4.6
12 Ratings with 4 written Reviews
Summary
Dr. Gary Maassen specializes in internal medicine and surgery, bringing four decades of medical expertise to his practice. He earned his medical degree from St. Louis University School of Medicine and completed his residency at St. Johns Medical Center. With 40 years of experience treating patients, Dr. Maassen has developed extensive knowledge in managing complex medical conditions. He communicates with patients in English.
Dr. Maassen practices at OSF Healthcare Saint Anthony's Health Center and sees patients in Saint Louis, Missouri. His clinical focus includes treating chronic kidney disease and managing high cholesterol in both children and teenagers. He regularly performs blood tests and chemistry panels to help diagnose and monitor patient conditions. Patients have given Dr. Maassen an average rating of 4.6 stars, reflecting their confidence in his care.
Dr. Maassen practices at OSF Healthcare Saint Anthony's Health Center and sees patients in Saint Louis, Missouri. His clinical focus includes treating chronic kidney disease and managing high cholesterol in both children and teenagers. He regularly performs blood tests and chemistry panels to help diagnose and monitor patient conditions. Patients have given Dr. Maassen an average rating of 4.6 stars, reflecting their confidence in his care.
AI-generated from data on this provider profile.
Quick Facts
- accepting new patients
- 40 years of experience
- 30 insurance plans accepted
- speaks English
- St Johns Medical Center
- 4 written reviews
- 2 specialties
- 7 areas of expertise
- 2 board certifications
- 1 hospital affiliation
- 3 office locations
- Male
Office Locations
Dr. Gary Anthony Maassen has 3 locationsSouth County Internal Medicine
5034 Griffin RdSaint Louis, MO 63128 Tel: (314) 843-7333
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Gary Anthony Maassen, MD | Dr. Kelly Ann Wood, MSPH, MD | Dr. Michael Albrecht, MD | Eric Harker |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 40 Years of Experience | 20 Years of Experience | 14 Years of Experience | 25 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available |
| Speaks English | Speaks English | Speaks English | Speaks English |
| Saint Louis , MO | COLUMBIA , IL | LANSING , KS | Lyons , CO |
| Med School: St Louis University School Of Medicine | Med School: Southern Illinois University School Of Medicine | Med School: University Of Kansas School Of Medicine | Med School: Duke University School Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Gary Anthony Maassen
Medical Specialties
Dr. Gary Anthony Maassen has the following 2 specialties
Specialty Expertise
Dr. Gary Anthony Maassen has the following 7 areas of expertise
Certifications, License, & Education
40 Years Experience
EDUCATION & TRAINING
Residency
St Johns Medical Center
Medical School
St Louis University School Of MedicineGraduated in 1986
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Frequently Asked Questions
- Is Dr. Gary Maassen accepting new patients?
- Dr. Gary Maassen is accepting new patients on Vitals. View Dr. Gary Maassen's profile on Vitals to make an appointment.
- Does Dr. Gary Maassen accept virtual/telehealth appointments?
- Dr. Gary Maassen has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- How can I make an appointment with Dr. Gary Maassen?
- You can find contact information for Dr. Gary Maassen here on Vitals.
- Where is Dr. Gary Maassen's office located?
- Dr. Gary Maassen's office is located at 5034 Griffin Rd, Saint Louis, MO, 63128.
- Does Dr. Gary Maassen accept my insurance?
- You can see the insurance plans that Dr. Gary Maassen accepts on their Vitals profile.
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