Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mary Jo Winkenwerder, RD, LD

Individual provider Registered Dietitian · NPI 1437522810

Mary Jo Winkenwerder, RD, LD is a Registered Dietitian OR Nutrition Professional in Woodstock, Illinois. Qualified in 1995, 31 years ago. Practices with Mercy Health System Corporation, a 751-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
31
Licensed in
IL
In the registry since
2015
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.
LD — Licensed Dietitian
A dietitian licensed by a state board.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

2000 Lake Ave
Woodstock, IL 60098-7401
Phone: (815) 337-7100
Fax: (815) 337-4793
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (4)

  • 875 South Route 31, Crystal Lake, IL 60014-8190 — (779) 220-5500
  • 10450 Algonquin Rd, Huntley, IL 60142-7064 — (847) 802-7018
  • 1010 N Washington St Ste 101, Janesville, WI 53548-1500 — (608) 741-2430
  • N2950 State Road 67, Lake Geneva, WI 53147-2655 — (262) 245-0535

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 164.004498 (IL)

Record details

NPI number1437522810
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD , LD
Sole proprietorNo
NPI enumeratedNovember 5, 2015
Last updated in NPPESJanuary 22, 2024
Certification dateJanuary 19, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyREGISTERED DIETITIAN OR NUTRITION PROFESSIONAL
Medical schoolOTHER
Graduated 1995 (31 years in practice)
Group practice Mercy Health System Corporation — 751 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Woodstock