Quick answers
- Does Kathleen L. Willbrandt accept Medicare assignment?
- Yes. Medicare's clinician data says Kathleen L. Willbrandt 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 Kathleen L. Willbrandt see?
- In 2024, CMS data shows 80 Original Medicare patients and 224 services for Kathleen L. Willbrandt. This counts Original Medicare only and measures volume, not quality.
- What is Kathleen L. Willbrandt's NPI number?
- 1184015232. 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 Kathleen L. Willbrandt, 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 | 80 |
|---|---|
| Services billed to Medicare | 224 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Advance care planning, first 30 minutes (99497)54 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)39 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)36 services
- Advance care planning, each additional 30 minutes (99498)32 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)17 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%
- Arthritis51%
- Anxiety51%
- Chronic kidney disease51%
- Atrial fibrillation50%
Hospitals where Kathleen L. Willbrandt works
Medicare's Facility Affiliation Data lists Kathleen L. Willbrandt 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.
- Spectrum HealthGrand Rapids, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230038
Practice locations
Addresses where Kathleen L. Willbrandt is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 100 Michigan Ave NEGrand Rapids, MI 49503
- 100 Michigan St NE Rm, 280 Corewell Health Medical Group WestGrand Rapids, MI 49503 (616) 267‑0115
- 1840 Wealthy St SE, Corewell Health Medical Group WestGrand Rapids, MI 49506 (616) 885‑5000
- 300 N Patterson RdReed City, MI 49677 (231) 832‑7140
- 300 N Patterson Rd, Corewell Health Medical Group WestReed City, MI 49677
Group practices
Medicare enrollment lists Kathleen L. Willbrandt as a member of this group (CMS data updated October 2, 2026).
- Spectrum Health Primary Care Partners2,294 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MI — not a recommendation.
Other clinicians in Spectrum Health Primary Care Partners
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1184015232 |
| 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