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17 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

  • Currently 3.5 of 4 stars
Patient comments (5)

The overall average patient rating of Dr. William Greer is Excellent. Dr. Greer has been reviewed by 17 patients who have provided 5 comments. The rating is 3.5 out of 4 stars.

Patient Ratings
Ease of Appointment 3.2
  • Currently 3.2222222222222 of 4 stars
Promptness 3.1
  • Currently 3.1111111111111 of 4 stars
Courteous Staff 3.8
  • Currently 3.7777777777778 of 4 stars
Accurate Diagnosis 3.6
  • Currently 3.5555555555556 of 4 stars
Bedside Manner 3.7
  • Currently 3.6666666666667 of 4 stars
Spends Time with Me 3.4
  • Currently 3.4444444444444 of 4 stars
Follows Up After Visit 2.9
  • Currently 2.875 of 4 stars

Specialties & Research

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

Education & Awards

Dr. Greer graduated from University of Pennsylvania , Philadelphia. He has 4 awards.

'Top Docs' Philadelphia Magazine 2002, Main Line Health
Castle Connolly's Top Doctors™ (2012 - 2013)
Patients' Choice Award (2009 - 2011)
Compassionate Doctor Recognition (2009 - 2011)


Dr. Greer has 9 hospital affiliations:

  • Pennsylvania Hospital University PA Health System 
  • Main Line Hospital - Bryn Mawr 

> > > > Dr. William Greer, MD

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Additional Information
Dr. William Robson Greer MD is a male Internist, has 17 years of experience and practices in Internal Medicine.
Where does Dr. William R. Greer practice?
Dr. William Greer has 2 office locations.
Dr. William Greer practices Internal Medicine near Paoli, PA.
See Paoli Internists.