DR. MARK JAMES RINGSTROM M.D.
NPI 1134486756
Otolaryngology in La Crosse, WI
About Dr. Mark James Ringstrom M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK JAMES RINGSTROM M.D. (NPI 1134486756) is an individual otolaryngology provider in La Crosse, Wisconsin, licensed in Wisconsin (66936) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, is affiliated with Gundersen Palmer Lutheran Hospital And Clinics, and is a graduate of University Of Wisconsin School Of Medicine (2012).
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
Dr. Mark James Ringstrom 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
5Medicare enrollment records show Mark Ringstrom 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, Iowa and Wisconsin enrollments
- 179 clinicians in this Medicare group
La Crosse, WI 54601
- Reassigned Medicare billing, Wisconsin and Minnesota enrollments
- Also billed through NPI 1376593442 (Minnesota)
- 1,457 clinicians in this Medicare group
Viroqua, WI 54665
- Reassigned Medicare billing, Wisconsin enrollment
- 127 clinicians in this Medicare group
Decorah, IA 52101
- Reassigned Medicare billing, Iowa enrollment
- 83 clinicians in this Medicare group
West Union, IA 52175
- Reassigned Medicare billing, Iowa enrollment
- 155 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 15
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 2
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, IAGundersen Lutheran Medical Center
Acute Care Hospitals · La Crosse, 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
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 Mark Ringstrom's NPI number?
The NPI number for Mark Ringstrom is 1134486756. It was assigned to this individual provider in the NPPES registry on April 19, 2012.
Where is Mark Ringstrom located?
Mark Ringstrom practices at 1836 South Ave, La Crosse, WI 54601. The listed phone number is (608) 782-7300.
What is Mark Ringstrom's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Mark Ringstrom enrolled in Medicare?
Yes. Mark Ringstrom 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 Mark Ringstrom's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Ringstrom reassigns Medicare benefits to 5 organizations: Gundersen Clinic Ltd (La Crosse, WI), Gundersen Lutheran Medical Center, Inc (La Crosse, WI), Vernon Memorial Healthcare, Inc. (Viroqua, WI), Gundersen Regional Clinics LLC (Decorah, IA) and Palmer Lutheran Health Center, Inc. (West Union, IA). 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 Mark Ringstrom's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Ringstrom accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, HealthPartners, Oscar Insurance Company and Quartz and 1 other insurer list Mark Ringstrom 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 Mark Ringstrom affiliated with any hospitals?
According to CMS data, Mark Ringstrom is affiliated with Gundersen Palmer Lutheran Hospital And Clinics and Gundersen Lutheran Medical Center.
When was this NPI record last updated?
The NPPES record for Mark Ringstrom was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.