Quick answers
- Does Mariusz Wrzosek accept Medicare assignment?
- Yes. Medicare's clinician data says Mariusz Wrzosek accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Mariusz Wrzosek see?
- In 2024, CMS data shows 53 Original Medicare patients and 78 services for Mariusz Wrzosek. This counts Original Medicare only and measures volume, not quality.
- What is Mariusz Wrzosek's NPI number?
- 1144274853. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Mariusz Wrzosek, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 53 |
|---|---|
| Services billed to Medicare | 78 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)39 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure66%
- Arthritis47%
- Anxiety32%
- Osteoporosis28%
- Depression23%
Practice locations
Addresses where Mariusz Wrzosek is enrolled with Medicare (CMS data updated October 2, 2026).
- 22 S Washington AvePark Ridge, IL 60068 (847) 268‑3910
Group practices
Medicare enrollment lists Mariusz Wrzosek as a member of this group (CMS data updated October 2, 2026).
- Chicago Surgical Specialists LLC3 clinicians in the group
Specialties
- Oral Surgeryprimary
- Maxillofacial Surgeryalso
Other oral surgeons in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Other clinicians in Chicago Surgical Specialists LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| School | Harvard School Of Dental Medicine |
|---|---|
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144274853 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians