Dr. William Wen-Long Yang , MD
Ophthalmology • Springfield, IL
Professional Overview & Biography Verified Profile Summary
Dr. William Yang, MD is a certified Ophthalmology practicing in Springfield, IL. With approximately 22 years of clinical experience since graduating from University Of Wisconsin School Of Medicine in 2004, Dr. Yang delivers high-quality medical care to the local community at 2020 W ILES AVE.
Dr. Yang maintains professional affiliations with Andrew S Edwards Md Pllc, Prairie Eye Center, Ltd and accepts Medicare assignment.
Frequently performed procedures and clinical services include established patient complete exam of visual system, measurement of corneal curvature and depth of eye, established patient problem focused exam of visual system. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.
Practice Location & Contact Primary Location
2020 W Iles Ave
Springfield, IL 627047015
Medicare Profile & Education
University Of Wisconsin School Of Medicine
2004
✓ Accepts Assignment
In-Person Only
Specialty Benchmarks & Practice Insights
Comparative analytics for Ophthalmology in Springfield, IL
Practicing in Springfield, IL (954 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Clinical Seniority & Experience Comparison
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
92014
Established patient complete exam of visual system
|
205 | 201 | $294.00 | $122.96 |
|
92136
Measurement of corneal curvature and depth of eye
|
172 | 86 | $220.81 | $34.55 |
|
92012
Established patient problem focused exam of visual system
|
151 | 111 | $168.00 | $87.69 |
|
66984
Removal of cataract with insertion of lens
|
113 | 72 | $2730.00 | $538.97 |
|
92004
New patient complete exam of visual system
|
79 | 79 | $352.00 | $146.87 |
|
66984
Removal of cataract with insertion of lens
|
34 | 22 | $2730.00 | $542.50 |
|
66821
Removal of recurring cataract in lens capsule using a laser
|
23 | 23 | $973.39 | $348.67 |
|
92133
Imaging of optic nerve
|
11 | 11 | $90.00 | $35.83 |
Medical Specialties & State Licenses
CMS Verified: 2026-02-22NUCC Taxonomy Code: 207W00000X
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
NUCC Taxonomy Code: 207W00000X
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
Hospital & Practice Group Affiliations
Prairie Eye Center, Ltd
2020 W Iles Ave, Springfield, IL 627044174
Phone: 2176983030
Andrew S Edwards Md Pllc
299 W Tietan St, Walla Walla, WA 993624363
Phone: 5095252100
Secondary Practice Locations
299 W Tietan St
Walla Walla, WA 993624363
Phone: 5095252100
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Optometrist
Doctor of Optometry
Specialist
Doctor of Medicine (M.D.)
Optometrist
Doctor of Optometry
Specialist
Doctor of Medicine (M.D.)
Ophthalmology
Doctor of Medicine (M.D.)
Optometrist
Doctor of Optometry
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 299 W TIETAN ST, WALLA WALLA, WA 993624363 (Tel: 5095252100)
NPI status registered as active in NPPES database
Registered at 2020 W ILES AVE, SPRINGFIELD, IL 627047015 (Tel: 2176983030)
Registered at 2020 W ILES AVE, SPRINGFIELD, IL 627047015 (Tel: 2176983030)
Recorded as WILLIAM YANG, MD
Ophthalmology (License #036126329 in IL)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
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NPI Administrative Meta
Mailing Address
299 W Tietan St
Walla Walla, WA 993624363
Phone: 5095252100
This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.