Michael Grzeskowiak
NPI 1215469218 · Cardiovascular Disease Physician · Peoria, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Grzeskowiak is a Cardiovascular Disease Physician provider in Peoria, IL (NPI 1215469218).
Provider details
- NPI number
- 1215469218
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036171425 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
895 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 316 | $8 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 102 | $65 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 95 | $15 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 61 | $77 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 45 | $131 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Tartrate | 124 | 66 |
| Atorvastatin Calcium | 65 | 32 |
| Furosemide | 62 | 39 |
| Carvedilol | 56 | 27 |
| Isosorbide Mononitratebrand: Isosorbide Mononitrate Er | 55 | 26 |
| Metoprolol Succinate | 54 | 26 |
| Empagliflozinbrand: Jardiance |
Practice location
Mailing address
Additional practice locations (1)
- 4502 Medical DrSan Antonio, TX 78229-4402Phone: (224) 619-5482
Registry dates
- Enumerated
- 2017-03-29
- Last updated
- 2024-12-03
- Certified
- 2024-12-03
Frequently asked questions
- What is Michael Grzeskowiak's NPI number?
- Michael Grzeskowiak's National Provider Identifier (NPI) is 1215469218, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Grzeskowiak's specialty?
- Michael Grzeskowiak is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Grzeskowiak located?
- Michael Grzeskowiak's practice location on file with NPPES is 5405 N Knoxville Ave, Peoria, IL 61614-5016.
- What is Michael Grzeskowiak's phone number?
- The practice phone number listed in the NPPES registry for Michael Grzeskowiak is (309) 691-4410.
- Does Michael Grzeskowiak accept Medicare?
- Michael Grzeskowiak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Grzeskowiak's NPI active?
- Yes — Michael Grzeskowiak's NPI (1215469218) is active in the NPPES registry as of the last update on 2024-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.