Quick answers
- Does Mark R. Southard accept Medicare assignment?
- Yes. Medicare's clinician data says Mark R. Southard 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 Mark R. Southard see?
- In 2024, CMS data shows 3,033 Original Medicare patients and 11,838 services for Mark R. Southard. This counts Original Medicare only and measures volume, not quality.
- What is Mark R. Southard's NPI number?
- 1003868811. 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 Mark R. Southard, 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 | 3,033 |
|---|---|
| Services billed to Medicare | 11,838 |
| Different services or procedures | 184 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, gadoterate meglumine, 0.1 ml (A9575)7,450 services
- X-ray of chest, 1 view (71045)412 services
- X-ray of chest, 2 views (71046)384 services
- Ct scan of abdomen and pelvis with contrast (74177)190 services
- Ct scan head or brain without contrast (70450)187 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 pressure74%
- High cholesterol70%
- Arthritis57%
- Diabetes30%
- Depression27%
- Chronic kidney disease27%
Hospitals where Mark R. Southard works
Medicare's Facility Affiliation Data lists Mark R. Southard 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.
- Aspirus Stanley HospitalStanley, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521311
- Burnett Medical CenterGrantsburg, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521331
- Cumberland Memorial HospitalCumberland, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521353
- Spooner Health SystemSpooner, WI · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 521332
- Winona Health ServicesWinona, MN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 240044
Practice locations
Addresses where Mark R. Southard is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 14; the Medicare profile lists all.
- 1 Hurley Plasa, 9w Hurley Maternal Fetal MedicineFlint, MI 48503 (810) 262‑4787
- 1 Hurley PlzFlint, MI 48503
- 1024 N Main StRice Lake, WI 54868 · Diagnostic Radiology Associates of Wisconsin SC (715) 234‑8151
- 1200 Grant Blvd WWabasha, MN 55981 (651) 565‑5500
- 2004 High Point DrAltoona, WI 54720 (888) 501‑6087
Group practices
Medicare enrollment lists Mark R. Southard as a member of these groups (CMS data updated October 2, 2026).
- Multicare Health System2,325 clinicians in the group
- Hurley Medical Center342 clinicians in the group
- Imaging Associates of Indiana PC301 clinicians in the group
- Imaging Associates of Michigan PLLC158 clinicians in the group
- Tomah Memorial Hospital Inc54 clinicians in the group
- Medical X-Ray Consultants Ltd31 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Flint
Clinicians with the same Medicare primary specialty in Flint, MI — not a recommendation.
Other clinicians in Multicare Health System
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1003868811 |
| 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