Quick answers
- Does Lauren N. Duffy accept Medicare assignment?
- Yes. Medicare's clinician data says Lauren N. Duffy 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 N. Duffy see?
- In 2024, CMS data shows 141 Original Medicare patients and 198 services for Lauren N. Duffy. This counts Original Medicare only and measures volume, not quality.
- What is Lauren N. Duffy's NPI number?
- 1902504087. 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 N. Duffy, 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 | 141 |
|---|---|
| Services billed to Medicare | 198 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)90 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)27 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 cholesterol66%
- High blood pressure62%
- Arthritis30%
- Anxiety28%
- Depression19%
- Ischemic heart disease18%
Hospitals where Lauren N. Duffy works
Medicare's Facility Affiliation Data lists Lauren N. Duffy 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.
- Aspirus Rhinelander HospitalRhinelander, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520019
- Aspirus Wausau HospitalWausau, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520030
Practice locations
Addresses where Lauren N. Duffy is enrolled with Medicare (CMS data updated October 2, 2026).
- 2720 Plaza Dr, Suite 1100Wausau, WI 54401 (715) 847‑2472
- 333 Pine Ridge BlvdWausau, WI 54401
- 4005 Community Ctr DrWeston, WI 54476
Group practices
Medicare enrollment lists Lauren N. Duffy as a member of these groups (CMS data updated October 2, 2026).
- Aspirus Medical Group, Inc.268 clinicians in the group
- Aspirus Wausau Hospital Inc237 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Wausau
Clinicians with the same Medicare primary specialty in Wausau, WI — not a recommendation.
Other clinicians in Aspirus Medical Group, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| School | Mid West Medical College |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1902504087 |
| 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