DAVID EDWARD LUDDEN M.D.
NPI 1073773834
Internal Medicine - Cardiovascular Disease in La Crosse, WI
About David Edward Ludden M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID EDWARD LUDDEN M.D. (NPI 1073773834) is an individual cardiovascular disease provider in La Crosse, Wisconsin, licensed in Wisconsin (55951) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with Gundersen Palmer Lutheran Hospital And Clinics, and is a graduate of Rush Medical College Of Rush University (2007).
NPPES Registry Identity
Specialties & Licenses 2
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
David Edward Ludden M.d. 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 David Ludden reassigns Medicare billing to 2 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
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 16
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Gundersen Palmer Lutheran Hospital And Clinics
Critical Access Hospitals · West Union, IAWinona Health Services
Acute Care Hospitals · Winona, MNGundersen Lutheran Medical Center
Acute Care Hospitals · La Crosse, WITomah Memorial Hospital
Critical Access Hospitals · Tomah, WIVernon Memorial Hospital
Critical Access Hospitals · Viroqua, WIPhysician 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 David Ludden's NPI number?
The NPI number for David Ludden is 1073773834. It was assigned to this individual provider in the NPPES registry on June 13, 2008.
Where is David Ludden located?
David Ludden practices at 1836 South Ave, La Crosse, WI 54601. The listed phone number is (608) 782-7300.
What is David Ludden's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is David Ludden enrolled in Medicare?
Yes. David Ludden 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 David Ludden's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Ludden reassigns Medicare benefits to 2 organizations: Gundersen Clinic Ltd (La Crosse, WI) and Gundersen Lutheran Medical Center, Inc (La Crosse, 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 David Ludden's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Ludden accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, HealthPartners and Quartz list David Ludden 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 David Ludden affiliated with any hospitals?
According to CMS data, David Ludden is affiliated with Gundersen Palmer Lutheran Hospital And Clinics, Winona Health Services, Gundersen Lutheran Medical Center, Tomah Memorial Hospital and Vernon Memorial Hospital.
When was this NPI record last updated?
The NPPES record for David Ludden was last updated on August 13, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.