Experienced in Diverticular Disease

Dr. Katherine A. Mandell

General Surgery
Providence
801 Broadway, 
Seattle, WA 
Accepting New Patients
Offers Telehealth

Experienced in Diverticular Disease
Providence
801 Broadway, 
Seattle, WA 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Katherine Mandell is a General Surgeon in Seattle, Washington. Dr. Mandell is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. Her top areas of expertise are Appendicitis, Retroperitoneal Inflammation, Gallbladder Disease, Appendectomy, and Gallbladder Removal. Dr. Mandell is currently accepting new patients.

Her clinical research consists of co-authoring 9 peer reviewed articles and participating in 1 clinical trial. MediFind looks at clinical research from the past 15 years.

Specialties
General Surgery
Licenses
Surgery in MA
Hospital Affiliations
Swedish Medical Center / Cherry Hill
Swedish Medical Center
Languages Spoken
English
Gender
Female

Insurance

Accepted insurance can change. Please verify directly with the provider.

Find your insurance
Find your insuranceClose

Accepted insurance plans:

Community Health
  • EPO
  • HMO
Coordinated Care
  • HMO
  • MANAGED MEDICAID PLAN
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
PacificSource
  • PPO
Premera
  • EPO
  • PPO
Premera Blue Cross
  • INSURANCE PLAN
  • MEDICARE MAPD
  • OTHER COMMERCIAL
  • PPO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
View 3 Less Insurance Carriers -

Locations

801 Broadway, Seattle, WA 98122
Call: 206-215-3500

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.


1 Clinical Trials

The Comparison of Outcomes of Antibiotic Drugs and Appendectomy (CODA) Trial
The Comparison of Outcomes of Antibiotic Drugs and Appendectomy (CODA) Trial
Enrollment Status: Completed
Publish Date: May 06, 2023
Intervention Type: Procedure, Drug
Study Phase: Not Applicable

9 Total Publications

Trial Participation and Outcomes Among English-Speaking and Spanish-Speaking Patients With Appendicitis Randomized to Antibiotics: A Secondary Analysis of the CODA Randomized Clinical Trial.
Trial Participation and Outcomes Among English-Speaking and Spanish-Speaking Patients With Appendicitis Randomized to Antibiotics: A Secondary Analysis of the CODA Randomized Clinical Trial.
Journal: JAMA surgery
Published: June 28, 2023
View All 9 Publications
Similar Doctors
Vlad (. Simianu
Elite in Diverticular Disease
Dr. Vlad (. Simianu
Colorectal Surgery | General Surgery
Elite in Diverticular Disease
Dr. Vlad (. Simianu
Colorectal Surgery | General Surgery

Virginia Mason Medical Center

1100 Ninth Avenue, 
Seattle, WA 
 (0.3 miles away)
206-624-1144
Languages Spoken:
English
See accepted insurances
Accepting New Patients
Offers Telehealth

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.

David R. Flum
Distinguished in Diverticular Disease
Dr. David R. Flum
General Surgery
Distinguished in Diverticular Disease
Dr. David R. Flum
General Surgery

The Association Of University Physicians

1959 Ne Pacific St, 
Seattle, WA 
 (2.8 miles away)
206-598-4333
Languages Spoken:
English, Castilian, Portuguese, Spanish
See accepted insurances
Accepting New Patients
Offers Telehealth

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.

Distinguished in Diverticular Disease
Dr. Phillip Dean
General Surgery
Distinguished in Diverticular Disease
Dr. Phillip Dean
General Surgery

Uw Medicine/Valley Medical Center

400 S 43rd St, 
Renton, WA 
 (12.6 miles away)
425-228-3440
Languages Spoken:
English
See accepted insurances
Offers Telehealth

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.

VIEW MORE DIVERTICULAR DISEASE DOCTORS

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

Find Dr. Mandell's expertise for a condition
ConditionClose
      • Advanced
      • Appendectomy
        Dr. Mandell is
        Advanced
        . Learn about Appendectomy.
        See more Appendectomy experts
      • Appendicitis
        Dr. Mandell is
        Advanced
        . Learn about Appendicitis.
        See more Appendicitis experts
      • Choledocholithiasis
        Dr. Mandell is
        Advanced
        . Learn about Choledocholithiasis.
        See more Choledocholithiasis experts
      • Gallbladder Disease
        Dr. Mandell is
        Advanced
        . Learn about Gallbladder Disease.
        See more Gallbladder Disease experts
      • Gallstones
        Dr. Mandell is
        Advanced
        . Learn about Gallstones.
        See more Gallstones experts
      • Ogilvie Syndrome
        Dr. Mandell is
        Advanced
        . Learn about Ogilvie Syndrome.
        See more Ogilvie Syndrome experts
      View All 7 Advanced Conditions
      • Experienced
      • Acute Pancreatitis
        Dr. Mandell is
        Experienced
        . Learn about Acute Pancreatitis.
        See more Acute Pancreatitis experts
      • Cellulitis
        Dr. Mandell is
        Experienced
        . Learn about Cellulitis.
        See more Cellulitis experts
      • Childhood Pancreatitis
        Dr. Mandell is
        Experienced
        . Learn about Childhood Pancreatitis.
        See more Childhood Pancreatitis experts
      • Cholecystitis
        Dr. Mandell is
        Experienced
        . Learn about Cholecystitis.
        See more Cholecystitis experts
      • Colostomy
        Dr. Mandell is
        Experienced
        . Learn about Colostomy.
        See more Colostomy experts
      • Diverticular Disease
        Dr. Mandell is
        Experienced
        . Learn about Diverticular Disease.
        See more Diverticular Disease experts
      View All 21 Experienced Conditions
      Want to save this doctor for later?
      Sign Up
      Is this your doctor?
      Find A Second Opinion
      Not sure about your diagnosis?
      Check Your Symptoms
       
       
       
       
      Learn about our expert tiers
      Learn More
      Are you the provider on this profile?
      Claim Profile
      For Patients
      • Our Story
      • How MediFind Works
      • Conditions A-Z
      • Doctor Directory
      • Symptoms Directory
      • Procedures Directory
      • Treatment Directory
      • Drug Directory
      • Infusion Center Finder
      • FAQ
      • Contact Us
      For Providers and Practices
      • Claim Your Profile
      • Newsroom
      Business Solutions
      • Provider
      • Network Solutions
      Additional Resources
      • Consumer Health Data Privacy Policy
      • Privacy Policy
      • Terms of Use
      • Advertising Policy
      • Content Policy
      Subscribe to our newsletter

      Sign up to stay informed about MediFind and get wellness sent your way.

      Close

        By subscribing, I agree to MediFind's Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.

        Bullet PinMediFind
        Follow us on
        This information is not intended as a substitute for informed medical advice. You should work with a licensed professional to diagnose and treat health conditions. We let the data speak for itself, MediFind does not endorse any healthcare providers.
        © 2026 All Rights Reserved

        Request an Appointment

        If you are experiencing a medical emergency, call 9-1-1.

        MediFind will contact the provider for your appointment request. You’ll receive status updates by email. Your provider or MediFind will reach out to you directly by phone or email to schedule your appointment or request additional information.

        Patient Details

        This information is for the patient who will be seen at the appointment.

          Close

          Returning patient? Use your address on file with the provider.

          Insurance Details

          Please provide information of the primary insurance holder as the practice may require this information to schedule.

          Insurance Provider *
          Insurance ProviderClose

          Appointments Details

          Let’s get more information about your appointment.

                  0 / 1000
                  0 / 1000
                  By pressing the Submit button you are agreeing to MediFind’s Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.