Summary

Dr. Steven Demeester is a thoracic surgeon with nearly four decades of experience treating conditions of the chest, lungs, and related structures. He earned his medical degree from Loyola University of Chicago Stritch School of Medicine and has been practicing for 39 years, developing extensive expertise in both thoracic surgery and general surgical procedures. Dr. Demeester is fluent in English and Vietnamese, allowing him to serve diverse patient populations.

Dr. Demeester maintains affiliations with several prestigious medical centers, including Providence Behavioral Health, Keck Hospital of USC, and USC Norris Comprehensive Cancer Center. His practice locations span both Portland, Oregon and Los Angeles, California, providing patients access to his specialized surgical expertise across multiple regions. Patients have given him an average rating of 4.0, reflecting their confidence in his surgical care and clinical approach.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4
  • 39 years of experience
  • speaks English, Vietnamese
  • Loyola University Of Chicago Stritch School Of Medicine
  • 12 written reviews
  • 2 specialties
  • 8 areas of expertise
  • 3 hospital affiliations
  • 4 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Steven Ryan Demeester has 4 locations

The Oregon Clinic Center For Advanced Surgery

4805 NE Glisan St Ste 6N60Portland, OR 97213
Mon8:30 am - 4:30 pm
Tue8:30 am - 4:30 pm
Wed8:30 am - 4:30 pm
Thu8:30 am - 4:30 pm
Fri8:30 am - 4:30 pm
SatClosed
SunClosed

Keck Hospital Of Usc

1500 San Pablo StLos Angeles, CA 90033

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Dr. Steven Ryan Demeester, MDDr. Kayla Kazue UmemotoDr. Jasmine BirchDr. Michaela Danielle Curry
Thoracic SurgerySurgerySurgerySurgery
Accepts New Patients
39 Years of Experience 2 Years of Experience 2 Years of Experience 2 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Vietnamese
Portland , ORPortland , ORPortland , ORSeattle , WA
Med School: Loyola University Of Chicago Stritch School Of Medicine Med School: California Northstate University College Of Medicine Med School: Washington State University Elson S. Floyd College Of Medicine Med School: Oregon Health & Science University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Steven Ryan Demeester

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Steven Ryan Demeester has the following 2 specialties

Specialty Expertise

Dr. Steven Ryan Demeester has the following 8 areas of expertise

  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Aneurysm
  • Deep Vein Thrombosis
  • Diabetes Complications
  • Lung Cancer
  • Surgery
  • Varicose Veins
  • Vascular Malformations

Certifications, License, & Education

39 Years Experience

Dr. Steven Ryan Demeester holds inactive and expired medical licenses in the states of Oregon and California.

Medical License

Medical Doctor with an inactive medical license in the state of Oregon that expired in 2025 and an expired medical license in the state of California that expired in 2025.

Education & Training

Medical School

Graduated from Loyola University Of Chicago Stritch School Of Medicine in 1987.

NPI Number

Dr. Demeester's NPI number is 1609807973.

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Frequently Asked Questions

Which hospitals is Dr. Steven Demeester affiliated with?
Dr. Steven Demeester is affiliated with Providence Behavioral Health, Keck Hospital Of Usc, and Usc Norris Comprehensive Cancer Center.
Where is Dr. Steven Demeester's office located?
Dr. Steven Demeester's office is located at 4805 NE Glisan St Ste 6N60, Portland, OR, 97213.
How can I make an appointment with Dr. Steven Demeester?
You can find contact information for Dr. Steven Demeester here on Vitals.
Does Dr. Steven Demeester accept virtual/telehealth appointments?
Dr. Steven Demeester has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Steven Demeester accept my insurance?
You can see the insurance plans that Dr. Steven Demeester accepts on their Vitals profile.

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