DR. CHRISTINA LYNNE NUSSBAUM M.D.
NPI 1518387885
Emergency Medicine in Waupaca, WI
About Dr. Christina Lynne Nussbaum M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHRISTINA LYNNE NUSSBAUM M.D. (NPI 1518387885) is an individual emergency medicine provider in Waupaca, Wisconsin, licensed in Wisconsin (85454) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS, is affiliated with Thedacare Regional Medical Center - Appleton Inc, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Other Identifiers 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
Dr. Christina Lynne Nussbaum M.d. 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
8Medicare enrollment records show Christina Nussbaum reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Waupaca, WI 54981
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1013995521 (Wisconsin)
- 110 clinicians in this Medicare group
Wild Rose, WI 54984
- Reassigned Medicare billing, Wisconsin enrollment
- 42 clinicians in this Medicare group
New London, WI 54961
- Reassigned Medicare billing, Wisconsin enrollment
- 56 clinicians in this Medicare group
Berlin, WI 54923
- Reassigned Medicare billing, Wisconsin enrollment
- 104 clinicians in this Medicare group
Appleton, WI 54911
- Reassigned Medicare billing, Wisconsin enrollment
- 35 clinicians in this Medicare group
Shawano, WI 54166
- Reassigned Medicare billing, Wisconsin enrollment
- 70 clinicians in this Medicare group
Windsor, NC 27983
- Reassigned Medicare billing, North Carolina enrollment
- 39 clinicians in this Medicare group
Greenville, NC 27834
- Reassigned Medicare billing, North Carolina enrollment
- 1,653 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 4
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Thedacare Regional Medical Center - Appleton Inc
Acute Care Hospitals · Appleton, WIThedacare Medical Center - New London
Critical Access Hospitals · New London, WIThedacare Medical Center-Waupaca
Critical Access Hospitals · Waupaca, WIBerlin Memorial Hospital
Critical Access Hospitals · Berlin, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54981 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
WAUPACA, WI 54981
WAUPACA, WI 54981
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 Christina Nussbaum's NPI number?
The NPI number for Christina Nussbaum is 1518387885. It was assigned to this individual provider in the NPPES registry on April 24, 2014.
Where is Christina Nussbaum located?
Christina Nussbaum practices at 800 Riverside Dr, Waupaca, WI 54981. The listed phone number is (715) 258-1000.
What is Christina Nussbaum's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Christina Nussbaum enrolled in Medicare?
Yes. Christina Nussbaum 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 Christina Nussbaum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christina Nussbaum reassigns Medicare benefits to 8 organizations: Thedacare Medical Center - Waupaca, Inc. (Waupaca, WI), Thedacare Medical Center - Wild Rose, Inc (Wild Rose, WI), Thedacare Medical Center - New London, Inc. (New London, WI), Thedacare Medical Center - Berlin, Inc. (Berlin, WI), Thedacare Regional Medical Center - Appleton, Inc. (Appleton, WI) and 3 more organizations, listed in the Medicare section above. 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 Christina Nussbaum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christina Nussbaum accept?
Health plans from CareSource (Common Ground Healthcare) list Christina Nussbaum 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 Christina Nussbaum affiliated with any hospitals?
According to CMS data, Christina Nussbaum is affiliated with Thedacare Regional Medical Center - Appleton Inc, Thedacare Medical Center - New London, Thedacare Medical Center-Waupaca and Berlin Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Christina Nussbaum was last updated on July 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Dr. Christina Lynne Nussbaum, M.D. · NPI 1518387885
Emergency Medicine physician in Waupaca, Wisconsin. Individual provider, active in the CMS NPPES registry since April 24, 2014.
## Identity
- **NPI:** 1518387885 (Entity type: Individual)
- **Enumerated:** April 24, 2014
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 85454 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 800 RIVERSIDE DR, Waupaca, WI 54981-1943
- **Phone:** (715) 258-1000 · **Fax:** (715) 258-1042
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Thedacare Medical Center - Waupaca, Inc. (NPI 1780782680, Waupaca, WI); Thedacare Medical Center - Wild Rose, Inc (NPI 1043263999, Wild Rose, WI); Thedacare Medical Center - New London, Inc. (NPI 1538127220, New London, WI); Thedacare Medical Center - Berlin, Inc. (NPI 1760413777, Berlin, WI); Thedacare Regional Medical Center - Appleton, Inc. (NPI 1902832306, Appleton, WI); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Wisconsin School Of Medicine, class of 2014
## Record status
- **NPPES last updated:** July 8, 2025
- **Other identifiers:** Other 19UA0 (NC); Other NN10190322 (NC); Medicaid 1518387885 (NC); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1518387885) · Data from the CMS NPPES public registry.