Overview
Mark Nyreen is a General Surgeon in Federal Way, Washington. Dr. Nyreen is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Cholecystitis, Gallbladder Disease, Retroperitoneal Inflammation, Ileostomy, and Hernia Surgery. Dr. Nyreen is currently accepting new patients.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- PPO
Locations
Virginia Mason Medical Center
Val Simianu, MD, specializes in surgery for conditions of the colon, rectum and anal canal, such as cancer, inflammatory bowel disease, Crohn's disease and ulcerative colitis. He also treats pelvic floor problems such as prolapse and incontinence. He has specialty training in laparoscopic, robotic and trans-anal approaches for these conditions.Dr. Simianu works very closely with other specialists, such as gastroenterologists, oncologists, radiation oncologists and urogynecologists, to plan the best course of treatment for each patient. He enjoys playing a part in his patients' journeys to recovery.Beyond his clinical expertise, Dr. Simianu actively conducts research studies on colorectal cancer, diverticulitis, inflammatory bowel disease and pelvic health problems. He has a special interest in population health, health-services research and surgical education, and serves as the Medical Director of the colorectal service line for Virginia Mason Franciscan Health's Center for Digestive Health.Away from work, Dr. Simianu enjoys hiking, mountaineering, soccer, and traveling and exploring local cuisine with his wife.Watch Dr. Simianu on King 5 Seattle:Dispelling common myths around colon health - New Day NW. Dr. Simianu is rated as a Distinguished provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Diverticular Disease, Familial Colorectal Cancer, Colorectal Cancer, Colostomy, and Appendectomy.
The Association Of University Physicians
David Flum is a General Surgeon in Seattle, Washington. Dr. Flum is rated as a Distinguished provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Appendicitis, Obesity, Diverticular Disease, Appendectomy, and Gastric Bypass. Dr. Flum is currently accepting new patients.
Uw Medicine/Valley Medical Center
Phillip Dean is a General Surgeon in Renton, Washington. Dr. Dean is rated as a Distinguished provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Familial Colorectal Cancer, Hemorrhoids, Colorectal Cancer, Bladder Reconstruction, and Hernia Surgery.
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
- Experienced
- CellulitisDr. Nyreen isExperienced. Learn about Cellulitis.
- CholecystitisDr. Nyreen isExperienced. Learn about Cholecystitis.
- CholedocholithiasisDr. Nyreen isExperienced. Learn about Choledocholithiasis.
- Diverticular DiseaseDr. Nyreen isExperienced. Learn about Diverticular Disease.
- Femoral HerniaDr. Nyreen isExperienced. Learn about Femoral Hernia.
- Gallbladder DiseaseDr. Nyreen isExperienced. Learn about Gallbladder Disease.

