Quick answers
- Does Richard J. Wittchow accept Medicare assignment?
- Yes. Medicare's clinician data says Richard J. Wittchow 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 J. Wittchow see?
- In 2024, CMS data shows 743 Original Medicare patients and 1,892 services for Richard J. Wittchow. This counts Original Medicare only and measures volume, not quality.
- What is Richard J. Wittchow's NPI number?
- 1477557122. 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 J. Wittchow, 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 | 743 |
|---|---|
| Services billed to Medicare | 1,892 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)1,088 services
- Special stained specimen slides to examine tissue, each additional procedure (88341)181 services
- Pathology examination of tissue using a microscope, moderately high complexity (88307)97 services
- Evaluation of fine needle aspirate with interpretation and report (88173)90 services
- Special stained specimen slides to examine tissue including interpretation and report (88313)86 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 pressure68%
- High cholesterol67%
- Arthritis33%
- Chronic kidney disease31%
- Diabetes29%
- Ischemic heart disease22%
Hospitals where Richard J. Wittchow works
Medicare's Facility Affiliation Data lists Richard J. Wittchow 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.
- Gundersen Boscobel Area Hospital and ClinicsBoscobel, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521344
- Gundersen Lutheran Medical CenterLa Crosse, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520087
- St Elizabeth Medical CenterWabasha, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241335
- Vernon Memorial HospitalViroqua, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521348
- Veterans Memorial HospitalWaukon, IA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 161318
Practice locations
Addresses where Richard J. Wittchow is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 11; the Medicare profile lists all.
- 1122 W Hwy 61Winona, MN 55987 (507) 615‑0600
- 1836 S AveLa Crosse, WI 54601 (608) 782‑7300
- 18601 Lincoln StWhitehall, WI 54773 (715) 538‑4361
- 1910 S AveLa Crosse, WI 54601 (608) 782‑7300
- 205 Parker StBoscobel, WI 53805 · Memorial Hospital of Boscobel (608) 375‑4112
Group practices
Medicare enrollment lists Richard J. Wittchow as a member of these groups (CMS data updated October 2, 2026).
- Gundersen Lutheran Medical Center Inc895 clinicians in the group
- Saint Elizabeths Hospital of Wabasha Inc94 clinicians in the group
- St Josephs Health Services Inc81 clinicians in the group
- Vernon Memorial Healthcare Inc77 clinicians in the group
- Tri-County Memorial Hospital Inc74 clinicians in the group
- Tomah Memorial Hospital Inc54 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Winona
Clinicians with the same Medicare primary specialty in Winona, MN — not a recommendation.
Other clinicians in Gundersen Lutheran Medical Center Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Wisconsin School Of Medicine |
| Graduation year | 1985 (41 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477557122 |
| 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