Summary

Dr. David Leonard is an otolaryngology-head and neck surgery specialist who earned his medical degree from University College Dublin School of Medicine and Medical Science. With 26 years of experience in the field, he brings extensive expertise to treating conditions affecting the ear, nose, throat, and related structures of the head and neck. He is fluent in both English and Spanish, allowing him to communicate effectively with a diverse patient population.

Dr. Leonard practices at Saint Louis Children's Hospital in Saint Louis, Missouri, where he focuses on pediatric ear, nose, and throat conditions. His clinical expertise includes treating respiratory failure, congenital heart disease, and swallowing difficulties. He performs specialized procedures such as hearing tests, audiograms, and middle ear surgery to help restore and improve his patients' quality of life. Patients have given him an average rating of 4.0 on Vitals.

Overview based on verified provider data

Quick Facts

  • 4
  • 26 years of experience
  • speaks English, Spanish
  • University College Dublin School Of Medicine And Medical Science
  • 3 written reviews
  • 1 specialty
  • 5 areas of expertise
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

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

Office Location

Saint Louis Childrens Hospital

1 Childrens PlSaint Louis, MO 63110

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Dr. David Seamus Leonard, MD
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Dr. David Seamus Leonard, MDDr. John Michael ConoyerDr. Craig Alan BuchmanDr. James Henry Boyd
Otolaryngology-Head & Neck SurgeryOtolaryngology-Head & Neck SurgeryOtolaryngology-Head & Neck SurgeryOtolaryngology-Head & Neck Surgery
Accepts New Patients Accepts New Patients Accepts New Patients
3.8 
3.9 
26 Years of Experience 51 Years of Experience 36 Years of Experience 41 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English Speaks Spanish, German Speaks English
Saint Louis , MOSaint Peters , MOSaint Louis , MOSaint Louis , MO
Med School: University College Dublin School Of Medicine And Medical Science Med School: Vanderbilt University School Of Medicine Med School: University Of Florida College Of Medicine Med School: University Of Missouri Columbia School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. David Seamus Leonard

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

Medical Specialties

Dr. David Seamus Leonard has the following specialty

Specialty Expertise

Dr. David Seamus Leonard has the following 5 areas of expertise

  • Check-up
  • Immunization
  • Pediatric Diabetes
  • Physical
  • Vaccination

Certifications, License, & Education

26 Years Experience

Dr. David Seamus Leonard holds an expired medical license in the state of Missouri.

Medical License

Medical Doctor with an expired medical license in the state of Missouri that expired in 2026.

Education & Training

Medical School

Graduated from University College Dublin School Of Medicine And Medical Science in 2000.

NPI Number

Dr. Leonard's NPI number is 1740444041.

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Frequently Asked Questions

Is Dr. David Seamus Leonard accepting new patients?
Dr. David Seamus Leonard has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Where is Dr. David Seamus Leonard's office located?
Dr. David Seamus Leonard's office is located at 1 Childrens Pl, Saint Louis, MO, 63110.
Does Dr. David Seamus Leonard accept virtual/telehealth appointments?
Dr. David Seamus Leonard has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. David Seamus Leonard?
You can find contact information for Dr. David Seamus Leonard here on Vitals.
What languages does Dr. David Seamus Leonard speak?
Dr. David Seamus Leonard speaks English and Spanish.

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