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Summary
Dr. Michael Twyman is a cardiovascular disease specialist with 24 years of experience treating heart and blood vessel conditions. He earned his medical degree from St. Louis University School of Medicine and has dedicated his career to helping patients with complex cardiovascular issues. Dr. Twyman speaks both English and Spanish, allowing him to serve a diverse patient population.
Dr. Twyman practices at multiple locations across Illinois and Missouri, including O'Fallon, Town and Country, and Saint Louis. His hospital affiliations include HSHS Saint Elizabeth's Hospital, SSM Health Saint Louis University Hospital, SSM Health Saint Mary's Hospital Saint Louis, Progress West Hospital, and Memorial Hospital Shiloh. He specializes in treating serious conditions such as aortic arch aneurysms, ascending aortic aneurysms, and carotid artery disease. Dr. Twyman performs advanced diagnostic procedures including contrast echocardiography, transthoracic echocardiograms, and CT angiograms to …evaluate heart function and blood vessel health.
Read More Read less Dr. Twyman practices at multiple locations across Illinois and Missouri, including O'Fallon, Town and Country, and Saint Louis. His hospital affiliations include HSHS Saint Elizabeth's Hospital, SSM Health Saint Louis University Hospital, SSM Health Saint Mary's Hospital Saint Louis, Progress West Hospital, and Memorial Hospital Shiloh. He specializes in treating serious conditions such as aortic arch aneurysms, ascending aortic aneurysms, and carotid artery disease. Dr. Twyman performs advanced diagnostic procedures including contrast echocardiography, transthoracic echocardiograms, and CT angiograms to …evaluate heart function and blood vessel health.
Overview based on verified provider data
Quick Facts
- 24 years of experience
- speaks English, Spanish
- St Louis University School Of Medicine
- 1 specialty
- 5 hospital affiliations
- 8 office locations
- Male
Office Locations
Dr. Michael Allen Twyman has 8 locationsVictory Mens Health
1405 N Green Mount Rd Ste 240O Fallon, IL 62269 Tel: (618) 632-9000
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 2:00 pm
SatClosed
SunClosed
Victory Mens Health
2315 Technology Dr Ste 101O Fallon, MO 63368 Tel: (636) 229-9000
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 2:00 pm
SatClosed
SunClosed
Victory Mens Health
1036 Town and Country Crossing DrTown and Country, MO 63017 Tel: (314) 833-9000
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 2:00 pm
SatClosed
SunClosed
Victory Mens Health
10775 Watson RdSaint Louis, MO 63127 Tel: (314) 433-9000
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 2:00 pm
SatClosed
SunClosed
Apollo Cardiology
1034 S Brentwood Blvd Ste 1230Saint Louis, MO 63117Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 12:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  | |
| Dr. Michael Allen Twyman, MD | Dr. Kunal Gurav, MD | Elena Fiddor Kozaryuk | Dr. Richard William Petrella JR. |
| Cardiovascular Disease | Cardiovascular Disease | Nurse Practitioner | Cardiovascular Disease |
| Accepts New Patients | |||
| 24 Years of Experience | 18 Years of Experience | 5 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English, Spanish | Speaks English, Hindi, Marathi | ||
| O Fallon , IL | Saint Louis , MO | Saint Louis , MO | Saint Louis , MO |
| Med School: St Louis University School Of Medicine | Med School: SETH GS MEDICAL COLLEGE | Med School: Drexel University College Of Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Michael Allen Twyman
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Michael Allen Twyman has the following specialty
Certifications, License, & Education
24 Years Experience
Dr. Michael Allen Twyman holds an expired medical license in the states of Missouri and Illinois.
Medical License
Medical Doctor with an expired medical license in the state of Missouri that expired in 2026 and an expired medical license in the state of Illinois that expired in 2026.
Education & Training
Medical School
Graduated from St Louis University School Of Medicine in 2002.
NPI Number
Dr. Twyman's NPI number is 1053395533.
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Frequently Asked Questions
- Does Dr. Michael Twyman accept virtual/telehealth appointments?
- Dr. Michael Twyman has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Dr. Michael Twyman's office located?
- Dr. Michael Twyman's office is located at 1405 N Green Mount Rd Ste 240, O Fallon, IL, 62269.
- Is Dr. Michael Twyman accepting new patients?
- Dr. Michael Twyman has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- What languages does Dr. Michael Twyman speak?
- Dr. Michael Twyman speaks English and Spanish.
- How can I make an appointment with Dr. Michael Twyman?
- You can find contact information for Dr. Michael Twyman here on Vitals.
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