ETHAN ROSENKE SCHAEFER
NPI 1093284861
Anesthesiologist Assistant in Milwaukee, WI
About Ethan Rosenke Schaefer NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ETHAN ROSENKE SCHAEFER (NPI 1093284861) is an individual anesthesiologist assistant in Milwaukee, Wisconsin, licensed in Wisconsin (129) and active in the NPI registry since November 2018. He maintains a secondary practice location in Milwaukee and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
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
Ethan Rosenke Schaefer 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
3Medicare enrollment records show Ethan Schaefer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Childrens Specialty Group Inc
- 424 clinicians in this Medicare group
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 clinicians in this Medicare group
Burlington, NC 27215
- Reassigned Medicare billing, North Carolina enrollment
- 652 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.
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.
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
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 Ethan Schaefer's NPI number?
The NPI number for Ethan Schaefer is 1093284861. It was assigned to this individual provider in the NPPES registry on November 21, 2018.
Where is Ethan Schaefer located?
Ethan Schaefer practices at 9200 W Wisconsin Ave, Milwaukee, WI 53226. The listed phone number is (414) 805-8700.
What is Ethan Schaefer's specialty?
The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.
Is Ethan Schaefer enrolled in Medicare?
Yes. Ethan Schaefer 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 Ethan Schaefer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ethan Schaefer reassigns Medicare benefits to 3 organizations: Children's Specialty Group, Inc. (Milwaukee, WI), The Medical College Of Wisconsin, Inc. (Milwaukee, WI) and American Anesthesiology Of North Carolina, PLLC (Burlington, NC). 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 Ethan Schaefer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ethan Schaefer accept?
Health plans from CareSource (Common Ground Healthcare) list Ethan Schaefer 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.
When was this NPI record last updated?
The NPPES record for Ethan Schaefer was last updated on February 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Ethan Rosenke Schaefer · NPI 1093284861
Anesthesiologist Assistant physician in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since November 21, 2018.
## Identity
- **NPI:** 1093284861 (Entity type: Individual)
- **Enumerated:** November 21, 2018
- **Primary specialty:** Anesthesiologist Assistant · taxonomy 367H00000X
- **State license:** 129 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 9200 W WISCONSIN AVE, Milwaukee, WI 53226
- **Phone:** (414) 805-8700 · **Fax:** (414) 259-1522
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Children's Specialty Group, Inc. (NPI 1942970405, Milwaukee, WI); The Medical College Of Wisconsin, Inc. (NPI 1699720086, Milwaukee, WI); American Anesthesiology Of North Carolina, PLLC (NPI 1053677195, Burlington, NC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** February 24, 2025
- **Other identifiers:** Medicaid 1093284861 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1093284861) · Data from the CMS NPPES public registry.