STEPHEN T HOLTHAUS MD
NPI 1386756732
Family Medicine in Rice Lake, WI
About Stephen T Holthaus Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN T HOLTHAUS MD (NPI 1386756732) is an individual family medicine provider in Rice Lake, Wisconsin, licensed in Wisconsin (40336) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Marshfield Medical Center - Rice Lake, and is a graduate of Northwestern University Feinberg Medical School (1995).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Stephen T Holthaus Md 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
2Medicare enrollment records show Stephen Holthaus reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rice Lake, WI 54868
- Reassigned Medicare billing, Wisconsin enrollment
- 1,616 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 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.
Marshfield Medical Center - Rice Lake
Acute Care Hospitals · Rice Lake, WIMarshfield Medical Center
Acute Care Hospitals · Marshfield, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54868 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.
Referred Medical Equipment & Supplies CMS DME claims 9
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
RICE LAKE, WI 54868
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 Stephen Holthaus's NPI number?
The NPI number for Stephen Holthaus is 1386756732. It was assigned to this individual provider in the NPPES registry on August 31, 2006.
Where is Stephen Holthaus located?
Stephen Holthaus practices at 1700 W Stout St, Rice Lake, WI 54868. The listed phone number is (715) 236-8100.
What is Stephen Holthaus's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Stephen Holthaus enrolled in Medicare?
Yes. Stephen Holthaus 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 Stephen Holthaus's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Holthaus reassigns Medicare benefits to 2 organizations: Lakeview Medical Center Inc Of Rice Lake (Rice Lake, WI) and Marshfield Clinic Inc (Marshfield, 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 Stephen Holthaus's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Holthaus accept?
Health plans from Anthem Blue Cross and Blue Shield, HealthPartners, Sanford Health Plan and Security Health Plan list Stephen Holthaus 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 Stephen Holthaus affiliated with any hospitals?
According to CMS data, Stephen Holthaus is affiliated with Marshfield Medical Center - Rice Lake and Marshfield Medical Center.
When was this NPI record last updated?
The NPPES record for Stephen Holthaus was last updated on September 2, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Stephen T Holthaus, MD · NPI 1386756732
Family Medicine physician in Rice Lake, Wisconsin. Individual provider, active in the CMS NPPES registry since August 31, 2006.
## Identity
- **NPI:** 1386756732 (Entity type: Individual)
- **Enumerated:** August 31, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 40336 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1700 W STOUT ST, Rice Lake, WI 54868-5000
- **Phone:** (715) 236-8100
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Lakeview Medical Center Inc Of Rice Lake (NPI 1790320687, Rice Lake, WI); Marshfield Clinic Inc (NPI 1952347981, Marshfield, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northwestern University Feinberg Medical School, class of 1995
## Record status
- **NPPES last updated:** September 2, 2009
- **Other identifiers:** Medicare UPIN G76041; Medicaid 32469100 (WI); Medicare ID-Type Unspecified 000205105 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1386756732) · Data from the CMS NPPES public registry.