Experienced in Retroperitoneal Inflammation

Dr. Marcus Oosenbrug

Colorectal Surgery
MedStar Health: Colon And Rectal Surgery At MedStar Georgetown University Hospital
3800 Reservoir Rd NW, 
Washington, DC 
Offers Telehealth

Experienced in Retroperitoneal Inflammation
MedStar Health: Colon And Rectal Surgery At MedStar Georgetown University Hospital
3800 Reservoir Rd NW, 
Washington, DC 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Marcus Oosenbrug is a Colorectal Surgeon in Washington, Washington, D.c.. Dr. Oosenbrug is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Secondary Peritonitis, Peritonitis, Ogilvie Syndrome, Gastrointestinal Perforation, and Sacral Nerve Stimulation.

His clinical research consists of co-authoring 9 peer reviewed articles. MediFind looks at clinical research from the past 15 years.

Specialties
Colorectal Surgery
Licenses
Colon & Rectal Surgery in FL
Hospital Affiliations
Cleveland Clinic Hospital
Languages Spoken
English
Gender
Male

Insurance

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

Find your insurance
Find your insuranceClose

Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
AvMed
  • HMO
  • POS
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Blue Shield of California
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Florida Blue
  • EPO
  • PPO
Health Options
  • HMO
  • POS
  • PPO
Highmark
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
SelectHealth
  • HMO
  • POS
Simply Healthcare
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • OTHER MEDICARE PART D
Sunshine Health
  • EPO
  • HMO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 11 Less Insurance Carriers -

Locations

MedStar Health: Colon and Rectal Surgery at MedStar Georgetown University Hospital
3800 Reservoir Rd NW, Washington, DC 20007
Call: 202-295-0560

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.


8 Total Publications

A Seer-Based Analysis of Survival Predictors in Stage I Colorectal Adenocarcinomas.
A Seer-Based Analysis of Survival Predictors in Stage I Colorectal Adenocarcinomas.
Journal: Journal of surgical oncology
Published: July 30, 2025
View All 8 Publications
Similar Doctors
Distinguished in Retroperitoneal Inflammation
Dr. Craig Rezac
Colorectal Surgery
Distinguished in Retroperitoneal Inflammation
Dr. Craig Rezac
Colorectal Surgery

Vhc Health Colorectal Surgery-Arlington

1851 N George Mason Dr Ste 4D, 
Arlington, VA 
 (3.2 miles away)
703-717-4180
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Craig Rezac is a Colorectal Surgeon in Arlington, Virginia. Dr. Rezac is rated as an Advanced provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Familial Colorectal Cancer, Retroperitoneal Inflammation, Colorectal Cancer, Colostomy, and Hernia Surgery.

Advanced in Retroperitoneal Inflammation
Dr. Reid C. Vegeler
General Surgery | Colorectal Surgery
Advanced in Retroperitoneal Inflammation
Dr. Reid C. Vegeler
General Surgery | Colorectal Surgery

Kaiser Permanente Capitol Hill Medical Center

700 Second St NE, 
Washington, DC 
 (3.9 miles away)
800-777-7904
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Reid Vegeler is a General Surgeon and a Colorectal Surgeon in Washington, Washington, D.c.. Dr. Vegeler is rated as an Advanced provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Diverticular Disease, Familial Colorectal Cancer, Retroperitoneal Inflammation, Bladder Reconstruction, and Hernia Surgery.

Justin C. Somerville
Advanced in Retroperitoneal Inflammation
Dr. Justin C. Somerville
Colorectal Surgery
Advanced in Retroperitoneal Inflammation
Dr. Justin C. Somerville
Colorectal Surgery

Somerville Surgical LLC

Columbia, MD 
 (22.9 miles away)
410-695-9950
Languages Spoken:
English
See accepted insurances

Fellowship trained in both colon and rectal surgery, Dr. Somerville has been in practice since 2005. He specializes in colorectal cancer, diverticular disease and IBD, and is an advanced laparoscopic/minimally invasive surgeon with extensive experience treating a broad range of anorectal diseases, as well. www.somsurgery.com. Dr. Somerville is rated as an Advanced provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Familial Colorectal Cancer, Colorectal Cancer, Lynch Syndrome, Bladder Reconstruction, and Small Bowel Resection.

VIEW MORE RETROPERITONEAL INFLAMMATION 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. Oosenbrug's expertise for a condition
ConditionClose
        • Experienced
        • Anorectal Abscess
          Dr. Oosenbrug is
          Experienced
          . Learn about Anorectal Abscess.
          See more Anorectal Abscess experts
        • Bile Duct Stricture
          Dr. Oosenbrug is
          Experienced
          . Learn about Bile Duct Stricture.
          See more Bile Duct Stricture experts
        • Bowel Incontinence
          Dr. Oosenbrug is
          Experienced
          . Learn about Bowel Incontinence.
          See more Bowel Incontinence experts
        • Crohn's Disease
          Dr. Oosenbrug is
          Experienced
          . Learn about Crohn's Disease.
          See more Crohn's Disease experts
        • Diverticular Disease
          Dr. Oosenbrug is
          Experienced
          . Learn about Diverticular Disease.
          See more Diverticular Disease experts
        • Familial Colorectal Cancer
          Dr. Oosenbrug is
          Experienced
          . Learn about Familial Colorectal Cancer.
          See more Familial Colorectal Cancer experts
        View All 19 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.