Michael Ladewski, D.O.
NPI 1821244633 · Family Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Ladewski, D.O. is a Family Medicine Physician provider in Chicago, IL (NPI 1821244633).
Provider details
- NPI number
- 1821244633
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 036121288 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
245 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 81 | $94 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 50 | $132 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 36 | $9 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 25 | $81 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 19 | $133 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 103 | 26 |
| Pantoprazole Sodium | 60 | 14 |
| Potassium Chloride | 45 | — |
| Levothyroxine Sodium | 43 | — |
| Furosemide | 43 | — |
| Lisinopril | 41 | 14 |
| Simvastatin | 37 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$74 across 2 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
Registry dates
- Enumerated
- 2008-08-12
- Last updated
- 2021-03-22
- Certified
- 2021-03-22
Frequently asked questions
- What is Michael Ladewski's NPI number?
- Michael Ladewski's National Provider Identifier (NPI) is 1821244633, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Ladewski's specialty?
- Michael Ladewski is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Ladewski located?
- Michael Ladewski's practice location on file with NPPES is 7447 W Talcott Ave, Chicago, IL 60631-3745.
- What is Michael Ladewski's phone number?
- The practice phone number listed in the NPPES registry for Michael Ladewski is (773) 792-5155.
- Does Michael Ladewski accept Medicare?
- Michael Ladewski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Ladewski's NPI active?
- Yes — Michael Ladewski's NPI (1821244633) is active in the NPPES registry as of the last update on 2021-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.