MITCHELL RICHARD MALECHA MD
NPI 1083356166
Anesthesiology in La Crosse, WI

Active since April 10, 2022PECOS EnrolledAccepts Medicare Assignment
1836 SOUTH AVE, LA CROSSE, WI 54601(608) 782-7300 Get Directions Write a Review

NPPES record last updated: August 24, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 24, 2026, Jul 13, 2023, Apr 10, 2022 (3 updates tracked since 2022).

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

NPI1083356166
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameMITCHELL RICHARD MALECHACredential: MD
Location Address1836 SOUTH AVELa Crosse, WI 54601-5429
Mailing Address1836 South AveLa Crosse, WI 54601-5429 · (608) 782-7300
Sole ProprietorNo
Medical School CMSUniversity Of Minnesota Medical SchoolGraduated 2022
Enumeration DateApril 10, 2022
Last NPPES UpdateAugust 24, 20263 updates tracked since enumeration
NPPES CertifiedAugust 24, 2026
✔ NPI 1083356166 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in WI · 87519-20✔ Licensed in MN · 74674
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
1836 SOUTH AVE, La Crosse, WI 54601

Secondary Practice Location 1

Location 1200 1st St SWRochester, MN 55905-0001 · Phone (507) 284-2511

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.

PECOS PAC ID7911389960
PECOS Enrollment IDI20230816000545
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare 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.

Clinic/Center
1836 SOUTH AVE
La Crosse, WI 54601
  • Reassigned Medicare billing, Wisconsin and Minnesota enrollments
  • Also billed through NPI 1376593442 (Minnesota)
  • 1,457 clinicians in this Medicare group
Infectious Disease
200 1ST ST SW
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.

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
14 services14 patients

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, MN
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number240010
Location1216 Second Street SouthwestRochester, MN 55902 · Olmsted County
Emergency services Birthing friendly

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.

Anesthesiology
1836 SOUTH AVE, GUNDERSEN CLINIC, LTD.
LA CROSSE, WI 54601
Nurse Anesthetist, Certified Registered
1836 SOUTH AVE
LA CROSSE, WI 54601
Psychologist
1836 SOUTH AVE
LA CROSSE, WI 54601
Surgery
1836 SOUTH AVE
LA CROSSE, WI 54601
Nurse Practitioner (Adult Health)
1836 SOUTH AVE
LA CROSSE, WI 54601
Orthopaedic Surgery
1836 SOUTH AVE
LA CROSSE, WI 54601
Registered Nurse (Addiction (Substance Use Disorder))
1836 SOUTH AVE
LA CROSSE, WI 54601
Nurse Practitioner (Family)
1836 SOUTH AVE
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.