MARK LINUS LEITSCHUH MD
NPI 1336217066
Internal Medicine - Cardiovascular Disease in Mequon, WI

Active since December 01, 2006PECOS Enrolled
81.48/100
CMS Quality Rating
13133 N PORT WASHINGTON RD, SUITE 122, MEQUON, WI 53097(262) 243-3700(262) 243-3701 Get Directions Write a Review

NPPES record last updated: June 12, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mark Linus Leitschuh Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK LINUS LEITSCHUH MD (NPI 1336217066) is an individual cardiovascular disease provider in Mequon, Wisconsin, licensed in Wisconsin (31195) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1336217066
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameMARK LINUS LEITSCHUHCredential: MD
Location Address13133 N PORT WASHINGTON RD, SUITE 122Mequon, WI 53097-2419
Mailing Address4425 N Port Washington Rd, Attn: Csmcp Clinic CredentialingGlendale, WI 53212-1082 · (262) 243-3700 · Fax (262) 243-3701
Fax(262) 243-3701
Sole ProprietorNo
Enumeration DateDecember 1, 2006
Last NPPES UpdateJune 12, 2012
✔ NPI 1336217066 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in WI · 31195
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
13133 N PORT WASHINGTON RD, Mequon, WI 53097

Other Identifiers 3

Medicaid31602900WI
Medicare UPINE68432
Medicare ID-Type Unspecified000073893WI

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark Linus Leitschuh Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Mark Leitschuh reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
13111 N PORT WASHINGTON RD
Mequon, WI 53097
  • Reassigned Medicare billing, Wisconsin enrollment
  • Medicare enrollment name: Columbia St Marys Hospital Milwaukee Inc
  • 856 clinicians in this Medicare group
General Practice
788 N JEFFERSON STREET, SUITES 201,300, 401
Milwaukee, WI 53202
  • Reassigned Medicare billing, Wisconsin enrollment
  • 84 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53097 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
Established Patient
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

81.48/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality88.39
Promoting Interoperability100
Improvement Activities40
Cost49.87

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.

Nurse Practitioner (Gerontology)
13133 N PORT WASHINGTON RD, SUITE 122
MEQUON, WI 53097
Specialist
13133 N PORT WASHINGTON RD, SUITE 104
MEQUON, WI 53097
Physician Assistant
13133 N PORT WASHINGTON RD, SUITE 104
MEQUON, WI 53097
Internal Medicine (Gastroenterology)
13133 N PORT WASHINGTON RD, SUITE G16
MEQUON, WI 53097
Internal Medicine (Cardiovascular Disease)
13133 N PORT WASHINGTON RD, SUITE 11
MEQUON, WI 53097
Internal Medicine
13133 N PORT WASHINGTON RD, SUITE G18
MEQUON, WI 53097
Nurse Practitioner
13133 N PORT WASHINGTON RD, SUITE G-18
MEQUON, WI 53097
Nurse Practitioner (Adult Health)
13133 N PORT WASHINGTON RD
MEQUON, WI 53097

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 Mark Leitschuh's NPI number?

The NPI number for Mark Leitschuh is 1336217066. It was assigned to this individual provider in the NPPES registry on December 1, 2006.

Where is Mark Leitschuh located?

Mark Leitschuh practices at 13133 N Port Washington Rd Suite 122, Mequon, WI 53097. The listed phone number is (262) 243-3700.

What is Mark Leitschuh's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Mark Leitschuh enrolled in Medicare?

Yes. Mark Leitschuh is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mark Leitschuh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Leitschuh reassigns Medicare benefits to 2 organizations: Columbia St. Mary's Hospital Milwaukee, Inc (Mequon, WI) and Madison Medical Affiliates, Inc. (Milwaukee, 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 Mark Leitschuh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mark Leitschuh was last updated on June 12, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.