JOAN L KORTBEIN RD
NPI 1245236538
Dietitian, Registered in Tomah, WI
About Joan L Kortbein Rd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOAN L KORTBEIN RD (NPI 1245236538) is an individual dietitian, registered in Tomah, Wisconsin, licensed in Wisconsin (900) and active in the NPI registry since June 2005. She is a graduate of University Of Wisconsin School Of Medicine (1990).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Joan L Kortbein Rd 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
2Medicare enrollment records show Joan Kortbein reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tomah, WI 54660
- Reassigned Medicare billing, Wisconsin enrollment
- 928 clinicians in this Medicare group
Onalaska, WI 54650
- 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54660 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.
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 Joan Kortbein's NPI number?
The NPI number for Joan Kortbein is 1245236538. It was assigned to this individual provider in the NPPES registry on June 22, 2005.
Where is Joan Kortbein located?
Joan Kortbein practices at 1330 N Superior Ave, Tomah, WI 54660. The listed phone number is (608) 372-4111.
What is Joan Kortbein's specialty?
The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.
Is Joan Kortbein enrolled in Medicare?
Yes. Joan Kortbein 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 Joan Kortbein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joan Kortbein reassigns Medicare benefits to 2 organizations: Gundersen Clinic, Ltd. (Tomah, WI) and Gundersen Lutheran Medical Center, Inc (Onalaska, WI). 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 Joan Kortbein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joan Kortbein accept?
Health plans from Anthem Blue Cross and Blue Shield list Joan Kortbein 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.
When was this NPI record last updated?
The NPPES record for Joan Kortbein was last updated on April 23, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Joan L Kortbein, RD · NPI 1245236538
Dietitian, Registered provider in Tomah, Wisconsin. Individual provider, active in the CMS NPPES registry since June 22, 2005.
## Identity
- **NPI:** 1245236538 (Entity type: Individual)
- **Enumerated:** June 22, 2005
- **Primary specialty:** Dietitian, Registered · taxonomy 133V00000X
- **State license:** 900 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1330 N SUPERIOR AVE, Tomah, WI 54660-1130
- **Phone:** (608) 372-4111
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Gundersen Clinic, Ltd. (NPI 1497708044, Tomah, WI); Gundersen Lutheran Medical Center, Inc (NPI 1225372923, Onalaska, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Wisconsin School Of Medicine, class of 1990
## Record status
- **NPPES last updated:** April 23, 2013
- **Other identifiers:** Medicare PIN 0002 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1245236538) · Data from the CMS NPPES public registry.