Overview
Marissa Guo is a General Surgeon in Columbus, Ohio. Dr. Guo is rated as an Experienced provider by MediFind in the treatment of Ampullary Cancer. Her top areas of expertise are Ampullary Cancer, Pancreaticoduodenectomy, and Hepatectomy.
Her clinical research consists of co-authoring 20 peer reviewed articles. MediFind looks at clinical research from the past 15 years. In particular, she has co-authored 1 article in the study of Ampullary Cancer.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Locations
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
Osu Surgery, LLC
Timothy Pawlik is a Surgical Oncologist and a General Surgeon in Columbus, Ohio. Dr. Pawlik is rated as an Elite provider by MediFind in the treatment of Ampullary Cancer. His top areas of expertise are Pancreatic Cancer, Gallbladder Adenocarcinoma, Cholangiocarcinoma (Bile Duct Cancer), Hepato-Pancreato-Biliary Surgery, and Pancreaticoduodenectomy. Dr. Pawlik is currently accepting new patients.
Osu Surgery, LLC
Mary Dillhoff is a Surgical Oncologist and a General Surgeon in Columbus, Ohio. Dr. Dillhoff is rated as an Elite provider by MediFind in the treatment of Ampullary Cancer. Her top areas of expertise are Pancreatic Cancer, Pancreatic Islet Cell Tumor, Neuroendocrine Tumor, Pancreatectomy, and Pancreaticoduodenectomy. Dr. Dillhoff is currently accepting new patients.
Ohiohealth Corporation
Kristin Ryan is a General Surgeon and a Surgical Oncologist in Columbus, Ohio. Dr. Ryan is rated as an Advanced provider by MediFind in the treatment of Ampullary Cancer. Her top areas of expertise are Juvenile Angiofibroma, Hernia, Epidural Lipomatosis, Appendectomy, and Hernia Surgery. Dr. Ryan is currently accepting new patients.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- PancreaticoduodenectomyDr. Guo isAdvanced. Learn about Pancreaticoduodenectomy.
- Experienced
- Ampullary CancerDr. Guo isExperienced. Learn about Ampullary Cancer.
- HepatectomyDr. Guo isExperienced. Learn about Hepatectomy.

