Dr. William Wen-Long Yang, MD
Dr. William Wen-Long Yang, MD is an Ophthalmology in Springfield, Illinois. Graduated from University of Wisconsin School of Medicine in 2004, 22 years ago. Practices with Prairie Eye Center, Ltd, a 15-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois and Washington.
- Years since qualifying
- 22
- Trained at
- University of Wisconsin School of Medicine
- Licensed in
- IL, WA
- In the registry since
- 2007
- Specialties on file
- 2
What do these letters mean?
- MD — Doctor of Medicine
- A physician who completed allopathic medical school.
Practice location Address checks out
2020 W Iles AveSpringfield, IL 62704-7015
Phone: (217) 698-3030
Fax: (217) 698-4729
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 (1)
- 299 W Tietan St, Walla Walla, WA 99362-4363 — (509) 525-2100
Specialties & licences
| Ophthalmology Physician (primary) | Taxonomy 207W00000X · Licence 036126329 (IL) |
|---|---|
| Ophthalmology Physician | Taxonomy 207W00000X · Licence 70002214 (WA) |
Record details
| NPI number | 1790979011 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | MD |
| Sole proprietor | No |
| NPI enumerated | August 29, 2007 |
| Last updated in NPPES | February 22, 2026 |
| Certification date | February 22, 2026 |
Medicare enrollment
| Medicare specialty | OPHTHALMOLOGY |
|---|---|
| Medical school | UNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE |
| Graduated | 2004 (22 years in practice) |
| Group practice | Prairie Eye Center, Ltd — 15 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
| Practice locations | 2 on file with Medicare |
Other providers in Springfield
-
Susan Strow Stegeman, MD
1025 S 6th St, Springfield, IL 62703-2403 · (217) 528-7541
-
Dr. Grant Wei-Siang Su, MD
301 N 8th St, Springfield, IL 62701-1041 · (217) 528-7541
-
Tomas D Tredici, MD
1025 S 6th St, Springfield, IL 62703-2403 · (217) 528-7541
-
Dr. Alex Brian Willis Jr., MD
2020 W Iles Ave, Springfield, IL 62704-4174 · (217) 698-3030
-
MS. Sandra Yeh, MD
2020 W Iles Ave, Springfield, IL 62704-4174 · (217) 698-3030