Michael Fleissner, MD
NPI 1942289459 · Cardiovascular Disease Physician · Belleville, IL
Enrolled with Medicare as Practitioner - Interventional Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Fleissner, MD is a Cardiovascular Disease Physician provider in Belleville, IL (NPI 1942289459).
Provider details
- NPI number
- 1942289459
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 100821 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,856 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 353 | $124 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 302 | $88 |
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System Or Implantable Defibrillator System, Remote Up to 90 Days93296 | 149 | $20 |
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System, Remote Up to 90 Days93294 | 132 | $28 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 82 | $66 |
| Heart Muscle Strain Imaging |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 653 | 188 |
| Rivaroxabanbrand: Xarelto | 428 | 96 |
| Atorvastatin Calcium | 395 | 124 |
| Apixabanbrand: Eliquis | 369 | 91 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 290 | 92 |
| Sotalol Hclbrand: Sotalol | 223 | 57 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$440 across 14 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 6810 State Route 162 Ste 102Maryville, IL 62062-8560Phone: (618) 288-4076
- 6810 State Route 162Ste 102Maryville, IL 62062-8501Phone: (618) 488-4076Fax: (618) 288-4215
- 1225 Graham Rd Ste C-2310Florissant, MO 63031-8023Phone: (314) 953-6300
Registry dates
- Enumerated
- 2006-01-12
- Last updated
- 2026-04-30
- Certified
- 2026-04-30
Frequently asked questions
- What is Michael Fleissner's NPI number?
- Michael Fleissner's National Provider Identifier (NPI) is 1942289459, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Fleissner's specialty?
- Michael Fleissner is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Fleissner located?
- Michael Fleissner's practice location on file with NPPES is 4600 Memorial Dr Ste W1, Belleville, IL 62226-5359.
- What is Michael Fleissner's phone number?
- The practice phone number listed in the NPPES registry for Michael Fleissner is (618) 233-3066.
- Does Michael Fleissner accept Medicare?
- Michael Fleissner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Fleissner's NPI active?
- Yes — Michael Fleissner's NPI (1942289459) is active in the NPPES registry as of the last update on 2026-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.