Quick answers
- Does Lauren R. Willoughby accept Medicare assignment?
- Yes. Medicare's clinician data says Lauren R. Willoughby 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 Lauren R. Willoughby see?
- In 2024, CMS data shows 295 Original Medicare patients and 445 services for Lauren R. Willoughby. This counts Original Medicare only and measures volume, not quality.
- What is Lauren R. Willoughby's NPI number?
- 1114485695. 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 Lauren R. Willoughby, 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 | 295 |
|---|---|
| Services billed to Medicare | 445 |
| Different services or procedures | 24 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)160 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)124 services
- Emergency department visit with moderate level of medical decision making (99284)107 services
- Critical care, first 30-74 minutes (99291)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%
- Chronic kidney disease42%
- Diabetes39%
- Anxiety39%
Hospitals where Lauren R. Willoughby works
Medicare's Facility Affiliation Data lists Lauren R. Willoughby 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.
- Community Memorial HospitalMenomonee Falls, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520103
- Froedtert Community HospitalNew Berlin, WI · Acute Care Hospital · Emergency services: listed by Medicare · CCN 520213
- Froedtert Memorial Lutheran HospitalMilwaukee, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520177
Practice locations
Addresses where Lauren R. Willoughby is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 8701 W Watertown PlankMilwaukee, WI 53226 (414) 805‑3666
- 8701 Watertown Plank Rd, Room 4041 MfrcMilwaukee, WI 53226 (414) 805‑3666
- W180 N8065 Town Hall RdMenomonee Falls, WI 53051 (262) 251‑1000
- W180n8000 Town Hall RdMenomonee Falls, WI 53051 (262) 255‑2500
- W180n8071 Town Hall RdMenomonee Falls, WI 53051 (262) 253‑2700
Group practices
Medicare enrollment lists Lauren R. Willoughby as a member of these groups (CMS data updated October 2, 2026).
- The Medical College of Wisconsin Inc2,115 clinicians in the group
- Froedtert Andthe Medical College of Wisconsin Community Physicians Inc1,285 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Milwaukee
Clinicians with the same Medicare primary specialty in Milwaukee, WI — not a recommendation.
Other clinicians in The Medical College of Wisconsin Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rush Medical College Of Rush University |
| Graduation year | 2019 (7 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1114485695 |
| 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