Quick answers
- Does Karen L. Maloney accept Medicare assignment?
- Yes. Medicare's clinician data says Karen L. Maloney 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 Karen L. Maloney see?
- In 2024, CMS data shows 337 Original Medicare patients and 834 services for Karen L. Maloney. This counts Original Medicare only and measures volume, not quality.
- What is Karen L. Maloney's NPI number?
- 1912918186. 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 Karen L. Maloney, 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 | 337 |
|---|---|
| Services billed to Medicare | 834 |
| Different services or procedures | 41 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)181 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)167 services
- Destruction of precancer skin growth, 1 growth (17000)94 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)77 services
- Biopsy of related skin growth, first growth (11102)66 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 pressure74%
- Arthritis45%
- Diabetes26%
- Ischemic heart disease21%
- Chronic kidney disease20%
Practice locations
Addresses where Karen L. Maloney is enrolled with Medicare (CMS data updated October 2, 2026).
- 2200 Marquette RdPeru, IL 61354 (815) 224‑7400
- 2320 Dean St, Suite 104St Charles, IL 60175 (630) 523‑4747
- 317 Illinois St, Suite ASt Charles, IL 60174 (630) 523‑4747
- 4909 N Glen Park Place RdPeoria, IL 61614 (309) 674‑7546
Group practices
Medicare enrollment lists Karen L. Maloney as a member of this group (CMS data updated October 2, 2026).
- Soderstrom Dermatology Center S C30 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Other clinicians in Soderstrom Dermatology Center S C
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loyola University Of Chicago, Stritch School Of Medicine |
| Graduation year | 1984 (42 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912918186 |
| 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