MS. KATHLEEN E MARQUART M.D.
NPI 1851563837
Pediatrics in Greenfield, WI

Q: What is Kathleen Marquart's NPI number?

The NPI number for Kathleen Marquart is 1851563837. It was assigned to this individual provider in the NPPES registry on March 30, 2008. The provider is also known as Ms. Kathleen E Welscher M.D..

Q: What is Kathleen Marquart's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Kathleen Marquart was last updated on April 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since March 30, 2008PECOS Enrolled

9000 W SURA LN, GREENFIELD, WI 53228(414) 246-6800 Get Directions Write a Review

NPPES record last updated: April 8, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 8, 2024, Dec 2, 2021, Mar 3, 2021 and 1 more (4 updates tracked since 2020).

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About Ms. Kathleen E Marquart M.d. NPPES

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

MS. KATHLEEN E MARQUART M.D. (NPI 1851563837) is an individual pediatrics provider in Greenfield, Wisconsin, licensed in Wisconsin (54348) and active in the NPI registry since March 2008. She is enrolled in Medicare PECOS and maintains a secondary practice location in La Crosse.

NPPES Registry Identity

NPI1851563837

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameMS. KATHLEEN E MARQUARTCredential: M.D.

Location Address9000 W SURA LNGreenfield, WI 53228-3477

Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250

Phone(414) 246-6800

Sole ProprietorNo

Enumeration DateMarch 30, 2008

Last NPPES UpdateApril 8, 20244 updates tracked since enumeration

NPPES CertifiedApril 8, 2024

✔ NPI 1851563837 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in WI · 54348

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Also ListedPediatrics · Pediatric EndocrinologyTaxonomy 2080P0205X · License 54348 (WI)

9000 W SURA LN, Greenfield, WI 53228

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Other Names 1

Former Name (1)Ms. Kathleen E Welscher M.d.

Secondary Practice Location 1

Location 11836 South AveLA Crosse, WI 54601-5429 · Phone (608) 782-7300

Other Identifiers 1

Medicaid100014437WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Kathleen E Marquart M.d. 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

Medicare enrollment records show Kathleen Marquart reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Gundersen Lutheran Medical Center Inc

1.8 mi

Clinic/Center

6150 W LAYTON AVE
Milwaukee, WI 53220

Reassigned Medicare billing, Wisconsin enrollment
1,457 clinicians in this Medicare group

NPI 1871222117 (608) 782-7300

Aurora Medical Group, Inc.

2.9 mi

Obstetrics & Gynecology

8905 W LINCOLN AVE, SUITE 515
West Allis, WI 53227

Reassigned Medicare billing, Wisconsin enrollment
4,609 clinicians in this Medicare group

NPI 1457592735 (414) 328-8650

Aurora Advanced Healthcare, Inc.

13 mi

Family Medicine

3003 W GOOD HOPE RD
Milwaukee, WI 53209

Reassigned Medicare billing, Wisconsin enrollment
1,615 clinicians in this Medicare group

NPI 1265629133 (414) 352-3100

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 53228 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

$82.92 typical visit price

range $53.90 – $163.24

Typical copayment $20.73 (range $13.47 – $40.81)

Most-billed visit code 99203

Established Patient

$95.41 typical visit price

range $17.40 – $133.76

Typical copayment $23.85 (range $4.35 – $33.44)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

STEPHANEY ANNE BUBLITZ OTR/L

Occupational Therapist