Quick answers
- Does Mackenzie R. Ketterhagen accept Medicare assignment?
- Yes. Medicare's clinician data says Mackenzie R. Ketterhagen 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.
- What is Mackenzie R. Ketterhagen's NPI number?
- 1821979519. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mackenzie R. Ketterhagen works
Medicare's Facility Affiliation Data lists Mackenzie R. Ketterhagen 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.
- St Mary Medical Center IncHobart, IN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 150034
Practice locations
Addresses where Mackenzie R. Ketterhagen is enrolled with Medicare (CMS data updated October 2, 2026).
- 3691 Willowcreek RdPortage, IN 46368 (219) 921‑1444
- 601 Gateway Blvd NChesterton, IN 46304 (219) 921‑1444
Group practices
Medicare enrollment lists Mackenzie R. Ketterhagen as a member of this group (CMS data updated October 2, 2026).
- Lakeshore Bone and Joint Institute, PC81 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Portage
Clinicians with the same Medicare primary specialty in Portage, IN — not a recommendation.
Other clinicians in Lakeshore Bone and Joint Institute, PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2025 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821979519 |
| 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
- 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