TESSA LUCILLE MERSBERGER APNP
NPI 1689432783
Nurse Practitioner in Beloit, WI
About Tessa Lucille Mersberger Apnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TESSA LUCILLE MERSBERGER APNP (NPI 1689432783) is an individual nurse practitioner in Beloit, Wisconsin, licensed in Wisconsin (15148-33) and active in the NPI registry since March 2024. She is enrolled in Medicare PECOS, is affiliated with Fort Memorial Hospital, and is a graduate of Other (2023).
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
Tessa Lucille Mersberger 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
4Medicare enrollment records show Tessa Mersberger reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Beloit, WI 53511
- Reassigned Medicare billing, Wisconsin enrollment
- 110 clinicians in this Medicare group
Milton, WI 53563
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1083310908 (Wisconsin)
- 83 clinicians in this Medicare group
Stoughton, WI 53589
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1679558647 (Wisconsin)
- 86 clinicians in this Medicare group
Fort Atkinson, WI 53538
- Reassigned Medicare billing, Wisconsin enrollment
- 67 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Fort Memorial Hospital
Acute Care Hospitals · Fort Atkinson, WIStoughton Hospital
Critical Access Hospitals · Stoughton, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53511 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.
BELOIT, WI 53511
BELOIT, WI 53511
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 Tessa Mersberger's NPI number?
The NPI number for Tessa Mersberger is 1689432783. It was assigned to this individual provider in the NPPES registry on March 12, 2024.
Where is Tessa Mersberger located?
Tessa Mersberger practices at 1969 W Hart Rd, Beloit, WI 53511. The listed phone number is (405) 696-7932.
What is Tessa Mersberger's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Tessa Mersberger enrolled in Medicare?
Yes. Tessa Mersberger 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 Tessa Mersberger's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tessa Mersberger reassigns Medicare benefits to 4 organizations: Southern Wisconsin Emergency Associates Sc (Beloit, WI), Edgerton Hospital And Health Services, Inc. (Milton, WI), Stoughton Hospital Association (Stoughton, WI) and Swea Fort Sc (Fort Atkinson, 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 Tessa Mersberger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tessa Mersberger accept?
Health plans from Anthem Blue Cross and Blue Shield and Group Health Cooperative-SCW list Tessa Mersberger 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 Tessa Mersberger affiliated with any hospitals?
According to CMS data, Tessa Mersberger is affiliated with Fort Memorial Hospital and Stoughton Hospital.
When was this NPI record last updated?
The NPPES record for Tessa Mersberger was last updated on March 12, 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.
# Tessa Lucille Mersberger, APNP · NPI 1689432783
Nurse Practitioner physician in Beloit, Wisconsin. Individual provider, active in the CMS NPPES registry since March 12, 2024.
## Identity
- **NPI:** 1689432783 (Entity type: Individual)
- **Enumerated:** March 12, 2024
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 15148-33 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1969 W HART RD, Beloit, WI 53511-2230
- **Phone:** (405) 696-7932
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Southern Wisconsin Emergency Associates Sc (NPI 1568538189, Beloit, WI); Edgerton Hospital And Health Services, Inc. (NPI 1326192261, Milton, WI); Stoughton Hospital Association (NPI 1437296456, Stoughton, WI); Swea Fort Sc (NPI 1295552065, Fort Atkinson, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** March 12, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1689432783) · Data from the CMS NPPES public registry.