Summary

Dr. Nathan Markowitz is a gastroenterologist and internal medicine physician with over four decades of medical experience. He earned his medical degree from the University of Minnesota Medical School and completed his residency at Oregon Health & Science University. His extensive background spans 41 years of dedicated practice in digestive health and comprehensive internal medicine care.

Dr. Markowitz practices at Portland VA Medical Center in Portland, Oregon, where he focuses on treating digestive system disorders. He specializes in managing conditions such as bacterial gastroenteritis and colitis. His expertise includes performing diagnostic procedures like blood tests and arterial blood gas analysis to help evaluate patient health. Patients have given him an average rating of 3.2 out of 5 on Vitals.

Overview based on verified provider data

Quick Facts

  • 3.2
  • 41 years of experience
  • Oregon Health & Science University
  • 1 written review
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Male

Office Location

Portland Va Medical Center

3710 Sw Us Veterans Hospital RdPortland, OR 97239

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Dr. Nathan Roy Markowitz, MDDr. Carolyn Esther Hughes, MDDr. Karen Alayne Jenkins, DODr. Aaron Jun Yeu Chan, MD
GastroenterologyInfectious DiseaseHospital MedicineHospital Medicine
3.2 
41 Years of Experience 47 Years of Experience 16 Years of Experience 16 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Portland , ORBeaverton , ORPortland , ORPortland , OR
Med School: Oregon Health & Science University School Of Medicine Med School: University Of Minnesota Medical School Med School: Western Univ Health Sci College Of Osteopathic Medicine Of The Pacific Med School: University Of Washington School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Nathan Roy Markowitz

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Nathan Roy Markowitz has the following 2 specialties

Specialty Expertise

Dr. Nathan Roy Markowitz has the following 11 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

41 Years Experience

MEDICAL LICENSE

Medical Doctor, Oregon, 2025, Expired

EDUCATION & TRAINING

Residency

Oregon Health & Science University

Medical School

Oregon Health & Science University School Of Medicine
University Of Minnesota Medical SchoolGraduated in 1985

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Frequently Asked Questions

Is Dr. Nathan Markowitz accepting new patients?
Dr. Nathan Markowitz has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Nathan Markowitz accept my insurance?
You can see the insurance plans that Dr. Nathan Markowitz accepts on their Vitals profile.
Which hospitals is Dr. Nathan Markowitz affiliated with?
Dr. Nathan Markowitz is affiliated with Portland Va Medical Center.
Where is Dr. Nathan Markowitz's office located?
Dr. Nathan Markowitz's office is located at 3710 Sw Us Veterans Hospital Rd, Portland, OR, 97239.
Does Dr. Nathan Markowitz accept virtual/telehealth appointments?
Dr. Nathan Markowitz has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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