DR. KARL JOHN RUPP LAFLEUR MD
NPI 1437649316
Emergency Medicine in Saint Paul, MN
About Dr. Karl John Rupp Lafleur Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KARL JOHN RUPP LAFLEUR MD (NPI 1437649316) is an individual emergency medicine provider in Saint Paul, Minnesota, licensed in Minnesota (68890) and active in the NPI registry since May 2018. He is enrolled in Medicare PECOS, is affiliated with University Medical Center-mesabi/ Mesaba Clinics, and maintains 5 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 5
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
Dr. Karl John Rupp Lafleur 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
8Medicare enrollment records show Karl Lafleur reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Paul, MN 55101
- Reassigned Medicare billing, Minnesota enrollment
- 393 clinicians in this Medicare group
Stillwater, MN 55082
- Reassigned Medicare billing, Minnesota enrollment
- 94 clinicians in this Medicare group
Hudson, WI 54016
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1396849303 (Wisconsin)
- 158 clinicians in this Medicare group
New Richmond, WI 54017
- Reassigned Medicare billing, Wisconsin enrollment
- 357 clinicians in this Medicare group
Saint Croix Falls, WI 54024
- Reassigned Medicare billing, Wisconsin enrollment
- 453 clinicians in this Medicare group
Amery, WI 54001
- Reassigned Medicare billing, Wisconsin enrollment
- 348 clinicians in this Medicare group
Grand Rapids, MN 55744
- Reassigned Medicare billing, Minnesota enrollment
- 555 clinicians in this Medicare group
Hibbing, MN 55746
- Reassigned Medicare billing, Minnesota enrollment
- 707 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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Medical Center-Mesabi/ Mesaba Clinics
Acute Care Hospitals · Hibbing, MNLakeview Memorial Hospital
Acute Care Hospitals · Stillwater, MNRegions Hospital
Acute Care Hospitals · Saint Paul, MNHudson Hospital
Critical Access Hospitals · Hudson, WISt Croix Regional Medical Center
Critical Access Hospitals · Saint Croix Falls, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55101 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.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
SAINT PAUL, MN 55101
ST PAUL, MN 55101
ST PAUL, MN 55101
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 Karl Lafleur's NPI number?
The NPI number for Karl Lafleur is 1437649316. It was assigned to this individual provider in the NPPES registry on May 16, 2018.
Where is Karl Lafleur located?
Karl Lafleur practices at 640 Jackson St, Saint Paul, MN 55101. The listed phone number is (651) 254-3456.
What is Karl Lafleur's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Karl Lafleur enrolled in Medicare?
Yes. Karl Lafleur 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 Karl Lafleur's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karl Lafleur reassigns Medicare benefits to 8 organizations: Regions Hospital (Saint Paul, MN), Lakeview Memorial Hospital Association Inc. (Stillwater, MN), Hudson Hospital, Inc. (Hudson, WI), Westfields Hospital, Inc. (New Richmond, WI), St. Croix Regional Medical Center (Saint Croix Falls, WI) and 3 more organizations, listed in the Medicare section above. 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 Karl Lafleur's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Karl Lafleur affiliated with any hospitals?
According to CMS data, Karl Lafleur is affiliated with University Medical Center-Mesabi/ Mesaba Clinics, Lakeview Memorial Hospital, Regions Hospital, Hudson Hospital and St Croix Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Karl Lafleur was last updated on January 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Karl John Rupp Lafleur, MD · NPI 1437649316
Emergency Medicine physician in Saint Paul, Minnesota. Individual provider, active in the CMS NPPES registry since May 16, 2018.
## Identity
- **NPI:** 1437649316 (Entity type: Individual)
- **Enumerated:** May 16, 2018
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 68890 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 640 JACKSON ST, Saint Paul, MN 55101-2502
- **Phone:** (651) 254-3456
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Regions Hospital (NPI 1154359917, Saint Paul, MN); Lakeview Memorial Hospital Association Inc. (NPI 1821114729, Stillwater, MN); Hudson Hospital, Inc. (NPI 1255532875, Hudson, WI); Westfields Hospital, Inc. (NPI 1881640183, New Richmond, WI); St. Croix Regional Medical Center (NPI 1043240922, Saint Croix Falls, WI); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Minnesota Medical School, class of 2018
## Record status
- **NPPES last updated:** January 21, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1437649316) · Data from the CMS NPPES public registry.