THOMAS G HOREJSI MD
NPI 1952345597
Emergency Medicine in Minneapolis, MN
About Thomas G Horejsi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS G HOREJSI MD (NPI 1952345597) is an individual emergency medicine provider in Minneapolis, Minnesota, licensed in Minnesota (43668) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Abbott Northwestern Hospital, and is a graduate of University Of Minnesota Medical School (2000).
NPPES Registry Identity
Specialties & Licenses 2
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
Thomas G Horejsi Md 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
2Medicare enrollment records show Thomas Horejsi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Minneapolis, MN 55407
- Reassigned Medicare billing, Minnesota enrollment
- 3,733 clinicians in this Medicare group
Minneapolis, MN 55414
- Reassigned Medicare billing, Minnesota enrollment
- 218 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Abbott Northwestern Hospital
Acute Care Hospitals · Minneapolis, MNAllina Health Faribault Medical Center
Acute Care Hospitals · Faribault, MNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55407 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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Thomas Horejsi's NPI number?
The NPI number for Thomas Horejsi is 1952345597. It was assigned to this individual provider in the NPPES registry on June 15, 2006.
Where is Thomas Horejsi located?
Thomas Horejsi practices at 800 E 28th St # Mr 11112, Minneapolis, MN 55407. The listed phone number is (612) 863-4233.
What is Thomas Horejsi's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Thomas Horejsi enrolled in Medicare?
Yes. Thomas Horejsi 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 Thomas Horejsi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Horejsi reassigns Medicare benefits to 2 organizations: Allina Health System (Minneapolis, MN) and Emergency Care Consultants, PA (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 Thomas Horejsi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Thomas Horejsi affiliated with any hospitals?
According to CMS data, Thomas Horejsi is affiliated with Abbott Northwestern Hospital and Allina Health Faribault Medical Center.
When was this NPI record last updated?
The NPPES record for Thomas Horejsi was last updated on January 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months 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.
# Thomas G Horejsi, MD · NPI 1952345597
Emergency Medicine physician in Minneapolis, Minnesota. Individual provider, active in the CMS NPPES registry since June 15, 2006.
## Identity
- **NPI:** 1952345597 (Entity type: Individual)
- **Enumerated:** June 15, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 43668 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 800 E 28TH ST # MR 11112, Minneapolis, MN 55407-3723
- **Phone:** (612) 863-4233
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Allina Health System (NPI 1053354985, Minneapolis, MN); Emergency Care Consultants, PA (NPI 1669422788, Minneapolis, MN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Minnesota Medical School, class of 2000
## Record status
- **NPPES last updated:** January 21, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1952345597) · Data from the CMS NPPES public registry.