Individual Healthcare Provider
Mary Jo Winkenwerder, RD, LD
Provider's NPPES record last updated: January 22, 2024
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1437522810
- Primary Specialty
- Dietitian, Registered
- Practice Location
- Woodstock, Illinois
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 21, 2026, 1:23 AM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Dietitian, Registered
Dietary & Nutritional Service Providers
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.
Taxonomy code 133V00000X
Provider-Reported License Information
- Dietitian, Registered (Illinois)
- 164.004498
Practice Locations
Practice Location
2000 Lake Ave
Woodstock, Illinois 60098-7401
Phone: (815) 337-7100
Additional Practice Location
875 South Route 31
Crystal Lake, Illinois 60014-8190
Phone: (779) 220-5500
Additional Practice Location
N2950 State Road 67
Lake Geneva, Wisconsin 53147-2655
Phone: (262) 245-0535
Fax: (262) 245-2248
Additional Practice Location
1010 N Washington St Ste 101
Janesville, Wisconsin 53548-1500
Phone: (608) 741-2430
Fax: (608) 741-2428
Additional Practice Location
10450 Algonquin Rd
Huntley, Illinois 60142-7064
Phone: (847) 802-7018
Record Information
- Enumeration Date
- November 5, 2015
- Provider's NPPES Record Last Updated
- January 22, 2024
- Certification Date
- January 19, 2024
- NPISignal NPPES Dataset
- August 2026
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