Quick answers
- Does Kate Niesen accept Medicare assignment?
- Yes. Medicare's clinician data says Kate Niesen 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 Kate Niesen see?
- In 2024, CMS data shows 98 Original Medicare patients and 152 services for Kate Niesen. This counts Original Medicare only and measures volume, not quality.
- What is Kate Niesen's NPI number?
- 1063036093. 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 Kate Niesen, 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 | 98 |
|---|---|
| Services billed to Medicare | 152 |
| Different services or procedures | 18 |
| 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)38 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)35 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)27 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)13 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 pressure74%
- High cholesterol71%
- Arthritis51%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)47%
- Ischemic heart disease46%
- Anxiety39%
Hospitals where Kate Niesen works
Medicare's Facility Affiliation Data lists Kate Niesen 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.
- Northwestern Lake Forest HospitalLake Forest, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140130
Practice locations
Addresses where Kate Niesen is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 10; the Medicare profile lists all.
- 1000 N Westmoreland Rd, Pavillion B 3rd FlLake Forest, IL 60045 (847) 535‑8500
- 1000 Westmoreland RdLake Forest, IL 60045 (847) 234‑5600
- 1200 N Westmoreland Rd, Suite 100Lake Forest, IL 60045 (847) 735‑8500
- 1475 E Belvidere RdGrayslake, IL 60030
- 600 N Westmoreland Rd, Suite 1100Lake Forest, IL 60045 (847) 535‑9510
Group practices
Medicare enrollment lists Kate Niesen as a member of this group (CMS data updated October 2, 2026).
- Northwestern Medical Faculty Foundation4,503 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Lake Forest
Clinicians with the same Medicare primary specialty in Lake Forest, IL — not a recommendation.
Other clinicians in Northwestern Medical Faculty Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| School | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1063036093 |
| 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