Summary

Dr. Robert Macdonald is an otolaryngology-head and neck surgery specialist who has dedicated 37 years to helping patients with ear, nose, and throat conditions. He earned his medical degree from Washington University in St. Louis School of Medicine and completed his residency training at Barnes Jewish Hospital. Dr. Macdonald speaks English and brings nearly four decades of surgical and medical expertise to his practice.

Dr. Macdonald maintains affiliations with Barnes Jewish Saint Peters Hospital, Mercy Hospital Saint Louis, and Progress West Hospital, serving patients throughout Saint Peters, Saint Louis, and O'Fallon, Missouri. He specializes in treating rhinitis and seasonal allergic rhinitis, helping patients find relief from persistent nasal and allergy symptoms. His procedural expertise includes allergen immunotherapy and sublingual immunotherapy for long-term allergy management, as well as audiograms for comprehensive hearing evaluation. Patients have given Dr. Macdonald an average rating of 4.7 stars for his care.
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Quick Facts

  • accepting new patients
  • 4.7
  • 37 years of experience
  • speaks English
  • Barnes Jewish Hospital
  • 6 written reviews
  • 1 specialty
  • 16 areas of expertise
  • 1 board certification
  • 4 hospital affiliations
  • 4 office locations
  • Male

Office Locations

Dr. Robert Riordan Macdonald has 4 locations

Midwest Ent Centre

4790 Executive Centre PkwySaint Peters, MO 63376
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed

Mercy Hospital Saint Louis

615 S New Ballas RdSaint Louis, MO 63141

Progress West Hospital

2 Progress Point PkwyO Fallon, MO 63368

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Dr. Robert Riordan Macdonald, MD
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Dr. Robert Riordan Macdonald, MDDr. Danish A NagdaDr. Andrew Emmanuel BluherDr. Charles Jerhuang Tseng
Otolaryngology-Head & Neck SurgeryOtolaryngology-Head & Neck SurgeryOtolaryngology-Head & Neck SurgeryOtolaryngology-Head & Neck Surgery
Accepts New Patients Accepts New Patients
4.7 
37 Years of Experience 12 Years of Experience 12 Years of Experience 32 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English
Saint Peters , MOSaint Louis , MOBoston , MASt. LOUIS , MO
Med School: Washington University In St Louis School Of Medicine Med School: Perelman School Of Medicine At University Of Pennsylvania Med School: University Of Maryland School Of Medicine Med School: Keck School Of Medicine Of The University Of Southern California
Current Profile
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Insurance Plans Accepted by Dr. Robert Riordan Macdonald

  • Accepts Medicare

Medical Specialties

Dr. Robert Riordan Macdonald has the following specialty

Specialty Expertise

Dr. Robert Riordan Macdonald has the following 16 areas of expertise

  • Allergies
  • Allergy
  • Chronic Sinusitis
  • Deviated Septum
  • Facial Trauma
  • Hay Fever (Seasonal Allergic Rhinitis)
  • Head and Neck Cancer
  • Hearing Loss
  • Otology
  • Polyps
  • Sinus Infection (Sinusitis)
  • Sleep Apnea (Sleep Apnea Syndromes)
  • Sleep Disorders
  • Smell Disorders
  • Swallowing Disorders
  • Tumors

Certifications, License, & Education

37 Years Experience

MEDICAL LICENSE

Medical Doctor, Missouri, 2026, Expired

EDUCATION & TRAINING

Residency

Barnes Jewish Hospital

Medical School

Washington University In St Louis School Of MedicineGraduated in 1993
Washington University In St Louis School Of MedicineGraduated in 1989

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Frequently Asked Questions

Is Dr. Robert Macdonald accepting new patients?
Dr. Robert Macdonald is accepting new patients on Vitals. View Dr. Robert Macdonald's profile on Vitals to make an appointment.
Where is Dr. Robert Macdonald's office located?
Dr. Robert Macdonald's office is located at 4790 Executive Centre Pkwy, Saint Peters, MO, 63376.
Does Dr. Robert Macdonald accept virtual/telehealth appointments?
Dr. Robert Macdonald has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Robert Macdonald speak?
Dr. Robert Macdonald speaks English.
Does Dr. Robert Macdonald accept my insurance?
You can see the insurance plans that Dr. Robert Macdonald accepts on their Vitals profile.

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