CLINT G SEMRAU DO
NPI 1346465739
Surgery in Baldwin, WI
About Clint G Semrau Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CLINT G SEMRAU DO (NPI 1346465739) is an individual surgery provider in Baldwin, Wisconsin, licensed in Michigan (L782974) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with Aspirus Wausau Hospital, and is a graduate of Other (2004).
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
Clint G Semrau Do 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 Clint Semrau reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Woodbury, MN 55125
- Reassigned Medicare billing, Minnesota enrollment
- 3,733 clinicians in this Medicare group
Stanley, WI 54768
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1356311252 (Wisconsin)
- 168 clinicians in this Medicare group
Gilman, WI 54433
- Reassigned Medicare billing, Wisconsin enrollment
- 376 clinicians in this Medicare group
Merrill, WI 54452
- Reassigned Medicare billing, Wisconsin enrollment
- 351 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.
Aspirus Wausau Hospital
Acute Care Hospitals · Wausau, WIAspirus Medford Hospital & Clinics, Inc
Critical Access Hospitals · Medford, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54002 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.
BALDWIN, WI 54002
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 Clint Semrau's NPI number?
The NPI number for Clint Semrau is 1346465739. It was assigned to this individual provider in the NPPES registry on April 13, 2007.
Where is Clint Semrau located?
Clint Semrau practices at 1100 Bergslien St, Baldwin, WI 54002. The listed phone number is (715) 684-1111.
What is Clint Semrau's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Clint Semrau enrolled in Medicare?
Yes. Clint Semrau 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 Clint Semrau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Clint Semrau reassigns Medicare benefits to 4 organizations: Allina Health System (Woodbury, MN), Aspirus Stanley Hospital & Clinics, Inc. (Stanley, WI), Aspirus Medford Hospital & Clinics, Inc. (Gilman, WI) and Aspirus Merrill Hospital & Clinics, Inc. (Merrill, 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 Clint Semrau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Clint Semrau accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan and HealthPartners list Clint Semrau 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 Clint Semrau affiliated with any hospitals?
According to CMS data, Clint Semrau is affiliated with Aspirus Wausau Hospital and Aspirus Medford Hospital & Clinics, Inc.
When was this NPI record last updated?
The NPPES record for Clint Semrau was last updated on November 30, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Clint G Semrau, DO · NPI 1346465739
Surgery physician in Baldwin, Wisconsin. Individual provider, active in the CMS NPPES registry since April 13, 2007.
## Identity
- **NPI:** 1346465739 (Entity type: Individual)
- **Enumerated:** April 13, 2007
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** L782974 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1100 BERGSLIEN ST, Baldwin, WI 54002-2600
- **Phone:** (715) 684-1111 · **Fax:** (715) 684-1119
## 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): Allina Health System (NPI 1497279756, Woodbury, MN); Aspirus Stanley Hospital & Clinics, Inc. (NPI 1053391730, Stanley, WI); Aspirus Medford Hospital & Clinics, Inc. (NPI 1285703173, Gilman, WI); Aspirus Merrill Hospital & Clinics, Inc. (NPI 1124084678, Merrill, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** November 30, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1346465739) · Data from the CMS NPPES public registry.