Individual provider · Type 1 NPI

Michael J. Fleissner, MD

Cardiovascular Disease Physician · Belleville, IL

NPI number 1942289459 Active

Practice location

4600 Memorial Dr Ste W1
Belleville, IL 62226-5359

Fax (618) 233-3180

Mailing address

PO Box 959203
St. Louis, MO 63195-9203

Other practice locations

  • 6810 State Route 162, Ste 102, Maryville, IL 62062-8501 · (618) 488-4076
  • 6810 State Route 162 Ste 102, Maryville, IL 62062-8560 · (618) 288-4076
  • 1225 Graham Rd Ste C-2310, Florissant, MO 63031-8023 · (314) 953-6300

Specialties and licenses

TaxonomyCodeLicense
Cardiovascular Disease Physician 207RC0000X100821 (MO)
Cardiovascular Disease Physician Primary 207RC0000X036.084308 (IL)
Specialist 174400000XMD100821 (MO)

Cardiovascular Disease Physician: An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

13 other providers at this address

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About NPI 1942289459

Michael J. Fleissner, MD's National Provider Identifier is 1942289459, issued on Jan 12, 2006. The primary taxonomy on file is Cardiovascular Disease Physician (207RC0000X), and the practice location is in Belleville, IL. The record was last updated on Sep 29, 2026.