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JOANNA L RYDER RD
NPI 1083700421
Dietitian, Registered in Janesville, WI

Active since October 05, 2006
3524 E MILWAUKEE ST, JANESVILLE, WI 53546(608) 756-7100 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Joanna L Ryder Rd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOANNA L RYDER RD (NPI 1083700421) is an individual dietitian, registered in Janesville, Wisconsin, licensed in Wisconsin (380-029) and active in the NPI registry since October 2006.

NPPES Registry Identity

NPI1083700421
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameJOANNA L RYDERCredential: RD
Location Address3524 E MILWAUKEE STJanesville, WI 53546-1626
Mailing Address3524 E Milwaukee StJanesville, WI 53546-1626 · (608) 756-7100
Phone(608) 756-7100
Sole ProprietorNo
Enumeration DateOctober 5, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1083700421 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
License✔ Licensed in WI · 380-029
Definition
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.
3524 E MILWAUKEE ST, Janesville, WI 53546
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Other Identifiers 1

Other380-029WI · License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Joanna L Ryder Rd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Joanna Ryder reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mercy Health System Corporation
3.0 mi
Mental Health (Including Community Mental Health Center)
903 MINERAL POINT AVE
Janesville, WI 53548
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,155 clinicians in this Medicare group
NPI 1669685129 (608) 756-5555

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.

REBECCA JEAN WEISSBURG PHYSICIAN ASSISTANT
Physician Assistant
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Rock County (608) 756-7100
DR. LAWRENCE M SHEA MD
Family Medicine
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Rock County (608) 756-7100
DR. HARLAN D EDELMAN MD
Orthopaedic Surgery (Hand Surgery)
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Rock County (608) 756-7100
MRS. LEAH LAMMERSFELD PT
Physical Therapist
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Rock County (608) 755-8687
JOSHUA T LEHR DPT
Physical Therapist
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Rock County (608) 756-7100
KAUSERUZZAMAN A. KHAN MD
Internal Medicine
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Rock County (608) 756-7100
STEPHEN L MERRILL MD
Emergency Medicine
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Rock County (608) 756-7100
DR. LAURA J SIMON MD
Internal Medicine
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Rock County (608) 756-7100

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 Joanna Ryder's NPI number?

The NPI number for Joanna Ryder is 1083700421. It was assigned to this individual provider in the NPPES registry on October 5, 2006.

Where is Joanna Ryder located?

Joanna Ryder practices at 3524 E Milwaukee St, Janesville, WI 53546. The listed phone number is (608) 756-7100.

What is Joanna Ryder's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Is Joanna Ryder enrolled in Medicare?

Yes. Joanna Ryder is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Joanna Ryder's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joanna Ryder reassigns Medicare benefits to Mercy Health System Corporation (Janesville, WI). The 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 Joanna Ryder's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joanna Ryder accept?

Health plans from Anthem Blue Cross and Blue Shield list Joanna Ryder 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 Joanna Ryder was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.