MITCHELL RICHARD MALECHA MD
NPI 1083356166
Anesthesiology in La Crosse, WI
About Mitchell Richard Malecha Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MITCHELL RICHARD MALECHA MD (NPI 1083356166) is an individual anesthesiology provider in La Crosse, Wisconsin, licensed in Wisconsin (87519-20) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Hospital Rochester, and maintains a secondary practice location in Rochester.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Mitchell Richard Malecha 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 Mitchell Malecha reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
La Crosse, WI 54601
- Reassigned Medicare billing, Wisconsin and Minnesota enrollments
- Also billed through NPI 1376593442 (Minnesota)
- 1,457 clinicians in this Medicare group
Rochester, MN 55905
- Reassigned Medicare billing, Minnesota enrollment
- 6,534 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
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mayo Clinic Hospital Rochester
Acute Care Hospitals · Rochester, MNOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LA CROSSE, WI 54601
LA CROSSE, WI 54601
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 Mitchell Malecha's NPI number?
The NPI number for Mitchell Malecha is 1083356166. It was assigned to this individual provider in the NPPES registry on April 10, 2022.
Where is Mitchell Malecha located?
Mitchell Malecha practices at 1836 South Ave, La Crosse, WI 54601. The listed phone number is (608) 782-7300.
What is Mitchell Malecha's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Mitchell Malecha enrolled in Medicare?
Yes. Mitchell Malecha 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 Mitchell Malecha's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mitchell Malecha reassigns Medicare benefits to 2 organizations: Gundersen Lutheran Medical Center, Inc (La Crosse, WI) and Mayo Clinic (Rochester, 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 Mitchell Malecha's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mitchell Malecha affiliated with any hospitals?
According to CMS data, Mitchell Malecha is affiliated with Mayo Clinic Hospital Rochester.
When was this NPI record last updated?
The NPPES record for Mitchell Malecha was last updated on August 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.