Quick answers
- Does Michael H. Wittmer accept Medicare assignment?
- Yes. Medicare's clinician data says Michael H. Wittmer 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 Michael H. Wittmer see?
- In 2024, CMS data shows 1,832 Original Medicare patients and 7,851 services for Michael H. Wittmer. This counts Original Medicare only and measures volume, not quality.
- What is Michael H. Wittmer's NPI number?
- 1427029859. 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 Michael H. Wittmer, 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 | 1,832 |
|---|---|
| Services billed to Medicare | 7,851 |
| Different services or procedures | 56 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)4,648 services
- X-ray of chest, 2 views (71046)517 services
- Ct scan of abdomen and pelvis with contrast (74177)360 services
- X-ray of chest, 1 view (71045)252 services
- Ct scan of chest with contrast (71260)166 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 cholesterol71%
- Arthritis47%
- Anxiety38%
- Chronic kidney disease38%
- Ischemic heart disease36%
Hospitals where Michael H. Wittmer works
Medicare's Facility Affiliation Data lists Michael H. Wittmer 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.
- Fairview Lakes Health ServicesWyoming, MN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 240050
- Fairview Northland Regional HospitalPrinceton, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 240141
- M Health Fairview Ridges HospitalBurnsville, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 240207
- M Health Fairview Southdale HospitalEdina, MN · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 240078
- Regions HospitalSaint Paul, MN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 240106
Practice locations
Addresses where Michael H. Wittmer is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 13; the Medicare profile lists all.
- 1601 Golf Course RdGrand Rapids, MN 55744 · Grand Itasca Clinic and Hospital (218) 326‑3401
- 1617 E Division StRiver Falls, WI 54022 (715) 307‑6600
- 2355 Hwy 36 W, Suite 100Roseville, MN 55113 (651) 292‑2000
- 250 Thompson StSaint Paul, MN 55102 · Midwest Radiology Outpatient Imaging LLC (651) 292‑2000
- 2500 Fairway StDickinson, ND 58601 · St. Joseph's Hospital and Health Center (701) 456‑4000
Group practices
Medicare enrollment lists Michael H. Wittmer as a member of these groups (CMS data updated October 2, 2026).
- Allina Health System3,842 clinicians in the group
- Fairview Express Care1,911 clinicians in the group
- The Duluth Clinic Ltd1,144 clinicians in the group
- Altru Health System684 clinicians in the group
- Ridgeview Medical Center412 clinicians in the group
- Range Regional Health Services353 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MN — not a recommendation.
Other clinicians in Allina Health System
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Mayo Medical School |
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427029859 |
| 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