LOUIS A SANNER MD
NPI 1972564870
Family Medicine in Madison, WI
About Louis A Sanner Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LOUIS A SANNER MD (NPI 1972564870) is an individual family medicine provider in Madison, Wisconsin, licensed in Wisconsin (29389) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (1983).
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
Louis A Sanner 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 Louis Sanner reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Madison, WI 53715
- Reassigned Medicare billing, Wisconsin enrollment
- 1,377 clinicians in this Medicare group
Middleton, WI 53562
- Reassigned Medicare billing, Wisconsin enrollment
- 2,832 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53704 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
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.
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 Louis Sanner's NPI number?
The NPI number for Louis Sanner is 1972564870. It was assigned to this individual provider in the NPPES registry on March 30, 2006.
Where is Louis Sanner located?
Louis Sanner practices at 2402 Winnebago St, Madison, WI 53704. The listed phone number is (608) 242-6855.
What is Louis Sanner's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Louis Sanner enrolled in Medicare?
Yes. Louis Sanner 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 Louis Sanner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Louis Sanner reassigns Medicare benefits to 2 organizations: Dean Health Systems, Inc (Madison, WI) and University Of Wisconsin Medical Foundation, Inc (Middleton, 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 Louis Sanner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Louis Sanner accept?
Health plans from Group Health Cooperative-SCW list Louis Sanner 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 Louis Sanner was last updated on May 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Louis A Sanner, MD · NPI 1972564870
Family Medicine physician in Madison, Wisconsin. Individual provider, active in the CMS NPPES registry since March 30, 2006.
## Identity
- **NPI:** 1972564870 (Entity type: Individual)
- **Enumerated:** March 30, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 29389 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 2402 WINNEBAGO ST, Madison, WI 53704-5341
- **Phone:** (608) 242-6855
## 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): Dean Health Systems, Inc (NPI 1053358846, Madison, WI); University Of Wisconsin Medical Foundation, Inc (NPI 1598784555, Middleton, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Stanford University School Of Medicine, class of 1983
## Record status
- **NPPES last updated:** May 17, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1972564870) · Data from the CMS NPPES public registry.