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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. John Devlin:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. John Devlin is Excellent. Dr. Devlin has been reviewed by 2 patients who have provided 1 comments. The rating is 5 out of 5 stars.

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

Specialties & Research

Dr. John Devlin, FACE, MD is board certified in Internal Medicine.

  • He has special expertise in 4 areas:
  • Diabetes
  • Diabetes Complications
  • Diabetes Mellitus
  • Endocrinology

Education & Awards

Dr. Devlin graduated from Cornell University, New York.


Dr. Devlin has 9 hospital affiliations:

  • Maine Medical Center 
  • Mainegeneral Medical Center 

> > > > Dr. John Devlin, FACE, MD

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Additional Information
Dr. John T Devlin FACE and MD is a male Internist, has 34 years of experience and practices in Internal Medicine.
Where does Dr. John T. Devlin practice?
Dr. John Devlin has 1 office location.
Dr. John Devlin practices Internal Medicine near Portland, ME.
See Portland Internists.