Quick answers
- Does Richard L. Herrmann Ii accept Medicare assignment?
- Yes. Medicare's clinician data says Richard L. Herrmann Ii 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 Richard L. Herrmann Ii see?
- In 2024, CMS data shows 290 Original Medicare patients and 348 services for Richard L. Herrmann Ii. This counts Original Medicare only and measures volume, not quality.
- What is Richard L. Herrmann Ii's NPI number?
- 1598052532. 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 Richard L. Herrmann Ii, 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 | 290 |
|---|---|
| Services billed to Medicare | 348 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)125 services
- Emergency department visit with moderate level of medical decision making (99284)81 services
- Emergency department visit with low level of medical decision making (99283)56 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)21 services
- Critical care, first 30-74 minutes (99291)11 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%
- Arthritis46%
- Anxiety43%
- Depression40%
- Diabetes36%
Hospitals where Richard L. Herrmann Ii works
Medicare's Facility Affiliation Data lists Richard L. Herrmann Ii 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.
- Mercy Health System CorpJanesville, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520066
- UW HealthRockford, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140228
Practice locations
Addresses where Richard L. Herrmann Ii is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 1000 Mineral Point AveJanesville, WI 53548 (608) 756‑6000
- 1045 W Stephenson StFreeport, IL 61032 (815) 599‑6000
- 1401 E State StRockford, IL 61104 (779) 696‑4400
- 1625 S State StBelvidere, IL 61008 (815) 547‑5441
- 8201 E Riverside BlvdRockford, IL 61114 (815) 971‑2000
Group practices
Medicare enrollment lists Richard L. Herrmann Ii as a member of these groups (CMS data updated October 2, 2026).
- Mercy Health System Corporation753 clinicians in the group
- Rockford Health Physicians521 clinicians in the group
- Freeport Memorial Hospital178 clinicians in the group
- Rockford Emergency Physicians, LLC53 clinicians in the group
- Belvidere Emergency Physicians, LLC22 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Janesville
Clinicians with the same Medicare primary specialty in Janesville, WI — not a recommendation.
Other clinicians in Mercy Health System Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598052532 |
| 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