RALPH G. ALTHOUSE MD
NPI 1477636405
Internal Medicine - Cardiovascular Disease in La Crosse, WI
About Ralph G. Althouse Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RALPH G. ALTHOUSE MD (NPI 1477636405) is an individual cardiovascular disease provider in La Crosse, Wisconsin, licensed in Wisconsin (254) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Edmonds.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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 (PECOS)
Ralph G. Althouse Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
8Medicare enrollment records show Ralph Althouse reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
La Crosse, WI 54601
- Reassigned Medicare billing, Wisconsin enrollment
- 928 clinicians in this Medicare group
La Crosse, WI 54601
- Reassigned Medicare billing, Wisconsin enrollment
- 1,457 clinicians in this Medicare group
Blair, WI 54616
- Reassigned Medicare billing, Wisconsin enrollment
- 293 clinicians in this Medicare group
Hillsboro, WI 54634
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: St Josephs Health Services Inc
- 282 clinicians in this Medicare group
Boscobel, WI 53805
- Reassigned Medicare billing, Wisconsin enrollment
- 299 clinicians in this Medicare group
West Union, IA 52175
- Reassigned Medicare billing, Wisconsin enrollment
- 68 clinicians in this Medicare group
Friendship, WI 53934
- Reassigned Medicare billing, Wisconsin enrollment
- 280 clinicians in this Medicare group
Hilo, HI 96720
- Reassigned Medicare billing, Hawaii enrollment
- 263 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 54601 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.
LA CROSSE, WI 54601
LA CROSSE, WI 54601
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 Ralph Althouse's NPI number?
The NPI number for Ralph Althouse is 1477636405. It was assigned to this individual provider in the NPPES registry on October 23, 2006.
Where is Ralph Althouse located?
Ralph Althouse practices at 1836 South Ave, La Crosse, WI 54601. The listed phone number is (608) 782-7300.
What is Ralph Althouse's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Ralph Althouse enrolled in Medicare?
Yes. Ralph Althouse is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ralph Althouse's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ralph Althouse reassigns Medicare benefits to 8 organizations: Gundersen Clinic Ltd (La Crosse, WI), Gundersen Lutheran Medical Center, Inc (La Crosse, WI), Tri-County Memorial Hospital, Inc. (Blair, WI), St. Joseph's Health Services, Inc. (Hillsboro, WI), Memorial Hospital Of Boscobel (Boscobel, WI) and 3 more organizations, listed in the Medicare section above. 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 Ralph Althouse's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ralph Althouse accept?
Health plans from Providence Health Plan list Ralph Althouse 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 Ralph Althouse was last updated on November 30, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Ralph G. Althouse, MD · NPI 1477636405
Cardiovascular Disease physician in La Crosse, Wisconsin. Individual provider, active in the CMS NPPES registry since October 23, 2006.
## Identity
- **NPI:** 1477636405 (Entity type: Individual)
- **Enumerated:** October 23, 2006
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** 254 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1836 SOUTH AVE, La Crosse, WI 54601
- **Phone:** (608) 782-7300
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Gundersen Clinic Ltd (NPI 1851343115, La Crosse, WI); Gundersen Lutheran Medical Center, Inc (NPI 1619210895, La Crosse, WI); Tri-County Memorial Hospital, Inc. (NPI 1659625192, Blair, WI); St. Joseph's Health Services, Inc. (NPI 1972591410, Hillsboro, WI); Memorial Hospital Of Boscobel (NPI 1306804794, Boscobel, WI); and 3 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 30, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1477636405) · Data from the CMS NPPES public registry.