Biopsy
  • Liver Cancer
  • Liver Hemangioma
  • Liver Laceration
  • Liver Mass
  • Liver Surgery
  • Liver Transplant
  • Liver Trauma
  • Lobular Carcinoma In Situ (Lcis)
  • Localized Perfusion Of Liver
  • Lymph Node Biopsy
  • Lymph Node Dissection
  • Lymphadenopathy
  • Lymphangioma
  • Lysis Of Adhesions
  • Malignant Carcinoid Tumor Of Colon
  • Malignant Melanoma
  • Malignant Neoplasm Of Liver
  • Malignant Neoplasm Of Pancreatic Duct
  • Malignant Tumor Of Extrahepatic Bile Duct
  • Malrotation Of Bowel
  • Mass On Trunk
  • Mastectomy
  • Mechanical Complication Of Gastrostomy
  • Meckel Diverticulum
  • Mediports
  • Melanoma
  • Melanoma On Face
  • Melanoma Surgery
  • Merkel Cell Carcinoma
  • Mesenteric Cyst
  • Mesenteric Mass
  • Mesh Removal
  • Metastatic Colon Cancer
  • Metastatic Liver Cancer
  • Metastatic Melanoma
  • Minimally Invasive Gastric Tumor Surgery
  • Minimally Invasive Lymph Node Dissection
  • Minimally Invasive Surgery
  • Mole Removal
  • Muscle Biopsy
  • Myxofibrosarcoma
  • Natural Orifice Transluminal Endoscopic Surgery
  • Neck Papilloma
  • Necrotizing Fasciitis
  • Necrotizing Soft Tissue Infections
  • Needle Biopsy Of Pancreas
  • Neuroendocrine Tumors
  • Nevus
  • Nipple Diseases
  • Non Healing Wound
  • Non Traumatic Hematoma Of Soft Tissue
  • Open Biopsy Of Liver
  • Open Biopsy Of Pancreas
  • Open Wound Of Finger
  • Open Wound Of Forearm
  • Open Wound Of Neck
  • Open Wound Of Scalp
  • Open Wound Of Shoulder
  • Palliative Care
  • Pancreas Cancer
  • Pancreas Disease
  • Pancreas Head Cancer
  • Pancreas Tail Cancer
  • Pancreas Transplant
  • Pancreatectomy
  • Pancreatic Cyst
  • Pancreatic Debridement
  • Pancreatic Fistula
  • Pancreatic Insufficiency
  • Pancreatic Mass
  • Pancreatic Pseudocyst
  • Pancreatic Pseudocyst Drainage
  • Pancreatic Steatorrhoea
  • Pancreatic Surgery
  • Pancreaticobiliary Disease
  • Pancreaticojejunostomy
  • Pancreatitis
  • Pancreatoscopy
  • Paracolostomy Hernia
  • Parastomal Hernia
  • Parathyroid Adenoma
  • Parathyroid Cancer
  • Parathyroid Disease
  • Parathyroid Mass
  • Parathyroidectomy
  • Paronychia
  • Partial Splenectomy
  • Pelvic Abscess
  • Pelvic Adhesions
  • Pelvic Mass
  • Pelvic Surgery
  • Peptic Ulcer
  • Peptic Ulcer Surgery
  • Percutaneous Aspiration Of Gallbladder
  • Perforation Of Bile Duct
  • Perforation Of Gallbladder
  • Perianal Haematoma
  • Peripheral Schwannoma
  • Peritoneal Catheter
  • Peritonitis
  • Personal History Of Malignant Neoplasm Of Liver
  • Personalized Cancer Therapy
  • Pilar Cyst
  • Pilonidal Disease
  • Polypectomy
  • Porcelain Gallbladder
  • Portal Hypertension
  • Portal Hypertensive Gastropathy
  • Portal Pyemia
  • Portal Vein Thrombosis
  • Postcholecystectomy Syndrome (Pcs)
  • Postphlebitic Syndrome
  • Pressure Ulcer
  • Primary Biliary Cirrhosis
  • Proximal Pancreatectomy
  • Pseudocyst
  • Pseudomyxoma Peritonei
  • Pyloroplasty
  • Pyogenic Granuloma
  • Quadrantectomy
  • Radical Subtotal Pancreatectomy
  • Radiofrequency Rhizotomy
  • Rectus Sheath Hernia
  • Recurrent Femoral Hernia
  • Recurrent Hernia
  • Reducible Hernia
  • Regional Enteritis
  • Removal Of Pancreatic Tube Or Drain
  • Repair Laceration
  • Repair Of Graft Enteric Fistula
  • Repair Of Laceration Of Gallbladder
  • Repair Of Liver Laceration
  • Repair Of Pancreas
  • Repair Of Vaginoenteric Fistula
  • Retroperitoneal Fibrosis
  • Retroperitoneal Liposarcoma
  • Retroperitoneal Sarcoma
  • Retroperitoneal Sarcoma Resection
  • Right Lower Quadrant Pain
  • Robotic Liver Resection
  • Sarcoma
  • Sclerosing Cholangitis
  • Second Degree Burn
  • Sentinel Lymph Node Biopsy
  • Skin Abscess
  • Skin Cancer
  • Small Bowel Biopsy
  • Small Bowel Cancer
  • Small Bowel Obstruction
  • Spigelian Hernia
  • Spine Mass
  • Spleen Cancer
  • Spleen Injury
  • Spleen Pain
  • Splenectomy
  • Splenic Anomalies
  • Splenic Cyst
  • Splenic Disease
  • Splenic Infection
  • Splenomegaly
  • Staging Laparotomy
  • Stomach Cancer
  • Stomach Cramps
  • Stomach Fistula
  • Stomach Pain
  • Stomal Hernia
  • Stromal Tumor Of Intestine
  • Subcutaneous Lipomas
  • Subphrenic Abscess
  • Surgical Management Of Advanced Hepato Biliary Cancer
  • Surgical Staging
  • Surgical Treatment Of Crohn's Disease
  • Surgical Treatment Of Regional Enteritis
  • Third Degree Burn
  • Thyroid Cancer
  • Thyroid Nodule
  • Thyroid Surgery
  • Transmetatarsal Amputation Surgery
  • Triple Negative Breast Cancer
  • Umbilical Hernia
  • Urachal Cyst
  • Venous Stasis Disease
  • Ventral Hernia
  • Virtual Care
  • Whipple Procedure
  • Wound Therapy