KAREN ROSE ARMBRUST M.D.
NPI 1124310735
Ophthalmology in Minneapolis, MN
About Karen Rose Armbrust M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN ROSE ARMBRUST M.D. (NPI 1124310735) is an individual ophthalmology provider in Minneapolis, Minnesota, licensed in Minnesota (59313) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS, is affiliated with M Health Fairview University Of Mn, and maintains a secondary practice location in Minneapolis.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Karen Rose Armbrust M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Karen Armbrust reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Paul, MN 55104
- Reassigned Medicare billing, Minnesota enrollment
- 3,633 clinicians in this Medicare group
Saint Paul, MN 55104
- Reassigned Medicare billing, Minnesota enrollment
- 2,373 clinicians in this Medicare group
Minneapolis, MN 55454
- Reassigned Medicare billing, Minnesota enrollment
- Medicare enrollment name: University Of Minnesota Physicians
- 1,453 clinicians in this Medicare group
Minneapolis, MN 55455
- Reassigned Medicare billing, Minnesota enrollment
- 1,662 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
M Health Fairview University Of Mn
Acute Care Hospitals · Minneapolis, MNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55417 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Karen Armbrust's NPI number?
The NPI number for Karen Armbrust is 1124310735. It was assigned to this individual provider in the NPPES registry on May 15, 2011.
Where is Karen Armbrust located?
Karen Armbrust practices at 1 Veterans Dr # 2E, Minneapolis, MN 55417. The listed phone number is (612) 725-2000.
What is Karen Armbrust's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Karen Armbrust enrolled in Medicare?
Yes. Karen Armbrust is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Karen Armbrust's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Armbrust reassigns Medicare benefits to 4 organizations: Fairview Express Care (Saint Paul, MN), Fairview Specialty Services (Saint Paul, MN), University Of Minnesota Pediatric Dental Clinic (Minneapolis, MN) and University Of Minnesota Health Clinics And Surgery Center Inc (Minneapolis, MN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karen Armbrust's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Armbrust accept?
Health plans from Sanford Health Plan list Karen Armbrust as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Karen Armbrust affiliated with any hospitals?
According to CMS data, Karen Armbrust is affiliated with M Health Fairview University Of Mn.
When was this NPI record last updated?
The NPPES record for Karen Armbrust was last updated on October 16, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.