0 reviews
Summary
Dr. Mark Johnson specializes in cardiovascular disease with a focus on heart conditions affecting children and adults. He earned his medical degree from Johns Hopkins University School of Medicine and has been practicing for over four decades, bringing extensive experience to his cardiology practice. Dr. Johnson speaks English and serves patients throughout the Saint Louis region.
Dr. Johnson practices at multiple leading hospitals including Barnes Jewish Hospital, Saint Louis Children's Hospital, and Missouri Baptist Medical Center in Saint Louis, Missouri, as well as Memorial Hospital locations in Belleville, Illinois and Shiloh, Illinois. He treats patients with congenital heart disease, including those born with atrial septal defects and patent foramen ovale. His expertise includes performing specialized heart imaging procedures such as transthoracic echocardiograms and Doppler echocardiograms to evaluate heart function and blood flow.
Dr. Johnson practices at multiple leading hospitals including Barnes Jewish Hospital, Saint Louis Children's Hospital, and Missouri Baptist Medical Center in Saint Louis, Missouri, as well as Memorial Hospital locations in Belleville, Illinois and Shiloh, Illinois. He treats patients with congenital heart disease, including those born with atrial septal defects and patent foramen ovale. His expertise includes performing specialized heart imaging procedures such as transthoracic echocardiograms and Doppler echocardiograms to evaluate heart function and blood flow.
Overview based on verified provider data
Quick Facts
- 44 years of experience
- speaks English
- Johns Hopkins University School Of Medicine
- 1 specialty
- 1 area of expertise
- 1 board certification
- 7 hospital affiliations
- 7 office locations
- Male
Office Locations
Dr. Mark Charles Johnson has 7 locationsWashington University Pediatric Multispecialty Center Memorial East
1414 CROSS ST STE 140ASHILOH, IL 62269 Tel: (314) 454-5437
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Mark Charles Johnson, MD | Dr. Kunal Gurav, MD | Dr. Steven Alan Turner, MD | Dr. Robert Edward Kleiger, MD |
| Cardiovascular Disease | Cardiovascular Disease | Cardiovascular Disease | Cardiovascular Disease |
| Accepts New Patients | Accepts New Patients | ||
| 44 Years of Experience | 18 Years of Experience | 43 Years of Experience | 66 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English, Hindi, Marathi | ||
| Saint Louis , MO | Saint Louis , MO | Evansville , IN | Saint Louis , MO |
| Med School: Johns Hopkins University School Of Medicine | Med School: SETH GS MEDICAL COLLEGE | Med School: University of Missouri at Columbia | Med School: Harvard Medical School |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Mark Charles Johnson
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Mark Charles Johnson has the following specialty
Specialty Expertise
Dr. Mark Charles Johnson has the following area of expertise
Certifications, License, & Education
44 Years Experience
Dr. Mark Charles Johnson holds expired and active medical licenses in the states of Missouri and Illinois.
Medical License
Medical Doctor with an expired medical license in the state of Missouri that expired in 2025 and an active medical license in the state of Illinois that expires in 2026.
Education & Training
Medical School
Graduated from Johns Hopkins University School Of Medicine in 1982.
NPI Number
Dr. Johnson's NPI number is 1497796957.
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Frequently Asked Questions
- How can I make an appointment with Dr. Mark Johnson?
- You can find contact information for Dr. Mark Johnson here on Vitals.
- Does Dr. Mark Johnson accept my insurance?
- You can see the insurance plans that Dr. Mark Johnson accepts on their Vitals profile.
- Where is Dr. Mark Johnson's office located?
- Dr. Mark Johnson's office is located at 1 Childrens Pl, Saint Louis, MO, 63110.
- Is Dr. Mark Johnson accepting new patients?
- Dr. Mark Johnson has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Does Dr. Mark Johnson accept virtual/telehealth appointments?
- Dr. Mark Johnson has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
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