AMARILYS DE MARIA ALARCON CALDERON MD
NPI 1548758485
Internal Medicine - Pulmonary Disease in La Crosse, WI
About Amarilys De Maria Alarcon Calderon Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMARILYS DE MARIA ALARCON CALDERON MD (NPI 1548758485) is an individual pulmonary disease provider in La Crosse, Wisconsin, licensed in Wisconsin (86589-20) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, is affiliated with Gundersen Lutheran Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 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
Amarilys De Maria Alarcon Calderon 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
5Medicare enrollment records show Amarilys Alarcon Calderon reassigns Medicare billing to 5 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 and Minnesota enrollments
- Also billed through NPI 1376593442 (Minnesota)
- 1,457 clinicians in this Medicare group
La Crosse, WI 54601
- Reassigned Medicare billing, Iowa, Minnesota and Wisconsin enrollments
- 179 clinicians in this Medicare group
Decorah, IA 52101
- Reassigned Medicare billing, Iowa enrollment
- 83 clinicians in this Medicare group
Alma, WI 54610
- Reassigned Medicare billing, Wisconsin enrollment
- 86 clinicians in this Medicare group
Rochester, MN 55905
- Reassigned Medicare billing, Minnesota enrollment
- 6,534 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Gundersen Lutheran Medical Center
Acute Care Hospitals · La Crosse, WITomah Memorial Hospital
Critical Access Hospitals · Tomah, WIGundersen Boscobel Area Hospital And Clinics
Critical Access Hospitals · Boscobel, 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 5
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 Amarilys Alarcon Calderon's NPI number?
The NPI number for Amarilys Alarcon Calderon is 1548758485. It was assigned to this individual provider in the NPPES registry on April 26, 2018.
Where is Amarilys Alarcon Calderon located?
Amarilys Alarcon Calderon practices at 1836 South Ave, La Crosse, WI 54601. The listed phone number is (608) 782-7300.
What is Amarilys Alarcon Calderon's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Amarilys Alarcon Calderon enrolled in Medicare?
Yes. Amarilys Alarcon Calderon 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 Amarilys Alarcon Calderon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amarilys Alarcon Calderon reassigns Medicare benefits to 5 organizations: Gundersen Lutheran Medical Center, Inc (La Crosse, WI), Gundersen Clinic Ltd (La Crosse, WI), Gundersen Regional Clinics LLC (Decorah, IA), Saint Elizabeths Hospital Of Wabasha Inc (Alma, WI) and Mayo Clinic (Rochester, MN). 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 Amarilys Alarcon Calderon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Amarilys Alarcon Calderon accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, HealthPartners, Quartz and Wellmark Health Plan of Iowa, Inc. list Amarilys Alarcon Calderon 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 Amarilys Alarcon Calderon affiliated with any hospitals?
According to CMS data, Amarilys Alarcon Calderon is affiliated with Gundersen Lutheran Medical Center, Tomah Memorial Hospital and Gundersen Boscobel Area Hospital And Clinics.
When was this NPI record last updated?
The NPPES record for Amarilys Alarcon Calderon was last updated on January 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.