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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 (7)

The overall average patient rating of Dr. Glenn Leslie is Good. Dr. Leslie has been reviewed by 11 patients who have provided 7 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.9
Promptness 3.9
Courteous Staff 3.9
Accurate Diagnosis 3.3
Bedside Manner 3.3
Spends Time with Me 3.5
Follows Up After Visit 3.5

Specialties & Research

Dr. Glenn Leslie, DO is board certified in Internal Medicine.

  • He has special expertise in 1 area:
  • Occupational Medicine

Education & Awards

Dr. Leslie graduated from Midwestern University, Downers Grove. He has 1 awards.

Bridges to Excellence Recognition
Bridges to Excellence Medical Home Recognition (2013 - 2016)
Level II


Dr. Leslie has 6 hospital affiliations:

  • Valley Hospital 
  • Good Samaritan Hospital 


  • Italian
  • English

> > > > Dr. Glenn Leslie, DO

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Additional Information
Dr. Glenn R Leslie DO is a male Internist, has 30 years of experience and practices in Internal Medicine.
Where does Dr. Glenn R. Leslie practice?
Dr. Glenn Leslie has 4 office locations.
Dr. Glenn Leslie practices Internal Medicine near Mahwah, NJ.
Additional practice locations include: Suffern, NY and West Milford, NJ.
See Mahwah Internists.