Quick answers
- Does Katarzyna M. Hryniewicz accept Medicare assignment?
- Yes. Medicare's clinician data says Katarzyna M. Hryniewicz 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 Katarzyna M. Hryniewicz see?
- In 2024, CMS data shows 283 Original Medicare patients and 614 services for Katarzyna M. Hryniewicz. This counts Original Medicare only and measures volume, not quality.
- What is Katarzyna M. Hryniewicz's NPI number?
- 1093958803. 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 Katarzyna M. Hryniewicz, 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 | 283 |
|---|---|
| Services billed to Medicare | 614 |
| Different services or procedures | 35 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)115 services
- Critical care, first 30-74 minutes (99291)81 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)59 services
- Remote monitoring of pulmonary artery pressure sensor, up to 30 days (93264)58 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)50 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 cholesterol75%
- Heart failure75%
- Ischemic heart disease63%
- Atrial fibrillation58%
- Chronic kidney disease57%
Hospitals where Katarzyna M. Hryniewicz works
Medicare's Facility Affiliation Data lists Katarzyna M. Hryniewicz 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.
- Abbott Northwestern HospitalMinneapolis, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 240057
- Cambridge Medical CenterCambridge, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 240020
- Mercy HospitalCoon Rapids, MN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 240115
- Ridgeview Medical CenterWaconia, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 240056
- St Francis Regional Medical CenterShakopee, MN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 240104
Practice locations
Addresses where Katarzyna M. Hryniewicz is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 17; the Medicare profile lists all.
- 1324 5th St NNew Ulm, MN 56073
- 1455 Saint Francis AveShakopee, MN 55379 (651) 635‑9173
- 1455 Saint Francis Ave, Suite 1000Shakopee, MN 55379 (952) 428‑2099
- 18465 Orchard Trl, Suite 190Lakeville, MN 55044 (612) 262‑1166
- 200 State AveFaribault, MN 55021 (507) 334‑6451
Group practices
Medicare enrollment lists Katarzyna M. Hryniewicz as a member of these groups (CMS data updated October 2, 2026).
- Allina Health System3,842 clinicians in the group
- Minneapolis Heart Institute at Ridgeview Heart Center, LLC54 clinicians in the group
Specialties
- Advanced Heart Failure and Transplant Cardiologyprimary
- Cardiovascular Disease (Cardiology)also
- Internal Medicinealso
Find other Advanced Heart Failure and Transplant Cardiology doctors in Minnesota →
Other heart failure and transplant cardiologists in Minnesota
Clinicians with the same Medicare primary specialty in Minnesota — not a recommendation.
- Robert P. Frantz, MD
- Garvan C. Kane, MD
- Orvar T. Jonsson, MD
- Michael A. Samara, MD
- Alfredo L. Clavell, MD
- Paul McKie
- Lyle J. Olson, MD
- Horng H. Chen, MD
All heart failure and transplant cardiologists in Minnesota →
Other clinicians in Allina Health System
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1995 (31 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1093958803 |
| 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