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Internist, Critical Care Specialist, Pulmonologist (lungs), Sleep Medicine Specialist
35 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. William OBryan:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. William OBryan is Average. Dr. OBryan has been reviewed by 4 patients who have provided 2 comments. The rating is 2.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.0
Promptness 3.3
Courteous Staff 4.0
Accurate Diagnosis 3.0
Bedside Manner 3.0
Spends Time with Me 4.0
Follows Up After Visit 3.0

Specialties & Research

Dr. William OBryan, MD is board certified in Internal Medicine, Critical Care Medicine, Pulmonary Disease, and Sleep Medicine.

  • He has special expertise in 2 areas:
  • Asthma
  • Insomnia

Education & Awards

Dr. OBryan graduated from University of Kentucky , Lexington.


Dr. OBryan has 4 hospital affiliations:

  • Owensboro Mercy Health System 
  • Perry County Memorial Hospital 


  • English

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Additional Information
Dr. William Martin OBryan MD is a male Internist, has 35 years of experience and practices in Internal Medicine, Pulmonary Disease, Critical Care Medicine, and Sleep Medicine.
Where does Dr. William M. OBryan practice?
Dr. William OBryan has 1 office location.
Dr. William OBryan practices Internal Medicine, Pulmonary Disease, Critical Care Medicine, and Sleep Medicine near Owensboro, KY.
See Owensboro Internists, Owensboro Pulmonologists, Owensboro Critical Care Practitioners, and Owensboro Sleep Medicine Doctors.