STEFAN LEROY KAISER MD
NPI 1609037324
Preventive Medicine - Occupational Medicine in Virginia, MN
About Stefan Leroy Kaiser Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEFAN LEROY KAISER MD (NPI 1609037324) is an individual occupational medicine provider in Virginia, Minnesota, licensed in Minnesota (53591) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with Essentia Health Duluth, and is a graduate of Loma Linda University School Of Medicine (2006).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Stefan Leroy Kaiser 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 Stefan Kaiser reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Virginia, MN 55792
- Reassigned Medicare billing, Minnesota enrollment
- 1,460 clinicians in this Medicare group
Superior, WI 54880
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: St Marys Hospital Of Superior
- 381 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Essentia Health Duluth
Acute Care Hospitals · Duluth, MNEssentia Health Virginia
Acute Care Hospitals · Virginia, MNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55792 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Stefan Kaiser's NPI number?
The NPI number for Stefan Kaiser is 1609037324. It was assigned to this individual provider in the NPPES registry on June 25, 2008.
Where is Stefan Kaiser located?
Stefan Kaiser practices at 1101 9th St. N Essentia Health Virginia Clinic, Virginia, MN 55792. The listed phone number is (218) 741-0150.
What is Stefan Kaiser's specialty?
The primary specialty registered for this NPI is Preventive Medicine, specializing in Occupational Medicine, with taxonomy code 2083X0100X.
Is Stefan Kaiser enrolled in Medicare?
Yes. Stefan Kaiser 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 Stefan Kaiser's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stefan Kaiser reassigns Medicare benefits to 2 organizations: The Duluth Clinic, Ltd (Virginia, MN) and St. Mary's Hospital Of Superior (Superior, WI). 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 Stefan Kaiser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stefan Kaiser accept?
Health plans from HealthPartners, Medica, Sanford Health Plan and Security Health Plan list Stefan Kaiser 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 Stefan Kaiser affiliated with any hospitals?
According to CMS data, Stefan Kaiser is affiliated with Essentia Health Duluth and Essentia Health Virginia.
When was this NPI record last updated?
The NPPES record for Stefan Kaiser was last updated on May 9, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Stefan Leroy Kaiser, MD · NPI 1609037324
Occupational Medicine physician in Virginia, Minnesota. Individual provider, active in the CMS NPPES registry since June 25, 2008.
## Identity
- **NPI:** 1609037324 (Entity type: Individual)
- **Enumerated:** June 25, 2008
- **Primary specialty:** Preventive Medicine - Occupational Medicine · taxonomy 2083X0100X
- **State license:** 53591 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 1101 9TH ST. N, ESSENTIA HEALTH VIRGINIA CLINIC, Virginia, MN 55792
- **Phone:** (218) 741-0150
## 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): The Duluth Clinic, Ltd (NPI 1457387441, Virginia, MN); St. Mary's Hospital Of Superior (NPI 1083657886, Superior, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loma Linda University School Of Medicine, class of 2006
## Record status
- **NPPES last updated:** May 9, 2011
- **Other identifiers:** Medicare PIN 840000127 (MN); Medicaid 1609037324 (MN); Medicare PIN 840000128 (MN)
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Source: [NPI Profile](https://npiprofile.com/npi/1609037324) · Data from the CMS NPPES public registry.