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

Winnie Nhan, DO

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1245681709

Winnie Nhan, DO is an Endocrinology in Glen Ellyn, Illinois. Graduated from Western University of Health Sciences College of Dental Med in 2016, 10 years ago. Practices with Dupage Medical Group Ltd, a 1,328-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
10
Trained at
Western University of Health Sciences College of Dental Med
Licensed in
IL
In the registry since
2016
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

430 Pennsylvania Ave Ste 310
Glen Ellyn, IL 60137-4464
Phone: (630) 789-4910
Fax: (630) 789-4911
Show map & directions

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

Additional practice locations (1)

  • 4000 Ave Maria Dr, Ann Arbor, MI 48105 — (734) 930-4450

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 036.157571 (IL)

Record details

NPI number1245681709
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 27, 2016
Last updated in NPPESAugust 16, 2023
Certification dateAugust 16, 2023
Mailing addressPo Box 713260, Chicago, IL 60677-1260

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Medical schoolWESTERN UNIVERSITY OF HEALTH SCIENCES COLLEGE OF DENTAL MED
Graduated 2016 (10 years in practice)
Group practice Dupage Medical Group Ltd — 1328 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Glen Ellyn