SHELBY A MARQUARDT NP
NPI 1730984725
Nurse Practitioner - Psychiatric/Mental Health in Hillsboro, WI
About Shelby A Marquardt Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHELBY A MARQUARDT NP (NPI 1730984725) is an individual psychiatric/mental health provider in Hillsboro, Wisconsin, licensed in Wisconsin (16471-33) and active in the NPI registry since February 2025. She is enrolled in Medicare PECOS, is affiliated with Gundersen St Josephs Hospital And Clinics, and is a graduate of Other (2024).
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
Shelby A Marquardt Np 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
2Medicare enrollment records show Shelby Marquardt reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hillsboro, WI 54634
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: St Josephs Health Services Inc
- 282 clinicians in this Medicare group
Onalaska, WI 54650
- Reassigned Medicare billing, Wisconsin enrollment
- 1,457 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Gundersen St Josephs Hospital And Clinics
Critical Access Hospitals · Hillsboro, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54634 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Shelby Marquardt's NPI number?
The NPI number for Shelby Marquardt is 1730984725. It was assigned to this individual provider in the NPPES registry on February 14, 2025.
Where is Shelby Marquardt located?
Shelby Marquardt practices at 400 Water Ave, Hillsboro, WI 54634. The listed phone number is (608) 489-8000.
What is Shelby Marquardt's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Shelby Marquardt enrolled in Medicare?
Yes. Shelby Marquardt 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 Shelby Marquardt's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shelby Marquardt reassigns Medicare benefits to 2 organizations: St. Joseph's Health Services, Inc. (Hillsboro, WI) and Gundersen Lutheran Medical Center, Inc (Onalaska, 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 Shelby Marquardt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Shelby Marquardt accept?
Health plans from Aspirus Health Plan, Dean Health Plan, HealthPartners, Quartz and Security Health Plan list Shelby Marquardt 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 Shelby Marquardt affiliated with any hospitals?
According to CMS data, Shelby Marquardt is affiliated with Gundersen St Josephs Hospital And Clinics.
When was this NPI record last updated?
The NPPES record for Shelby Marquardt was last updated on September 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 47 days 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.
# Shelby A Marquardt, NP · NPI 1730984725
Psychiatric/Mental Health physician in Hillsboro, Wisconsin. Individual provider, active in the CMS NPPES registry since February 14, 2025.
## Identity
- **NPI:** 1730984725 (Entity type: Individual)
- **Enumerated:** February 14, 2025
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 16471-33 (Wisconsin)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 400 WATER AVE, Hillsboro, WI 54634-9054
- **Phone:** (608) 489-8000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): St. Joseph's Health Services, Inc. (NPI 1972591410, Hillsboro, WI); Gundersen Lutheran Medical Center, Inc (NPI 1225372923, Onalaska, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** September 11, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1730984725) · Data from the CMS NPPES public registry.