SOPHIA MARIE NIKOLAI MS, RD, CD
NPI 1760101638
Dietitian, Registered in Appleton, WI
About Sophia Marie Nikolai Ms, Rd, Cd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SOPHIA MARIE NIKOLAI MS, RD, CD (NPI 1760101638) is an individual dietitian, registered in Appleton, Wisconsin, licensed in Wisconsin (5009-29) and active in the NPI registry since August 2022. She maintains a secondary practice location in Oshkosh and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
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
Sophia Marie Nikolai Ms, Rd, Cd 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 Sophia Nikolai reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Appleton, WI 54915
- Reassigned Medicare billing, Wisconsin enrollment
- 194 clinicians in this Medicare group
Neenah, WI 54956
- Reassigned Medicare billing, Wisconsin enrollment
- 444 clinicians in this Medicare group
Green Bay, WI 54311
- Reassigned Medicare billing, Wisconsin enrollment
- 394 clinicians in this Medicare group
Sheboygan, WI 53081
- Reassigned Medicare billing, Wisconsin enrollment
- 4,609 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54915 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.
APPLETON, WI 54915
APPLETON, WI 54915
APPLETON, WI 54915
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 Sophia Nikolai's NPI number?
The NPI number for Sophia Nikolai is 1760101638. It was assigned to this individual provider in the NPPES registry on August 24, 2022. The provider is also known as Sophia Marie Bergner.
Where is Sophia Nikolai located?
Sophia Nikolai practices at 1501 S Madison St, Appleton, WI 54915. The listed phone number is (920) 730-5423.
What is Sophia Nikolai's specialty?
The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.
Is Sophia Nikolai enrolled in Medicare?
Yes. Sophia Nikolai 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 Sophia Nikolai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sophia Nikolai reassigns Medicare benefits to 4 organizations: Ascension NE Wisconsin, Inc (Appleton, WI), Ascension Medical Group-Fox Valley Wisconsin, Inc (Neenah, WI), Baycare Aurora, LLC (Green Bay, WI) and Aurora Medical Group, Inc. (Sheboygan, 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 Sophia Nikolai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Sophia Nikolai was last updated on July 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Sophia Marie Nikolai, MS, RD, CD · NPI 1760101638
Dietitian, Registered provider in Appleton, Wisconsin. Individual provider, active in the CMS NPPES registry since August 24, 2022.
## Identity
- **NPI:** 1760101638 (Entity type: Individual)
- **Enumerated:** August 24, 2022
- **Primary specialty:** Dietitian, Registered · taxonomy 133V00000X
- **State license:** 5009-29 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1501 S MADISON ST, Appleton, WI 54915-1846
- **Phone:** (920) 730-5423
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Ascension NE Wisconsin, Inc (NPI 1407803638, Appleton, WI); Ascension Medical Group-Fox Valley Wisconsin, Inc (NPI 1730126392, Neenah, WI); Baycare Aurora, LLC (NPI 1255387726, Green Bay, WI); Aurora Medical Group, Inc. (NPI 1174670244, Sheboygan, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** July 9, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1760101638) · Data from the CMS NPPES public registry.