Quick answers
- Which hospitals does Karen Armbrust work at?
- Medicare's official clinician data lists Karen Armbrust at 1 hospital: M Health Fairview University of MN Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Karen Armbrust see patients?
- Medicare's clinician data lists 2 practice locations, including Minneapolis, MN. Call before your visit to confirm the address.
- What is Karen Armbrust's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Karen Armbrust accept Medicare assignment?
- Yes. Medicare's clinician data says Karen Armbrust 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 Karen Armbrust?
- (612) 672-7422, as listed in official Medicare / NPI Registry data.
- What is Karen Armbrust's NPI number?
- 1124310735. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Karen Armbrust works
Medicare's Facility Affiliation Data lists Karen Armbrust at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- M Health Fairview University of MN Medical CenterMinneapolis, MN · Acute Care Hospital · CCN 240080
Practice locations
Addresses where Karen Armbrust is enrolled with Medicare (CMS data updated 2026-10-02).
- 2450 Riverside AveMinneapolis, MN 55454
- 717 Delaware St SE, Suite 340Minneapolis, MN 55414 (612) 672‑7422
Group practices
Medicare enrollment lists Karen Armbrust as a member of this group (CMS data updated 2026-10-02).
- Fairview Express Care1,911 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Minneapolis
Clinicians with the same Medicare primary specialty in Minneapolis, MN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Minnesota Medical School |
| Graduation year | 2011 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124310735 |
| 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