JOHN MATTHEW LESCHKE MD
NPI 1164798393
Neurological Surgery in Appleton, WI
About John Matthew Leschke Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN MATTHEW LESCHKE MD (NPI 1164798393) is an individual neurological surgery provider in Appleton, Wisconsin, licensed in Wisconsin (61977-20) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, is affiliated with Lutheran Hospital Of Indiana, and is a graduate of Medical College Of Wisconsin (2012).
NPPES Registry Identity
Specialties & Licenses
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
John Matthew Leschke 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 John Leschke reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Appleton, WI 54913
- Reassigned Medicare billing, Wisconsin enrollment
- 4 clinicians in this Medicare group
Green Bay, WI 54311
- Reassigned Medicare billing, Wisconsin enrollment
- 275 clinicians in this Medicare group
Big Lake, MN 55309
- Reassigned Medicare billing, Minnesota enrollment
- 1,051 clinicians in this Medicare group
Fort Wayne, IN 46804
- Reassigned Medicare billing, Indiana enrollment
- 301 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 6
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lutheran Hospital Of Indiana
Acute Care Hospitals · Fort Wayne, INAscension NE Wisconsin - St Elizabeth Campus
Acute Care Hospitals · Appleton, WIBellin Memorial Hospital
Acute Care Hospitals · Green Bay, WIDoor County Medical Center
Critical Access Hospitals · Sturgeon Bay, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54915 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.
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 John Leschke's NPI number?
The NPI number for John Leschke is 1164798393. It was assigned to this individual provider in the NPPES registry on April 2, 2012.
Where is John Leschke located?
John Leschke practices at 1611 S Madison St Unit 110, Appleton, WI 54915. The listed phone number is (920) 939-7868.
What is John Leschke's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is John Leschke enrolled in Medicare?
Yes. John Leschke 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 John Leschke's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Leschke reassigns Medicare benefits to 4 organizations: Spine Capital Wisconsin LLC (Appleton, WI), Baycare Clinic LLP (Green Bay, WI), Centracare Clinic (Big Lake, MN) and Lutheran Medical Group LLC (Fort Wayne, IN). 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 John Leschke's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Leschke accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource (Common Ground Healthcare) and 4 other insurers list John Leschke 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 John Leschke affiliated with any hospitals?
According to CMS data, John Leschke is affiliated with Lutheran Hospital Of Indiana, Ascension NE Wisconsin - St Elizabeth Campus, Bellin Memorial Hospital and Door County Medical Center.
When was this NPI record last updated?
The NPPES record for John Leschke was last updated on July 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# John Matthew Leschke, MD · NPI 1164798393
Neurological Surgery physician in Appleton, Wisconsin. Individual provider, active in the CMS NPPES registry since April 2, 2012.
## Identity
- **NPI:** 1164798393 (Entity type: Individual)
- **Enumerated:** April 2, 2012
- **Primary specialty:** Neurological Surgery · taxonomy 207T00000X
- **State license:** 61977-20 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1611 S MADISON ST UNIT 110, Appleton, WI 54915-1844
- **Phone:** (920) 939-7868 · **Fax:** (920) 939-7869
## 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): Spine Capital Wisconsin LLC (NPI 1104621044, Appleton, WI); Baycare Clinic LLP (NPI 1588609648, Green Bay, WI); Centracare Clinic (NPI 1013104348, Big Lake, MN); Lutheran Medical Group LLC (NPI 1164662805, Fort Wayne, IN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Wisconsin, class of 2012
## Record status
- **NPPES last updated:** July 15, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1164798393) · Data from the CMS NPPES public registry.