STEVEN CRAIG MAHNKE MD
NPI 1487304507
Emergency Medicine in Rochester, MN
About Steven Craig Mahnke Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN CRAIG MAHNKE MD (NPI 1487304507) is an individual emergency medicine provider in Rochester, Minnesota, licensed in Minnesota (74673) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, is affiliated with Olmsted Medical Center, and is a graduate of Washington State University Elson S Floyd College Of Medicine (2022).
NPPES Registry Identity
Specialties & Licenses
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
Steven Craig Mahnke 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
4Medicare enrollment records show Steven Mahnke reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rochester, MN 55904
- Reassigned Medicare billing, Minnesota enrollment
- 379 clinicians in this Medicare group
Rochester, MN 55905
- Reassigned Medicare billing, Minnesota enrollment
- 6,534 clinicians in this Medicare group
Red Wing, MN 55066
- Reassigned Medicare billing, Minnesota enrollment
- 1,571 clinicians in this Medicare group
Waseca, MN 56093
- Reassigned Medicare billing, Minnesota enrollment
- 1,572 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.
Olmsted Medical Center
Acute Care Hospitals · Rochester, MNMayo Clinic Hospital Rochester
Acute Care Hospitals · Rochester, MNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55904 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Steven Mahnke's NPI number?
The NPI number for Steven Mahnke is 1487304507. It was assigned to this individual provider in the NPPES registry on March 24, 2022.
Where is Steven Mahnke located?
Steven Mahnke practices at 1650 4th St SE, Rochester, MN 55904. The listed phone number is (507) 529-6600.
What is Steven Mahnke's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Steven Mahnke enrolled in Medicare?
Yes. Steven Mahnke 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 Steven Mahnke's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Mahnke reassigns Medicare benefits to 4 organizations: Olmsted Medical Center (Rochester, MN), Mayo Clinic (Rochester, MN), Mayo Clinic Health System-Southeast Minnesota Region (Red Wing, MN) and Mayo Clinic Health System-Southwest Minnesota Region (Waseca, 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 Steven Mahnke's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Steven Mahnke affiliated with any hospitals?
According to CMS data, Steven Mahnke is affiliated with Olmsted Medical Center and Mayo Clinic Hospital Rochester.
When was this NPI record last updated?
The NPPES record for Steven Mahnke was last updated on March 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Steven Craig Mahnke, MD · NPI 1487304507
Emergency Medicine physician in Rochester, Minnesota. Individual provider, active in the CMS NPPES registry since March 24, 2022.
## Identity
- **NPI:** 1487304507 (Entity type: Individual)
- **Enumerated:** March 24, 2022
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 74673 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 1650 4TH ST SE, Rochester, MN 55904-4717
- **Phone:** (507) 529-6600
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Olmsted Medical Center (NPI 1538112131, Rochester, MN); Mayo Clinic (NPI 1114343860, Rochester, MN); Mayo Clinic Health System-Southeast Minnesota Region (NPI 1114453883, Red Wing, MN); Mayo Clinic Health System-Southwest Minnesota Region (NPI 1518494251, Waseca, MN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Washington State University Elson S Floyd College Of Medicine, class of 2022
## Record status
- **NPPES last updated:** March 25, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1487304507) · Data from the CMS NPPES public registry.