Browse Health
Gastroenterologist (digestive)
39 years of experience
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).

Learn more about Dr. John Quertermus:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

View full profile

Patient Reviews

  • Currently 3.5 of 4 stars
Patient comments (3)

The overall average patient rating of Dr. John Quertermus is Excellent. Dr. Quertermus has been reviewed by 15 patients who have provided 3 comments. The rating is 3.5 out of 4 stars.

Patient Ratings
Ease of Appointment 3.1
  • Currently 3.1428571428571 of 4 stars
Promptness 2.6
  • Currently 2.625 of 4 stars
Courteous Staff 3.3
  • Currently 3.25 of 4 stars
Accurate Diagnosis 2.9
  • Currently 2.8888888888889 of 4 stars
Bedside Manner 3.2
  • Currently 3.2222222222222 of 4 stars
Spends Time with Me 3.0
  • Currently 3 of 4 stars
Follows Up After Visit 2.9
  • Currently 2.8888888888889 of 4 stars

Education & Awards

Dr. Quertermus graduated from Loyola University Chicago, Maywood. He has 1 awards.

Compassionate Doctor Recognition (2011)


Dr. Quertermus has 7 hospital affiliations:

  • Sturgis Hospital 
  • Bronson Methodist Hospital 


  • English

Similar doctors nearby

Dr. Orhan Atay

7 years experience
Kalamazoo, MI

Dr. Orhan Atay

Kalamazoo, MI

Dr. Mark McCormick

Internal Medicine
29 years experience
Kalamazoo, MI

Dr. Lina Karam

16 years experience
Kalamazoo, MI

Dr. Hwan Yoo

Internal Medicine
25 years experience
Kalamazoo, MI

Dr. Kevin Beyer

25 years experience
Kalamazoo, MI
Search All Similar Doctors
Additional Information
Dr. John F Quertermus MD is a male Internist, has 39 years of experience and practices in Gastroenterology.
Where does Dr. John F. Quertermus practice?
Dr. John Quertermus has 2 office locations.
Dr. John Quertermus practices Gastroenterology near Kalamazoo, MI.
See Kalamazoo Gastroenterologists.