Browse Health
Internist
25 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).

Patient Reviews

4.0
  •  
(5)
Patient comments (0)

The overall average patient rating of Dr. Gary Maassen is Excellent. Dr. Maassen has been reviewed by 5 patients who have provided 0 comments. The rating is 4 out of 4 stars.

Patient Ratings
Ease of Appointment 2.7
  •  
Promptness 3.7
  •  
Courteous Staff 2.3
  •  
Accurate Diagnosis 3.0
  •  
Bedside Manner 4.0
  •  
Spends Time with Me 3.7
  •  
Follows Up After Visit 3.5
  •  

Specialties & Research

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

  • He has special expertise in 1 area:
  • Flu (Human Influenza)

Education & Awards

Dr. Maassen graduated from Saint Louis University. He has 4 awards.

Awards  
Patients' Choice Award (2008 - 2011)
Bridges to Excellence Recognition
Diabetes Care Recognition (2013 - 2015)
Level I
Bridges to Excellence Medical Home Recognition (2014 - 2017)
Level III
NCQA Diabetes Physician Recognition Program (2013 - 2016)

Affiliations

Dr. Maassen has 4 hospital affiliations:

  • St Anthonys Medical Center 
  • Des Peres Hospital 

Languages

  • English

> > > > Dr. Gary Maassen, MD

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Additional Information
Dr. Gary Anthony Maassen MD is a male Internist, has 25 years of experience and practices in Internal Medicine.
Where does Dr. Gary A. Maassen practice?
Dr. Gary Maassen has 2 office locations.
Dr. Gary Maassen practices Internal Medicine near Saint Louis, MO.
See Saint Louis Internists.