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Internist, Geriatric Specialist (elderly care)
36 years of experience
Video profile
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).

Patient Reviews

Patient comments (13)

The overall average patient rating of Dr. William Bader is Good. Dr. Bader has been reviewed by 23 patients who have provided 13 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 3.8
Promptness 3.4
Courteous Staff 3.9
Accurate Diagnosis 4.2
Bedside Manner 4.0
Spends Time with Me 4.0
Follows Up After Visit 3.6

Specialties & Research

Dr. William Bader, MD is board certified in Internal Medicine.

  • He has special expertise in 3 areas:
  • Alzheimer Disease
  • Diabetes
  • Diabetes Complications

Education & Awards

Dr. Bader graduated from Thomas Jefferson University, Philadelphia. He has 5 awards.

Patients' Choice Award (2008 - 2009, 2011)
Compassionate Doctor Recognition (2011)
Bridges to Excellence Recognition
Diabetes Care Recognition (2014 - 2016)
Level I
Bridges to Excellence Medical Home Recognition (2015 - 2018)
Level III
NCQA Diabetes Physician Recognition Program (2014 - 2017)


Dr. Bader has 6 hospital affiliations:

  • Saint Clair Memorial Hospital 
  • Mercy Hospital of Pittsburgh 

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Additional Information
Dr. William Bader MD is a male Internist, has 36 years of experience and practices in Internal Medicine and Geriatric Medicine.
Where does Dr. William Bader practice?
Dr. William Bader has 4 office locations.
Dr. William Bader practices Internal Medicine and Geriatric Medicine near Carnegie, PA.
Additional practice locations include: Carnegie, OK and Pittsburgh, PA.
See Carnegie Internists and Carnegie Geriatric Doctors.