Melissa Weimer, DO


Internal Medicine


Dr. Weimer is board certified in Internal Medicine and Addiction Medicine and has a clinical and research focus on expanding access to treatment for patients with opioid and alcohol use disorders, particularly in the hospital setting. She also has fellowship training and years of experience in the management of complex pain, particularly for patients with concomitant opioid use disorders. 

Dr. Weimer created one of the nation's first hospital-based models to initiate addiction treatment while patients are hospitalized from a complication of their substance use at Oregon Health & Science University. Dr. Weimer has worked tirelessly on a state and national level to improve access to evidence based treatments for patients with substance use disorder. As an experienced educator, she has taught medical providers about substance use disorders and how to safely and effectively prescribe opioids and manage pain in the outpatient and inpatient setting.     





Affiliated With

Yale Medicine


Education & Training


Edward Via College of Osteopathic Medicine at Virginia Tech


Oregon Health Sciences University Hospital


Oregon Health Sciences University Hospital


Oregon Health Sciences University Hospital

Accepted Insurance

Insurance coverage regularly changes, please contact the doctor’s office directly to verify that your specific insurance plan is accepted.

  • aetna
  • anthem bc/bs
  • berkeley care network
  • cigna healthcare
  • community care network
  • connecticare
  • corvel
  • first health network
  • focus healthcare
  • great west
  • husky
  • medicaid
  • medicare
  • multiplan
  • oxford health plans
  • railroad medicare
  • tricare/champus
  • united healthcare
  • us family health plan
  • wellcare