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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. Dennis Sager:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (12)

The overall average patient rating of Dr. Dennis Sager is Average. Dr. Sager has been reviewed by 17 patients who have provided 12 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 3.6
Promptness 2.1
Courteous Staff 3.3
Accurate Diagnosis 3.8
Bedside Manner 3.2
Spends Time with Me 3.6
Follows Up After Visit 2.7

Specialties & Research

Dr. Dennis Sager, MD is board certified in Internal Medicine.

Education & Awards

Dr. Sager graduated from Eastern Virginia Medical School, Norfolk.


Dr. Sager has 1 hospital affiliations:

  • Reston Town Center Pediatrics 


  • English

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Additional Information
Dr. Dennis Sager MD is a male Internist, has 34 years of experience and practices in Internal Medicine.
Where does Dr. Dennis Sager practice?
Dr. Dennis Sager has 1 office location.
Dr. Dennis Sager practices Internal Medicine near Reston, VA.
See Reston Internists.