DR. DAVID MEGREMIS D.O.
NPI 1982606620
Radiology - Diagnostic Radiology in La Crosse, WI
About Dr. David Megremis D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID MEGREMIS D.O. (NPI 1982606620) is an individual diagnostic radiology provider in La Crosse, Wisconsin, licensed in Wisconsin (62601) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Gundersen Lutheran Medical Center, and is a graduate of Chicago College Of Osteopathy (1991).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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. David Megremis D.o. 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
14Medicare enrollment records show David Megremis reassigns Medicare billing to 14 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, Minnesota 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
Blair, WI 54616
- Reassigned Medicare billing, Wisconsin enrollment
- 293 clinicians in this Medicare group
Waukon, IA 52172
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1164599643 (Iowa)
- 89 clinicians in this Medicare group
Tomah, WI 54660
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1992970453 (Wisconsin)
- 188 clinicians in this Medicare group
Black River Falls, WI 54615
- Reassigned Medicare billing, Wisconsin enrollment
- 227 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
Alma, WI 54610
- Reassigned Medicare billing, Wisconsin and Minnesota enrollments
- Also billed through NPI 1053346825 (Minnesota)
- 86 clinicians in this Medicare group
Boscobel, WI 53805
- Reassigned Medicare billing, Wisconsin enrollment
- 299 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 Lutheran Medical Center
Acute Care Hospitals · La Crosse, WIGundersen Tri-County Hospital & Clinics
Critical Access Hospitals · Whitehall, 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 Megremis's NPI number?
The NPI number for David Megremis is 1982606620. It was assigned to this individual provider in the NPPES registry on August 12, 2005.
Where is David Megremis located?
David Megremis practices at 1836 South Ave, La Crosse, WI 54601. The listed phone number is (608) 782-7300.
What is David Megremis's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is David Megremis enrolled in Medicare?
Yes. David Megremis 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 Megremis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Megremis reassigns Medicare benefits to 14 organizations: Gundersen Clinic Ltd (La Crosse, WI), Gundersen Lutheran Medical Center, Inc (La Crosse, WI), Vernon Memorial Healthcare, Inc. (Viroqua, WI), Tri-County Memorial Hospital, Inc. (Blair, WI), Veterans Memorial Hospital City Of Waukon Ia (Waukon, IA) and 9 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 David Megremis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Megremis accept?
Health plans from Aspirus Health Plan, Group Health Cooperative-SCW and Wellmark Health Plan of Iowa, Inc. list David Megremis 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 Megremis affiliated with any hospitals?
According to CMS data, David Megremis is affiliated with Gundersen Lutheran Medical Center and Gundersen Tri-County Hospital & Clinics.
When was this NPI record last updated?
The NPPES record for David Megremis was last updated on August 8, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Dr. David Megremis, D.O. · NPI 1982606620
Diagnostic Radiology physician in La Crosse, Wisconsin. Individual provider, active in the CMS NPPES registry since August 12, 2005.
## Identity
- **NPI:** 1982606620 (Entity type: Individual)
- **Enumerated:** August 12, 2005
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 62601 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1836 SOUTH AVE, La Crosse, WI 54601-5429
- **Phone:** (608) 782-7300
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 14 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); Vernon Memorial Healthcare, Inc. (NPI 1497750921, Viroqua, WI); Tri-County Memorial Hospital, Inc. (NPI 1659625192, Blair, WI); Veterans Memorial Hospital City Of Waukon Ia (NPI 1093306425, Waukon, IA); and 9 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Chicago College Of Osteopathy, class of 1991
## Record status
- **NPPES last updated:** August 8, 2014
- **Other identifiers:** Medicare UPIN G43842 (IN); Medicare ID-Type Unspecified 953580K (IN); Medicare PIN 405600V (IN); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1982606620) · Data from the CMS NPPES public registry.