Quick answers
- Does Michelle L. Hahn accept Medicare assignment?
- Yes. Medicare's clinician data says Michelle L. Hahn 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 Michelle L. Hahn see?
- In 2024, CMS data shows 189 Original Medicare patients and 417 services for Michelle L. Hahn. This counts Original Medicare only and measures volume, not quality.
- What is Michelle L. Hahn's NPI number?
- 1689990590. 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 Michelle L. Hahn, 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 | 189 |
|---|---|
| Services billed to Medicare | 417 |
| Different services or procedures | 37 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)74 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)61 services
- Detection test by immunoassay with direct visual observation for influenza virus (87804)58 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)41 services
- Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) (87811)31 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 cholesterol68%
- High blood pressure65%
- Arthritis41%
- Anxiety22%
- Ischemic heart disease20%
- Chronic kidney disease16%
Practice locations
Addresses where Michelle L. Hahn is enrolled with Medicare (CMS data updated October 2, 2026).
- 1201 1st AveRock Falls, IL 61071 (773) 454‑9921
- 2490 Bushwood DrElgin, IL 60124 (224) 293‑5200
Group practices
Medicare enrollment lists Michelle L. Hahn as a member of these groups (CMS data updated October 2, 2026).
- Physicians Immediate Care North Chicago LLC257 clinicians in the group
- Am Urgent Care Ltd2 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Rock Falls
Clinicians with the same Medicare primary specialty in Rock Falls, IL — not a recommendation.
Other clinicians in Physicians Immediate Care North Chicago LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2009 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689990590 |
| 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