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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. Elizabeth O'Neill:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (5)

The overall average patient rating of Dr. Elizabeth O'Neill is Average. Dr. O'Neill has been reviewed by 17 patients who have provided 5 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 3.4
Promptness 3.6
Courteous Staff 2.6
Accurate Diagnosis 3.3
Bedside Manner 3.0
Spends Time with Me 3.5
Follows Up After Visit 3.0

Specialties & Research

Dr. Elizabeth O'Neill, MD is board certified in Internal Medicine.

Education & Awards

Dr. O'Neill graduated from University of Oklahoma , Oklahoma City. She has 1 awards.

Patients' Choice Award (2008 - 2009)


Dr. O'Neill has 8 hospital affiliations:

  • Catholic Health System - Mercy Hospital of Buffalo 
  • Kaleida Health - Buffalo General Hospital 

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Additional Information
Dr. Elizabeth Ann O'Neill MD is a female Internist, has 21 years of experience and practices in Internal Medicine.
Where does Dr. Elizabeth A. O'Neill practice?
Dr. Elizabeth O'Neill has 3 office locations.
Dr. Elizabeth O'Neill practices Internal Medicine near Buffalo, NY.
See Buffalo Internists.