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Michael J. Fleissner, MD

Cardiologist

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Specialties and Licenses

Specialties
Cardiologist
Licensed In
Illinois, Missouri
NPI Number
1942289459
In the National Registry
20 years (since 2006)

Name, specialties, licenses and address come from the NPPES national provider registry, updated weekly (this record last changed September 2026).

What Cardiologists Commonly Treat

Typical for the specialty. Ask the office which of these Dr. Michael Fleissner offers.

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Medical Disclaimer

The information on this site is for general educational purposes only and is not medical advice, diagnosis, or treatment. Reading this site does not create a doctor–patient relationship. Always consult a qualified healthcare professional for personal guidance. If this is an emergency, call 911. Mentions of medications, devices, or procedures are informational and not endorsements. Full medical disclaimer.