Quick answers
- Does Karl J. Papierniak accept Medicare assignment?
- Medicare's clinician data says Karl J. Papierniak may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Karl J. Papierniak see?
- In 2024, CMS data shows 172 Original Medicare patients and 292 services for Karl J. Papierniak. This counts Original Medicare only and measures volume, not quality.
- What is Karl J. Papierniak's NPI number?
- 1417059221. 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 Karl J. Papierniak, 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 | 172 |
|---|---|
| Services billed to Medicare | 292 |
| Different services or procedures | 50 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)32 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)31 services
- Biopsy of large bowel using a flexible endoscope (45380)28 services
- Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk (G0121)24 services
- Colorectal cancer screening; colonoscopy on individual at high risk (G0105)21 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 cholesterol65%
- Arthritis39%
- Diabetes26%
- Depression22%
- Chronic kidney disease22%
Hospitals where Karl J. Papierniak works
Medicare's Facility Affiliation Data lists Karl J. Papierniak 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.
- New Ulm Medical CenterNew Ulm, MN · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 241378
Practice locations
Addresses where Karl J. Papierniak is enrolled with Medicare (CMS data updated October 2, 2026).
- 1324 5th N StNew Ulm, MN 56073
Specialties
- General Surgeryprimary
Other general surgeons in New Ulm
Clinicians with the same Medicare primary specialty in New Ulm, MN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loyola University Of Chicago, Stritch School Of Medicine |
| Graduation year | 1979 (47 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1417059221 |
| 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