DIANE LYNN OLSON RD
NPI 1053586677
Dietitian, Registered in Madison, WI
About Diane Lynn Olson Rd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANE LYNN OLSON RD (NPI 1053586677) is an individual dietitian, registered in Madison, Wisconsin, licensed in Wisconsin (1287) and active in the NPI registry since April 2008.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Diane Lynn Olson Rd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Diane Olson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Middleton, WI 53562
- Reassigned Medicare billing, Wisconsin enrollment
- 2,832 clinicians in this Medicare group
Westfield, WI 53964
- Reassigned Medicare billing, Wisconsin enrollment
- 280 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.
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.
MADISON, WI 53717
MADISON, WI 53717
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 Diane Olson's NPI number?
The NPI number for Diane Olson is 1053586677. It was assigned to this individual provider in the NPPES registry on April 24, 2008.
Where is Diane Olson located?
Diane Olson practices at 451 Junction Rd, Madison, WI 53717. The listed phone number is (608) 890-5500.
What is Diane Olson's specialty?
The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.
Is Diane Olson enrolled in Medicare?
Yes. Diane Olson is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Diane Olson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diane Olson reassigns Medicare benefits to 2 organizations: University Of Wisconsin Medical Foundation, Inc (Middleton, WI) and Moundview Memorial Hospital & Clinics, Inc. (Westfield, 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 Diane Olson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Diane Olson was last updated on December 2, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.