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  • Gastroenterology, Internal Medicine
  • Accepting new patients
  • 36 years of experience
  • The Oregon Clinic Gastroenterology South Tualatin 19250 SW 90th Ave, Tualatin, OR 97062
  • (503) 692-3750

Brief Intro

Doctor visits are too short and the time too valuable. We need to do a better job communicating with our patients and making a human connection. Whether you see me for a screening colonoscopy or a complicated problem, I will try to make it a positive experience as we move together towards addressing your needs. - Mark Schiele, MD

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Education Background

RESIDENCY

Oregon Health & Science University

MEDICAL SCHOOL

University Of California Davis School Of Medicine - 1989

Languages Spoken

  • English
  • Spanish

Location & Hours

  • The Oregon Clinic
  • 19250 SW 90th Ave, Tualatin, OR 97062
  • Mon:7:00 am - 5:00 pm
    Tue:7:00 am - 5:00 pm
    Wed:7:00 am - 5:00 pm
    Thu:7:00 am - 5:00 pm
    Fri:7:00 am - 5:00 pm
    Sat:Closed
    Sun:Closed

Specialties Treated

  • Gastroenterology
  • Internal Medicine

Conditions Addressed

  • Infectious Liver Disease
  • Irritable Bowel Syndrome (IBS)
  • Ischemic Bowel Disease
  • Benign Polyps of the Colon
  • Constipation
  • Intestinal Obstruction
  • Gastrointestinal Hemorrhage
  • Esophagitis
  • Acute Pancreatitis
  • Cirrhosis
  • Celiac Disease
  • Diverticulitis
  • Malignant Neoplasm of Esophagus
  • Gastroesophageal Reflux Disease (GERD)
  • Anal Fissure
  • Inflammatory Bowel Disease (IBD)
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Procedures Performed

  • Colonoscopy

Insurance Accepted

* Insurance information may change frequently. Please verify directly with the provider (doctor/clinic).

  • PacificSource Health Plans
  • CareFirst Blue Cross Blue Shield
  • Triwest Healthcare Alliance
  • First Choice Health
  • Mutual of Omaha
  • Medicare
  • UnitedHealthcare
  • Cigna
  • Optum Health
  • Meritain Health
  • CareOregon
  • Moda Health
  • Aetna
  • Medica
  • Hawaii Medical Assurance Association (HMAA)
  • Tricare
  • Providence Health Plans
  • CHAMPVA
  • Advocate Health Care
  • Devoted Health
  • Blue Cross Blue Shield
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  • Cancer 11
  • Cardiology, Heart & Vascular Surgery 10
  • Orthopedics 22
  • Neurology & Neurosurgery 15
  • Gastroenterology & GI Surgery 19
  • Pulmonology & Lung Surgery 18
  • Diabetes & Endocrinology 4
  • Children's Hospital 3
  • Urology 17
  • Psychiatry 12
  • Geriatrics 20
  • Rehabilitation 6
  • Obsterics & Gynecology 1
  • Ophthalmology 1
  • Ear, Nose & Throat 1
  • Long Term Care 1
  • Maternity Care (Uncomplicated Pregnancy) 7