Quick answers
- Does Martin H. Janning accept Medicare assignment?
- Medicare's clinician data says Martin H. Janning may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Martin H. Janning see?
- In 2024, CMS data shows 194 Original Medicare patients and 442 services for Martin H. Janning. This counts Original Medicare only and measures volume, not quality.
- What is Martin H. Janning's NPI number?
- 1396963922. 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 Martin H. Janning, 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 | 194 |
|---|---|
| Services billed to Medicare | 442 |
| Different services or procedures | 40 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)90 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)52 services
- Removal of impacted ear wax (69210)41 services
- Diagnostic exam of voice box using a flexible endoscope (31575)26 services
- Diagnostic exam of nasal passages using an endoscope (31231)23 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 cholesterol64%
- Arthritis38%
- Diabetes27%
- Anxiety27%
- Depression25%
Hospitals where Martin H. Janning works
Medicare's Facility Affiliation Data lists Martin H. Janning 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.
- Avera Granite FallsGranite Falls, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241343
- Avera Marshall Regional Medical CenterMarshall, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241359
- Centracare- Rice Memorial HospitalWillmar, MN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 240088
- Glacial Ridge HospitalGlenwood, MN · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 241376
- Johnson Memorial HospitalDawson, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241314
Practice locations
Addresses where Martin H. Janning is enrolled with Medicare (CMS data updated October 2, 2026).
- 10 4th Ave SEGlenwood, MN 56334 (320) 634‑4521
- 109 E Lake Benton StLake Benton, MN 56149 (507) 368‑4323
- 1801 19th Ave SWWillmar, MN 56201 (320) 231‑3277
- 240 Willow StTyler, MN 56178 (507) 247‑5521
- 300 S Bruce StMarshall, MN 56258 (507) 532‑9661
Group practices
Medicare enrollment lists Martin H. Janning as a member of these groups (CMS data updated October 2, 2026).
- Avera Marshall99 clinicians in the group
- Glacial Ridge Hospital District73 clinicians in the group
- Avera Tyler15 clinicians in the group
- Janning Ent Center, LLC4 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in Minnesota
Clinicians with the same Medicare primary specialty in Minnesota — not a recommendation.
Other clinicians in Avera Marshall
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Minnesota Medical School |
| Graduation year | 1991 (35 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1396963922 |
| 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