Quick answers
- Does Rachel A. Kisnonsky accept Medicare assignment?
- Yes. Medicare's clinician data says Rachel A. Kisnonsky 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 Rachel A. Kisnonsky see?
- In 2024, CMS data shows 28 Original Medicare patients and 4,239 services for Rachel A. Kisnonsky. This counts Original Medicare only and measures volume, not quality.
- What is Rachel A. Kisnonsky's NPI number?
- 1407609589. 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 Rachel A. Kisnonsky, 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 | 28 |
|---|---|
| Services billed to Medicare | 4,239 |
| Different services or procedures | 53 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Administration of chemotherapy into vein, 1 hour or less (96413)15 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%
- Arthritis54%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)50%
- Diabetes46%
- Ischemic heart disease39%
Hospitals where Rachel A. Kisnonsky works
Medicare's Facility Affiliation Data lists Rachel A. Kisnonsky 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.
- Corewell Health Big Rapids HospitalBig Rapids, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230093
- Corewell Health Reed City HospitalReed City, MI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 231323
Practice locations
Addresses where Rachel A. Kisnonsky is enrolled with Medicare (CMS data updated October 2, 2026).
- 145 Michigan St NE, Suite 3100Grand Rapids, MI 49503 (616) 954‑9800
- 15100 220th AveBig Rapids, MI 49307 (231) 515‑9410
- 710 Kenmoor Ave SE, Suite 200Grand Rapids, MI 49546 (616) 389‑1800
Group practices
Medicare enrollment lists Rachel A. Kisnonsky as a member of this group (CMS data updated October 2, 2026).
- Cancer and Hematology Centers of Western Mi, P.C.110 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MI — not a recommendation.
Other clinicians in Cancer and Hematology Centers of Western Mi, P.C.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2023 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407609589 |
| 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