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Internist, Endocrinologist (diabetes, hormones)
25 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 (16)

The overall average patient rating of Dr. Mary Roy is Excellent. Dr. Roy has been reviewed by 30 patients who have provided 16 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.2
Promptness 4.7
Courteous Staff 4.1
Accurate Diagnosis 4.9
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 4.9

Specialties & Research

Dr. Mary Roy, MD is board certified in Internal Medicine and Endocrinology, Diabetes & Metabolism.

  • She has special expertise in 6 areas:
  • Diabetes
  • Diabetes Mellitus
  • Diabetes
  • Menopause
  • Metabolic Bone Diseases
  • Thyroid Diseases

Education & Awards

Dr. Roy graduated from Loyola University Chicago, Maywood. She has 5 awards.

Patients' Choice 5th Anniversary Award (2012 - 2014)
Patients' Choice Award (2008 - 2014)
Compassionate Doctor Award - 5 Year Honoree (2014)
Compassionate Doctor Recognition (2010 - 2014)
On-Time Doctor Award (2014)


Dr. Roy has 5 hospital affiliations:

  • Baystate Mary Lane Hospital 
  • Baystate Medical Center 

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Additional Information
Dr. Mary Pat Roy MD is a female Internist, has 25 years of experience and practices in Internal Medicine and Endocrinology, Diabetes & Metabolism.
Where does Dr. Mary P. Roy practice?
Dr. Mary Roy has 1 office location.
Dr. Mary Roy practices Internal Medicine and Endocrinology, Diabetes & Metabolism near Northampton, MA.
See Northampton Internists and Northampton Endocrinologists.