Quick answers
- Which hospitals does Peter Kasznica work at?
- Medicare's official clinician data lists Peter Kasznica at 4 hospitals: Avera Marshall Regional Medical Center, Avera McKennan Hospital & University Health Center, Sanford Worthington Medical Center and Sioux Falls Specialty Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Peter Kasznica see patients?
- Medicare's clinician data lists 2 practice locations, including Worthington, MN and Sioux Falls, SD. Call before your visit to confirm the address.
- What is Peter Kasznica's specialty?
- Medicare lists Otolaryngology as the primary specialty.
- Does Peter Kasznica accept Medicare assignment?
- Yes. Medicare's clinician data says Peter Kasznica accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Peter Kasznica?
- (605) 336-3503, as listed in official Medicare / NPI Registry data.
- What is Peter Kasznica's NPI number?
- 1437284510. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Peter Kasznica works
Medicare's Facility Affiliation Data lists Peter Kasznica at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Avera Marshall Regional Medical CenterMarshall, MN · Critical Access Hospital · CCN 241359
- Avera McKennan Hospital & University Health CenterSioux Falls, SD · Acute Care Hospital · CCN 430016
- Sanford Worthington Medical CenterWorthington, MN · Acute Care Hospital · CCN 240022
- Sioux Falls Specialty HospitalSioux Falls, SD · Acute Care Hospital · CCN 430090
Practice locations
Addresses where Peter Kasznica is enrolled with Medicare (CMS data updated 2026-10-02).
- 1216 Ryans RdWorthington, MN 56187 (605) 336‑3503
- 2315 W 57th StSioux Falls, SD 57108 (605) 336‑3503
Group practices
Medicare enrollment lists Peter Kasznica as a member of this group (CMS data updated 2026-10-02).
- Midwest Ear, Nose and Throat Associates P C17 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in Minnesota
Clinicians with the same Medicare primary specialty in Minnesota — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Boston University School Of Medicine |
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437284510 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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