Individual
DR. WILLIAM WEN-LONG YANG
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
MD
Contact information
Practice address
2020 W ILES AVE, SPRINGFIELD, IL 62704-7015
(217) 698-3030
(217) 698-4729
Mailing address
299 W TIETAN ST, WALLA WALLA, WA 99362-4363
(509) 525-2100
(509) 522-0313
Taxonomy
Speciality
Code
Description
License number
State
207W00000X
Ophthalmology Physician
Primary
036126329
IL
207W00000X
Ophthalmology Physician
70002214
WA
Other
Enumeration date
08/29/2007
Last updated
02/22/2026
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