Quick answers
- Does Ernestine M. Koehn accept Medicare assignment?
- Yes. Medicare's clinician data says Ernestine M. Koehn 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 Ernestine M. Koehn see?
- In 2024, CMS data shows 155 Original Medicare patients and 1,607 services for Ernestine M. Koehn. This counts Original Medicare only and measures volume, not quality.
- What is Ernestine M. Koehn's NPI number?
- 1467710046. 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 Ernestine M. Koehn, 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 | 155 |
|---|---|
| Services billed to Medicare | 1,607 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)399 services
- Chronic care management services for two or more chronic conditions, first 30 minutes provided personally by health care professional, per calendar month (99491)277 services
- Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow (G0181)251 services
- Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a (G0179)174 services
- Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)165 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%
- Arthritis75%
- Diabetes70%
- Chronic kidney disease53%
- Heart failure50%
Practice locations
Addresses where Ernestine M. Koehn is enrolled with Medicare (CMS data updated October 2, 2026).
- 2250 E Devon Ave, Suite 217Des Plaines, IL 60018 (847) 238‑8300
- 6044 N Nassau AveChicago, IL 60631 (847) 238‑8300
Group practices
Medicare enrollment lists Ernestine M. Koehn as a member of this group (CMS data updated October 2, 2026).
- Infinite Care Home Physicians LLC7 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Des Plaines
Clinicians with the same Medicare primary specialty in Des Plaines, IL — not a recommendation.
Other clinicians in Infinite Care Home Physicians LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1467710046 |
| 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