> > > > Dr. Gary Maassen, MD
Dr. Gary Anthony Maassen MD is a male Internist, has 24 years of experience and practices in Internal Medicine.
Dr. Gary Maassen has 2 office locations.
Esse Health
5034 Griffin Rd
Saint Louis, MO 63128

Phone Number
Locations and availability (2)
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
  • Currently 4 of 4 stars
(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
  • Currently 2.6666666666667 of 4 stars
Promptness 3.7
  • Currently 3.6666666666667 of 4 stars
Courteous Staff 2.3
  • Currently 2.3333333333333 of 4 stars
Accurate Diagnosis 3.0
  • Currently 3 of 4 stars
Bedside Manner 4.0
  • Currently 4 of 4 stars
Spends Time with Me 3.7
  • Currently 3.6666666666667 of 4 stars
Follows Up After Visit 3.5
  • Currently 3.5 of 4 stars

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 3 awards.

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

Affiliations

Dr. Maassen has 4 hospital affiliations:

  • St Anthonys Medical Center 
  • Des Peres Hospital 

Accepted Insurance Plans

Dr. Maassen accepts these health insurances in at least one office:

  • United Healthcare - 14 plans
  • Cigna - 10 plans
  • Humana - 6 plans
  • Great-West Healthcare - 1 plan


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Additional Information
Where does Dr. Gary A. Maassen practice?
Dr. Gary Maassen practices Internal Medicine near Saint Louis, MO.
See Saint Louis Internists.