Quick answers
- Does Erika L. Mantsch accept Medicare assignment?
- Yes. Medicare's clinician data says Erika L. Mantsch 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 Erika L. Mantsch see?
- In 2024, CMS data shows 254 Original Medicare patients and 353 services for Erika L. Mantsch. This counts Original Medicare only and measures volume, not quality.
- What is Erika L. Mantsch's NPI number?
- 1326357815. 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 Erika L. Mantsch, 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 | 254 |
|---|---|
| Services billed to Medicare | 353 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)150 services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)99 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)56 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)19 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%
- Arthritis59%
- Ischemic heart disease35%
- Anxiety31%
- Depression30%
Hospitals where Erika L. Mantsch works
Medicare's Facility Affiliation Data lists Erika L. Mantsch 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.
- Ascension Columbia St Marys Hospital MilwaukeeMilwaukee, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520051
- Aurora Medical CenterGrafton, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520207
Practice locations
Addresses where Erika L. Mantsch is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 12831 N Port Washington RdMequon, WI 53097 (262) 643‑1300
- 13111 N Port Washington RdMequon, WI 53097 (262) 243‑7300
- 13125 N Port Washington RdMequon, WI 53097 (262) 243‑7408
- 2301 N Lake DrMilwaukee, WI 53211 (414) 291‑1000
- 2323 N Lake DrMilwaukee, WI 53211 (262) 243‑7408
Group practices
Medicare enrollment lists Erika L. Mantsch as a member of this group (CMS data updated October 2, 2026).
- Madison Medical Affiliates Inc86 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Mequon
Clinicians with the same Medicare primary specialty in Mequon, WI — not a recommendation.
Other clinicians in Madison Medical Affiliates Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2010 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326357815 |
| 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