STEPHANIE ONSTAD FNP, APNP
NPI 1982452116
Nurse Practitioner - Family in Mount Pleasant, WI

Active since May 13, 2024PECOS EnrolledAccepts Medicare Assignment
5439 DURAND AVE STE 100, MOUNT PLEASANT, WI 53406(262) 898-9000 Get Directions Write a Review

NPPES record last updated: May 13, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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

NPI1982452116
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameSTEPHANIE ONSTADCredential: FNP, APNP
Location Address5439 DURAND AVE STE 100Mount Pleasant, WI 53406-5058
Mailing Address5439 Durand Ave Ste 100Mount Pleasant, WI 53406-5058
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateMay 13, 2024
NPPES CertifiedMay 12, 2024
✔ NPI 1982452116 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in WI · 15180-33
5439 DURAND AVE STE 100, Mount Pleasant, WI 53406

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.

PECOS PAC ID840722245
PECOS Enrollment IDI20241010000092
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

3

Medicare 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.

Same address
Undersea and Hyperbaric Medicine
5439 DURAND AVE STE 100
Mt Pleasant, WI 53406
  • Reassigned Medicare billing, Wisconsin enrollment
  • 11 clinicians in this Medicare group
Same address
Family Medicine
5439 DURAND AVE STE 100
Mount Pleasant, WI 53406
  • Reassigned Medicare billing, Wisconsin enrollment
  • 10 clinicians in this Medicare group
Mental Health (Including Community Mental Health Center)
903 MINERAL POINT AVE
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, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520066
Location1000 Mineral Point AveJanesville, WI 53548 · Rock County
Emergency services Birthing friendly

Physician 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.

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 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
5439 DURAND AVE STE 100
MOUNT PLEASANT, WI 53406
Dermatology
5439 DURAND AVE STE 100
MOUNT PLEASANT, WI 53406
Chiropractor
5439 DURAND AVE STE 100
MT PLEASANT, WI 53406
Physical Medicine & Rehabilitation
5439 DURAND AVE STE 100
MOUNT PLEASANT, WI 53406
Family Medicine
5439 DURAND AVE STE 100
MOUNT PLEASANT, WI 53406
Preventive Medicine (Undersea and Hyperbaric Medicine)
5439 DURAND AVE STE 100
MT PLEASANT, WI 53406
Chiropractor
5439 DURAND AVE STE 100
MOUNT PLEASANT, WI 53406
Nurse Practitioner (Family)
5439 DURAND AVE STE 100
MOUNT 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.