Mary Jo Winkenwerder, RD, LD
NPI 1437522810 · Registered Dietitian · Woodstock, IL
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Jo Winkenwerder, RD, LD is a Registered Dietitian provider in Woodstock, IL (NPI 1437522810).
Provider details
- NPI number
- 1437522810
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD, LD
- Sex
- Female
- Sole proprietor
- No
- License
- 164.004498 (IL)
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
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
5 documented practice locations
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
Additional practice locations (4)
- 875 South Route 31Crystal Lake, IL 60014-8190Phone: (779) 220-5500
- 10450 Algonquin RdHuntley, IL 60142-7064Phone: (847) 802-7018
- 1010 N Washington St Ste 101Janesville, WI 53548-1500Phone: (608) 741-2430Fax: (608) 741-2428
- N2950 State Road 67Lake Geneva, WI 53147-2655Phone: (262) 245-0535Fax: (262) 245-2248
Registry dates
- Enumerated
- 2015-11-05
- Last updated
- 2024-01-22
- Certified
- 2024-01-19
Frequently asked questions
- What is Mary Jo Winkenwerder's NPI number?
- Mary Jo Winkenwerder's National Provider Identifier (NPI) is 1437522810, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Jo Winkenwerder's specialty?
- Mary Jo Winkenwerder is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Mary Jo Winkenwerder located?
- Mary Jo Winkenwerder's practice location on file with NPPES is 2000 Lake Ave, Woodstock, IL 60098-7401.
- What is Mary Jo Winkenwerder's phone number?
- The practice phone number listed in the NPPES registry for Mary Jo Winkenwerder is (815) 337-7100.
- Does Mary Jo Winkenwerder accept Medicare?
- Mary Jo Winkenwerder is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Jo Winkenwerder's NPI active?
- Yes — Mary Jo Winkenwerder's NPI (1437522810) is active in the NPPES registry as of the last update on 2024-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.