MARTHA ELIZABETH OLDENBURG STUDENT
NPI 1043933278
Nurse Practitioner in Stoughton, WI
About Martha Elizabeth Oldenburg Student NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARTHA ELIZABETH OLDENBURG STUDENT (NPI 1043933278) is an individual nurse practitioner in Stoughton, Wisconsin, licensed in Wisconsin (18046) and active in the NPI registry since September 2022. She is enrolled in Medicare PECOS, is affiliated with University Of Wi Hospitals & Clinics Authority, and is a graduate of Other (2025).
NPPES Registry Identity
Specialties & Licenses 4
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
Martha Elizabeth Oldenburg Student 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 Reassignment
Medicare enrollment records show Martha Oldenburg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Middleton, WI 53562
- Reassigned Medicare billing, Wisconsin enrollment
- 2,832 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Wi Hospitals & Clinics Authority
Acute Care Hospitals · Madison, WIStoughton Hospital
Critical Access Hospitals · Stoughton, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53589 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 9
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 Martha Oldenburg's NPI number?
The NPI number for Martha Oldenburg is 1043933278. It was assigned to this individual provider in the NPPES registry on September 22, 2022.
Where is Martha Oldenburg located?
Martha Oldenburg practices at 1001 Nygaard St, Stoughton, WI 53589. The listed phone number is (608) 877-2660.
What is Martha Oldenburg's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Martha Oldenburg enrolled in Medicare?
Yes. Martha Oldenburg 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 organization bills Medicare for Martha Oldenburg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Martha Oldenburg reassigns Medicare benefits to University Of Wisconsin Medical Foundation, Inc (Middleton, WI). The 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 Martha Oldenburg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Martha Oldenburg accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Group Health Cooperative-SCW, HealthPartners and Quartz and 1 other insurer list Martha Oldenburg 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 Martha Oldenburg affiliated with any hospitals?
According to CMS data, Martha Oldenburg is affiliated with University Of Wi Hospitals & Clinics Authority and Stoughton Hospital.
When was this NPI record last updated?
The NPPES record for Martha Oldenburg was last updated on April 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Martha Elizabeth Oldenburg, STUDENT · NPI 1043933278
Nurse Practitioner physician in Stoughton, Wisconsin. Individual provider, active in the CMS NPPES registry since September 22, 2022.
## Identity
- **NPI:** 1043933278 (Entity type: Individual)
- **Enumerated:** September 22, 2022
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 18046 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1001 NYGAARD ST, Stoughton, WI 53589-5495
- **Phone:** (608) 877-2660
## 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:** University Of Wisconsin Medical Foundation, Inc (NPI 1598784555, Middleton, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2025
## Record status
- **NPPES last updated:** April 9, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1043933278) · Data from the CMS NPPES public registry.