Browse Health
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. Gary Portnay:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

View full profile

Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Gary Portnay is Good. Dr. Portnay has been reviewed by 3 patients who have provided 1 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 3.7
Promptness 4.3
Courteous Staff 3.7
Accurate Diagnosis 3.7
Bedside Manner 3.7
Spends Time with Me 3.7
Follows Up After Visit 3.7

Specialties & Research

Dr. Gary Portnay, MD is board certified in Internal Medicine.

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

Education & Awards

Dr. Portnay graduated from Rosalind Franklin University, North Chicago.


Dr. Portnay has 3 hospital affiliations:

  • Winchester Hospital 
  • Winchester Hospital, Winchester, Ma 
  • Burlington Medical Group Pc 


  • Russian
  • Hebrew
  • English

> > > > Dr. Gary Portnay, MD

Similar doctors nearby

Dr. Mitchell Kase

Internal Medicine
24 years experience
Woburn, MA

Dr. John Dickason

Internal Medicine
16 years experience
Woburn, MA

Dr. David Dohan

Internal Medicine
19 years experience
Woburn, MA

Dr. Padmavati Pimprale

Internal Medicine
15 years experience
Woburn, MA

Dr. Joseph Kalinowski

Internal Medicine
23 years experience
Woburn, MA

Dr. Mary Donald

Family Medicine
Woburn, MA
Search All Similar Doctors
Additional Information
Dr. Gary Ira Portnay MD is a male Internist, has 44 years of experience and practices in Internal Medicine.
Where does Dr. Gary I. Portnay practice?
Dr. Gary Portnay has 1 office location.
Dr. Gary Portnay practices Internal Medicine near Woburn, MA.
See Woburn Internists.