DR. NATHANIEL L STEPP DO
NPI 1942491030
Family Medicine in La Crosse, WI
About Dr. Nathaniel L Stepp Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NATHANIEL L STEPP DO (NPI 1942491030) is an individual family medicine provider in La Crosse, Wisconsin, licensed in Wisconsin (62230-21) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS, is affiliated with St Elizabeth Medical Center, and is a graduate of Other (2007).
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
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. Nathaniel L Stepp Do 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
10Medicare enrollment records show Nathaniel Stepp reassigns Medicare billing to 10 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 and Minnesota enrollments
- Also billed through NPI 1376593442 (Minnesota)
- 1,457 clinicians in this Medicare group
Blair, WI 54616
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1124063573 (Wisconsin)
- 293 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
Boscobel, WI 53805
- Reassigned Medicare billing, Wisconsin enrollment
- 299 clinicians in this Medicare group
Wabasha, MN 55981
- Reassigned Medicare billing, Minnesota enrollment
- 147 clinicians in this Medicare group
Eau Claire, WI 54701
- Reassigned Medicare billing, Wisconsin enrollment
- 2,476 clinicians in this Medicare group
Friendship, WI 53934
- Reassigned Medicare billing, Wisconsin enrollment
- 67 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 clinicians in this Medicare group
Chetek, WI 54728
- Reassigned Medicare billing, Wisconsin enrollment
- 1,616 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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Elizabeth Medical Center
Critical Access Hospitals · Wabasha, MNGundersen Lutheran Medical Center
Acute Care Hospitals · La Crosse, WIGundersen Moundview Hospital And Clinics
Critical Access Hospitals · Friendship, 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.
Referred Medical Equipment & Supplies CMS DME claims 12
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 Nathaniel Stepp's NPI number?
The NPI number for Nathaniel Stepp is 1942491030. It was assigned to this individual provider in the NPPES registry on August 5, 2007.
Where is Nathaniel Stepp located?
Nathaniel Stepp practices at 1836 South Ave, La Crosse, WI 54601. The listed phone number is (608) 782-7300.
What is Nathaniel Stepp's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Nathaniel Stepp enrolled in Medicare?
Yes. Nathaniel Stepp 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 Nathaniel Stepp's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nathaniel Stepp reassigns Medicare benefits to 10 organizations: Gundersen Clinic Ltd (La Crosse, WI), Gundersen Lutheran Medical Center, Inc (La Crosse, WI), Tri-County Memorial Hospital, Inc. (Blair, WI), St. Joseph's Health Services, Inc. (Hillsboro, WI), Memorial Hospital Of Boscobel (Boscobel, WI) and 5 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 Nathaniel Stepp's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nathaniel Stepp accept?
Health plans from Group Health Cooperative-SCW list Nathaniel Stepp 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 Nathaniel Stepp affiliated with any hospitals?
According to CMS data, Nathaniel Stepp is affiliated with St Elizabeth Medical Center, Gundersen Lutheran Medical Center, Gundersen Moundview Hospital And Clinics and Gundersen Tri-County Hospital & Clinics.
When was this NPI record last updated?
The NPPES record for Nathaniel Stepp was last updated on December 7, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Nathaniel L Stepp, DO · NPI 1942491030
Family Medicine physician in La Crosse, Wisconsin. Individual provider, active in the CMS NPPES registry since August 5, 2007.
## Identity
- **NPI:** 1942491030 (Entity type: Individual)
- **Enumerated:** August 5, 2007
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 62230-21 (Wisconsin)
- **Sole proprietor:** Yes
## 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:** 10 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); Tri-County Memorial Hospital, Inc. (NPI 1659625192, Blair, WI); St. Joseph's Health Services, Inc. (NPI 1972591410, Hillsboro, WI); Memorial Hospital Of Boscobel (NPI 1306804794, Boscobel, WI); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** December 7, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1942491030) · Data from the CMS NPPES public registry.