Summary

Dr. Mark Deffebach specializes in pulmonology, internal medicine, and critical care medicine, bringing 45 years of comprehensive experience to his practice. He earned his medical degree from Oregon Health & Science University School of Medicine and completed his residency training. His extensive background enables him to provide expert care across multiple areas of respiratory and internal medicine, making him well-equipped to handle complex pulmonary conditions and critical care situations.

Dr. Deffebach practices at both Oregon Health And Science University Hospital and Portland VA Medical Center in Portland, Oregon. He focuses on treating conditions such as alpha-1 antitrypsin deficiency and pulmonary nodules. His expertise includes performing advanced imaging procedures like PET scans and PET-CT scans to help diagnose and monitor lung conditions. Patients consistently rate his care highly, giving him an average rating of 5.0 out of 5 stars.

AI-generated from data on this provider profile.

Quick Facts

  • 5
  • 45 years of experience
  • 3 insurance plans accepted
  • Unconfirmed Foreign Training
  • 3 specialties
  • 9 areas of expertise
  • 3 board certifications
  • 2 hospital affiliations
  • 2 office locations
  • Male

Office Locations

Dr. Mark Elbert Deffebach has 2 locations

Oregon Health And Science University Hospital

3181 Sw Sam Jackson Park RdPortland, OR 97239

Portland Va Medical Center

3710 Sw Us Veterans Hospital RdPortland, OR 97239

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Dr. Mark Elbert Deffebach, MDDr. Mindy Anne Tseng, MDDr. Brooke Nicole Maylie, MDDr. Jenna Peterson, MD
PulmonologyNephrologyPreventative MedicineCritical Care Medicine
Accepts New Patients
2.5 
45 Years of Experience 15 Years of Experience 24 Years of Experience 10 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Portland , ORClackamas , ORPORTLAND , ORTualatin , OR
Med School: Oregon Health & Science University School Of Medicine Med School: New York Medical College Med School: Stanford University School Of Medicine Med School: Rush Medical College Of Rush University Medical Center
Current Profile
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Insurance Plans Accepted by Dr. Mark Elbert Deffebach

  • Cigna
  • Liberty Mutual - Workers’ Compensation
  • Triwest Healthcare Alliance

Medical Specialties

Dr. Mark Elbert Deffebach has the following 3 specialties

Specialty Expertise

Dr. Mark Elbert Deffebach has the following 9 areas of expertise

  • Angiographic Visualization
  • Asthma
  • Chest Infection
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Critical Care Medicine
  • Emphysema
  • Internal Medicine
  • Pneumonia
  • Tuberculosis (TB)

Certifications, License, & Education

45 Years Experience

MEDICAL LICENSE

Medical Doctor, Oregon, 2025, Expired

EDUCATION & TRAINING

Residency

Unconfirmed Foreign Training

Medical School

Oregon Health & Science University School Of MedicineGraduated in 1981

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Frequently Asked Questions

How can I make an appointment with Dr. Mark Deffebach?
You can find contact information for Dr. Mark Deffebach here on Vitals.
Does Dr. Mark Deffebach accept virtual/telehealth appointments?
Dr. Mark Deffebach has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Mark Deffebach's office located?
Dr. Mark Deffebach's office is located at 3181 Sw Sam Jackson Park Rd, Portland, OR, 97239.
Is Dr. Mark Deffebach accepting new patients?
Dr. Mark Deffebach has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Mark Deffebach accept my insurance?
You can see the insurance plans that Dr. Mark Deffebach accepts on their Vitals profile.

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