Quick answers
- Does Adam R. Hermsen accept Medicare assignment?
- Yes. Medicare's clinician data says Adam R. Hermsen 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 Adam R. Hermsen see?
- In 2024, CMS data shows 126 Original Medicare patients and 132 services for Adam R. Hermsen. This counts Original Medicare only and measures volume, not quality.
- What is Adam R. Hermsen's NPI number?
- 1669783437. 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 Adam R. Hermsen, 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 | 126 |
|---|---|
| Services billed to Medicare | 132 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 68 |
Most frequent services
- Emergency department visit with moderate level of medical decision making (99284)27 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)23 services
- Emergency department visit with high level of medical decision making (99285)22 services
- Critical care, first 30-74 minutes (99291)15 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)13 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 pressure71%
- High cholesterol70%
- Arthritis44%
- Anxiety33%
- Ischemic heart disease30%
- Diabetes29%
Hospitals where Adam R. Hermsen works
Medicare's Facility Affiliation Data lists Adam R. Hermsen 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 SE Wisconsin HospitalMilwaukee, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520136
Practice locations
Addresses where Adam R. Hermsen is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 10180 Washington AveMount Pleasant, WI 53177 (262) 687‑7550
- 201 N Mayfair RdWauwatosa, WI 53226 (414) 259‑7200
- 3801 Spring StMount Pleasant, WI 53405 (262) 687‑4011
- 3807 Spring StMount Pleasant, WI 53405 (262) 687‑8173
- 5000 W Chambers StMilwaukee, WI 53210 (414) 447‑2000
Group practices
Medicare enrollment lists Adam R. Hermsen as a member of these groups (CMS data updated October 2, 2026).
- Emergency Medicine Specialists SC227 clinicians in the group
- Swea Fort SC52 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Mount Pleasant
Clinicians with the same Medicare primary specialty in Mount Pleasant, WI — not a recommendation.
Other clinicians in Emergency Medicine Specialists SC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1669783437 |
| 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