Joanna Ryder, RD
NPI 1083700421 · Registered Dietitian · Janesville, WI
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joanna Ryder, RD is a Registered Dietitian provider in Janesville, WI (NPI 1083700421).
Provider details
- NPI number
- 1083700421
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD
- Sex
- Female
- Sole proprietor
- No
- License
- 380-029 (WI)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Joanna Ryder's NPI number?
- Joanna Ryder's National Provider Identifier (NPI) is 1083700421, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanna Ryder's specialty?
- Joanna Ryder is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Joanna Ryder located?
- Joanna Ryder's practice location on file with NPPES is 3524 E Milwaukee St, Janesville, WI 53546-1626.
- What is Joanna Ryder's phone number?
- The practice phone number listed in the NPPES registry for Joanna Ryder is (608) 756-7100.
- Does Joanna Ryder accept Medicare?
- Joanna Ryder is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joanna Ryder's NPI active?
- Yes — Joanna Ryder's NPI (1083700421) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.