STEPHANIE ONSTAD FNP, APNP
NPI 1982452116
Nurse Practitioner - Family in Mount Pleasant, WI
About Stephanie Onstad Fnp, Apnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHANIE ONSTAD FNP, APNP (NPI 1982452116) is an individual family provider in Mount Pleasant, Wisconsin, licensed in Wisconsin (15180-33) and active in the NPI registry since May 2024. She is enrolled in Medicare PECOS, is affiliated with Mercy Health System Corp, 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
Stephanie Onstad Fnp, Apnp 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
3Medicare enrollment records show Stephanie Onstad reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mt Pleasant, WI 53406
- Reassigned Medicare billing, Wisconsin enrollment
- 11 clinicians in this Medicare group
Mount Pleasant, WI 53406
- Reassigned Medicare billing, Wisconsin enrollment
- 10 clinicians in this Medicare group
Janesville, WI 53548
- Reassigned Medicare billing, Wisconsin enrollment
- 1,155 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.
Mercy Health System Corp
Acute Care Hospitals · Janesville, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53406 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MOUNT PLEASANT, WI 53406
MT PLEASANT, WI 53406
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 Stephanie Onstad's NPI number?
The NPI number for Stephanie Onstad is 1982452116. It was assigned to this individual provider in the NPPES registry on May 13, 2024.
Where is Stephanie Onstad located?
Stephanie Onstad practices at 5439 Durand Ave Ste 100, Mount Pleasant, WI 53406. The listed phone number is (262) 898-9000.
What is Stephanie Onstad's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Stephanie Onstad enrolled in Medicare?
Yes. Stephanie Onstad 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 Stephanie Onstad's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Onstad reassigns Medicare benefits to 3 organizations: Acs Wounds LLC (Mt Pleasant, WI), Bsh, Sc (Mount Pleasant, WI) and Mercy Health System Corporation (Janesville, 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 Stephanie Onstad's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephanie Onstad accept?
Health plans from Anthem Blue Cross and Blue Shield, MercyCare and MercyCare Health Plans list Stephanie Onstad 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 Stephanie Onstad affiliated with any hospitals?
According to CMS data, Stephanie Onstad is affiliated with Mercy Health System Corp.
When was this NPI record last updated?
The NPPES record for Stephanie Onstad was last updated on May 13, 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.