Summary

Dr. William Mcdonnell specializes in gastroenterology and internal medicine, bringing 43 years of clinical experience to his practice. He earned his medical degree from St. Louis University School of Medicine and completed his residency at the University of Michigan Medical Center. His extensive background in digestive health and internal medicine allows him to provide comprehensive care for a wide range of gastrointestinal and general medical conditions.

Dr. Mcdonnell practices across multiple locations in Washington and Idaho, including Seattle, Everett, Prosser, and Boise. He is affiliated with several major medical centers, including Harborview Medical Center, UW Medical Center Montlake, and Providence Regional Medical Center Everett Colby Campus. His clinical expertise includes treating conditions such as colon polyps, acid reflux, and abdominal pain. He performs specialized procedures including diagnostic testing and various biopsy procedures. Patients rate him 3.9 out of 5 stars on average.
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Overview based on verified provider data

Quick Facts

  • 3.9
  • 43 years of experience
  • University of Michigan Medical Center
  • 3 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 7 hospital affiliations
  • 6 office locations
  • Male

Office Locations

Dr. William Michael Mcdonnell has 6 locations

Boise Va Medical Center

500 W Fort StBoise, ID 83702

Prosser Digestive Health Center

820 Memorial St Ste 3Prosser, WA 99350
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Uw Medical Center Montlake

1959 Ne Pacific StSeattle, WA 98195

Prosser Memorial Hospital

723 Memorial StProsser, WA 99350

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Dr. William Michael Mcdonnell, MDRebecca Humphries, APRNDr. Huiling Qi, MDDr. David Edward Tannehill, DO
GastroenterologyGastroenterologyHospital MedicineCritical Care Medicine
Accepts New Patients
3.9 
43 Years of Experience 29 Years of Experience 21 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Spanish
Boise , IDSACRAMENTO , CABoise , IDBoise , ID
Med School: St Louis University School Of Medicine Med School: Emory University Med School: Shandong Medical University Med School: A T Still University Kirksville College Of Osteopathic Medicine
Current Profile
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Insurance Plans Accepted by Dr. William Michael Mcdonnell

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

Medical Specialties

Dr. William Michael Mcdonnell has the following 2 specialties

Specialty Expertise

Dr. William Michael Mcdonnell 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

43 Years Experience

MEDICAL LICENSE

Medical Doctor, Washington, 2026, Active

EDUCATION & TRAINING

Residency

University of Michigan Medical Center

Medical School

St Louis University School Of MedicineGraduated in 1983

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Frequently Asked Questions

Is Dr. William Mcdonnell accepting new patients?
Dr. William Mcdonnell has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. William Mcdonnell affiliated with?
Dr. William Mcdonnell is affiliated with Providence Regional Medical Center Everett Colby Campus, Harborview Medical Center, Uw Medical Center Montlake, Boise Va Medical Center, Prosser Memorial Hospital, Seattle Va Medical Center, and Prosser Memorial Hospital.
Does Dr. William Mcdonnell accept my insurance?
You can see the insurance plans that Dr. William Mcdonnell accepts on their Vitals profile.
Does Dr. William Mcdonnell accept virtual/telehealth appointments?
Dr. William Mcdonnell has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. William Mcdonnell's office located?
Dr. William Mcdonnell's office is located at 500 W Fort St, Boise, ID, 83702.

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