Photo: Melanie Eggleston, MD

Melanie Eggleston, MD

Internal Medicine

Melanie Eggleston, MD, is a dedicated internal medicine physician at Catalyst Medical Group’s Valley Medical Center location. With a passion for delivering individualized and efficient care, Dr. Eggleston provides high-quality care to her patients. She is a professional and compassionate expert who takes the time to listen to her patients and team up with them to address their concerns. Dr. Eggleston accounts for her patients’ needs to build a plan unique to their injury or condition.

Dr. Eggleston attended the University of San Francisco for her Bachelor of Science degree in biology. She then went to Creighton University School of Medicine in Omaha, Nebraska, for her Doctor of Medicine degree before attending Creighton University/St. Joseph Hospital and Medical Center for her internal medicine internship and residency training.

Dr. Eggleston uses her knowledge and years of experience to treat and diagnose heart disease, high blood pressure, diabetes, and pulmonary disease. She believes in working with her patients to help them be active participants in choosing to live a healthy life and manage their medical problems with their input. 

Outside of her practice, Dr. Eggleston enjoys running, camping, playing soccer, and doing activities with her family. She is also involved in her community and church.


  • University of San Francisco, San Francisco, CA

Medical Degree

  • Creighton University School of Medicine, Omaha, NE


  • Creighton University/St. Joseph Hospital and Medical Center, Omaha, NE


  • Creighton University/St. Joseph Hospital and Medical Center, Omaha, NE

Board Certification

  • American Board of Internal Medicine

Logo: American Board of Internal Medicine

Professional Associations

  • Alpha Sigma Nu
  • American College of Physicians
  • American Medical Association
  • Idaho Medical Association
  • North Idaho District Medical Society
  • “Dr. Eggleston is awesome. She listens and explains things. If she thinks you need tests, she orders them. She gets your results, quickly reads them, and gets back to you the next day. The staff is wonderful about explaining also. It was a great, caring experience.”

    – Barbira Y.

    Patient Rating:

Patient Reviews


  • 2315 8th Street
    Lewiston, ID 83501
    United States

    Phone: (208) 746-1383
    Toll-Free: (800) 735-2426
    Fax: (833) 941-3874
    Medical Records: (208) 746-1383, ext. 6411
    Billing: (208) 746-1383, ext. 6625