Physician Profile
Unclaimed ProfileAbout YANG
Based in Chicago, IL, John W Yang, MD is listed in the NPI registry under ophthalmology. John graduated from Northwestern University Feinberg Medical School in 1996.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Yang specialise in?
Dr. Yang is an ophthalmology in Chicago, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPHTHALMOLOGY”.
NPI registry
Where is Dr. Yang located?
Dr. Yang is listed at 676 N ST CLAIR #320, Chicago, IL 60611. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Yang's phone number?
The number on file is (312) 475-1000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Yang's NPI number?
Dr. Yang's National Provider Identifier is 1942315312. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Yang go to medical school?
Dr. Yang attended Northwestern University Feinberg Medical School, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Yang been practising?
Dr. Yang has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Yang do most often?
According to Medicare billing data, Dr. Yang performs procedures including removal of cataract with insertion of prosthetic lens, closure of tear duct opening using plug and removal of recurring cataract in lens capsule using a laser; reads or performs imaging such as ultrasound scan of cornea to determine thickness; provides treatments such as imaging of optic nerve and exam of visual field with extended testing, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Yang confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Yang. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (312) 475-1000
- Email not available
Practice Locations
676 N ST CLAIR #320
Chicago, IL 60611
Procedures Most Often Billed to Medicare
4,423 services · 3,329 patients · 15 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
121 |
| Closure of tear duct opening using plug | Procedure | 68761 |
65 |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
38 |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
15 |
| Imaging of optic nerve | Treatment | 92133 |
487 |
| Exam of visual field with extended testing | Treatment | 92083 |
468 |
| Imaging of retina | Treatment | 92134 |
356 |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
170 |
| Established patient complete exam of visual system | Treatment | 92014 |
67 |
| Exam of the internal drainage system of eye | Treatment | 92020 |
25 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other ophthalmology specialists in Chicago 8
Same specialty, same city.
Trained at Northwestern University Feinberg Medical School 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1996 at Northwestern University Feinberg Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of cataract with insertion of prosthetic lens 8
Providers in IL who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.