Quick answers
- Does Nathan R. Mauren accept Medicare assignment?
- Yes. Medicare's clinician data says Nathan R. Mauren 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 Nathan R. Mauren see?
- In 2024, CMS data shows 444 Original Medicare patients and 1,923 services for Nathan R. Mauren. This counts Original Medicare only and measures volume, not quality.
- What is Nathan R. Mauren's NPI number?
- 1669968459. 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 Nathan R. Mauren, 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 | 444 |
|---|---|
| Services billed to Medicare | 1,923 |
| Different services or procedures | 77 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)507 services
- Removal of fingernails or toenails, 6 or more nails (11721)453 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)190 services
- Removal of skin and tissue, 20.0 sq cm or less (11042)133 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)114 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 blood pressure75%
- High cholesterol75%
- Arthritis48%
- Diabetes42%
- Ischemic heart disease35%
- Chronic kidney disease33%
Hospitals where Nathan R. Mauren works
Medicare's Facility Affiliation Data lists Nathan R. Mauren at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- OSF Saint Katharine Medical CenterDixon, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140012
- OSF Saint Paul Medical CenterMendota, IL · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 141310
Practice locations
Addresses where Nathan R. Mauren is enrolled with Medicare (CMS data updated October 2, 2026).
- 1840 1st AveSterling, IL 61081 (779) 251‑6100
- 215 E 1st StDixon, IL 61021 (815) 288‑5531
- 305 Joe Dr EAmboy, IL 61310 (815) 857‑3044
- 403 E 1st StDixon, IL 61021 (815) 288‑5531
- 8600 State Route 91, Suite 130Peoria, IL 61615 (309) 683‑5050
Group practices
Medicare enrollment lists Nathan R. Mauren as a member of this group (CMS data updated October 2, 2026).
- OSF Multi-Specialty Group2,114 clinicians in the group
Specialties
- Podiatryprimary
Other podiatrists in Sterling
Clinicians with the same Medicare primary specialty in Sterling, IL — not a recommendation.
Other clinicians in OSF Multi-Specialty Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Graduation year | 2018 (8 years since podiatric medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1669968459 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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