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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).

Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. William Muller is Excellent. Dr. Muller has been reviewed by 4 patients who have provided 1 comments. The rating is 3.5 out of 4 stars.

Patient Ratings
Ease of Appointment 2.7
Promptness 3.5
Courteous Staff 4.0
Accurate Diagnosis 4.0
Bedside Manner 4.0
Spends Time with Me 4.0
Follows Up After Visit 4.0

Specialties & Research

Dr. William Muller, FACP, MD is board certified in Internal Medicine.

  • He has special expertise in 3 areas:
  • Geriatric Medicine
  • Obstetrics
  • Pediatrics

Education & Awards

Dr. Muller graduated from University of Vermont, Burlington.


Dr. Muller has 18 hospital affiliations:

  • U Mass Memorial Med Ctr - Memorial Campus 
  • St Marys Innovis Health 


  • German
  • Portuguese
  • Spanish

> > > > Dr. William Muller, FACP, MD

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Additional Information
Dr. William G Muller FACP and MD is a male Internist, has 35 years of experience and practices in Internal Medicine.
Where does Dr. William G. Muller practice?
Dr. William Muller has 3 office locations.
Dr. William Muller practices Internal Medicine near Uxbridge, MA.
Additional practice locations include: Bemidji, MN and Worcester, MA.
See Uxbridge Internists.