DAVID WILLIAM NELMS M.D.
NPI 1386088565
Colon & Rectal Surgery in La Crosse, WI
About David William Nelms M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID WILLIAM NELMS M.D. (NPI 1386088565) is an individual colon & rectal surgery provider in La Crosse, Wisconsin, licensed in Wisconsin (73453) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with Winona Health Services, and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (2013).
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 William Nelms 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 Reassignment
Medicare enrollment records show David Nelms reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
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 5
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Winona Health Services
Acute Care Hospitals · Winona, MNGundersen Lutheran Medical Center
Acute Care Hospitals · La Crosse, WIBlack River Memorial Hospital
Critical Access Hospitals · Black River Falls, 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.
Referred Medical Equipment & Supplies CMS DME claims 2
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.
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 Nelms's NPI number?
The NPI number for David Nelms is 1386088565. It was assigned to this individual provider in the NPPES registry on April 18, 2013.
Where is David Nelms located?
David Nelms practices at 1836 South Ave, La Crosse, WI 54601. The listed phone number is (608) 782-7300.
What is David Nelms's specialty?
The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.
Is David Nelms enrolled in Medicare?
Yes. David Nelms 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 organization bills Medicare for David Nelms's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Nelms reassigns Medicare benefits to Gundersen Lutheran Medical Center, Inc (La Crosse, WI). The 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 Nelms's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Nelms accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, HealthPartners and Quartz list David Nelms 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 Nelms affiliated with any hospitals?
According to CMS data, David Nelms is affiliated with Winona Health Services, Gundersen Lutheran Medical Center and Black River Memorial Hospital.
When was this NPI record last updated?
The NPPES record for David Nelms was last updated on March 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.