KATHLEEN MESSMAN CPNP-PC, RN
NPI 1659874907
Nurse Practitioner - Pediatrics in Madison, WI

Q: What is Kathleen Messman's NPI number?

The NPI number for Kathleen Messman is 1659874907. It was assigned to this individual provider in the NPPES registry on March 13, 2018.

Q: What is Kathleen Messman's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Q: When was this NPI record last updated?

The NPPES record for Kathleen Messman was last updated on May 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.

Active since March 13, 2018PECOS Enrolled

1675 HIGHLAND AVE, MADISON, WI 53792(608) 915-0620 Get Directions Write a Review

NPPES record last updated: May 29, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 29, 2025, Dec 22, 2022, Mar 13, 2018 (3 updates tracked since 2018).

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About Kathleen Messman Cpnp-pc, Rn NPPES

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

KATHLEEN MESSMAN CPNP-PC, RN (NPI 1659874907) is an individual pediatrics provider in Madison, Wisconsin, licensed in Wisconsin (16609-33) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659874907

Entity TypeIndividualFemale

Primary Taxonomy363LP0200X

Provider Legal NameKATHLEEN MESSMANCredential: CPNP-PC, RN

Location Address1675 HIGHLAND AVEMadison, WI 53792-3901

Mailing Address7974 Uw Health CtMiddleton, WI 53562-5531

Phone(608) 915-0620

Sole ProprietorYes

Enumeration DateMarch 13, 2018

Last NPPES UpdateMay 29, 20253 updates tracked since enumeration

NPPES CertifiedMay 29, 2025

✔ NPI 1659874907 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0200X

Licenses✔ Licensed in WI · 16609-33✔ Licensed in WA · AP61372601

1675 HIGHLAND AVE, Madison, WI 53792

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kathleen Messman Cpnp-pc, Rn 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 Messman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of Wisconsin Medical Foundation, Inc

4.8 mi

Multi-Specialty

7974 UW HEALTH COURT
Middleton, WI 53562

Reassigned Medicare billing, Wisconsin enrollment
2,832 clinicians in this Medicare group

NPI 1598784555 (608) 829-5485

Seattle Children's Hospital

1,617 mi

Specialist

4800 SAND POINT WAY NE
Seattle, WA 98105

Reassigned Medicare billing, Washington enrollment
Medicare enrollment name: Seattle Childrens Hospital
912 clinicians in this Medicare group

NPI 1003319500 (206) 987-2000

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 53792 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.

ERIN VAN SAMBEEK ERNST RN IBCLC

Registered Nurse (Lactation Consultant)