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Edit this profileAt a glance
- 4777 E State St, Rockford, IL 61108
About Dr. Yoon
Based in Rockford, IL, Woosuk S. Yoon, M.D. is listed in the NPI registry under ophthalmology. Woosuk graduated from New York Medical College in 1995. According to Medicare claims data, Woosuk cared for 969 Medicare patients across 1,282 services. The services billed most often include removal of cataract with insertion of prosthetic lens, new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, and measurement of corneal curvature and depth of eye. NPI 1295844934 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (815) 227-0077
- Email not available
Practice Locations
4777 E STATE ST
Rockford, IL 61108
Conditions Commonly Evaluated or Treated
Within Ophthalmology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Procedures & services
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
1,282 services · 969 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
298 | More often than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
83 | More often than most peers in Ophthalmology |
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
72 | More than most peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
175 | More often than most peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
143 | As often as other peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
117 | Less often than most peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
94 | More often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
69 | As often as other peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
29 | Less often than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
25 | Less often than most peers in Ophthalmology |
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.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
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 eye doctors in Rockford 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at New York Medical College 8
Other providers in the same specialty who trained at the same institution.
Class of 1995 at New York Medical College 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.
Common questions
What does Woosuk S. Yoon specialize in?
Woosuk S. Yoon is an eye doctor in Rockford, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Woosuk S. Yoon located?
Woosuk S. Yoon is listed at 4777 E State St, Rockford, IL 61108. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Woosuk S. Yoon's phone number?
The number on file is (815) 227-0077. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Woosuk S. Yoon's NPI number?
Woosuk S. Yoon's National Provider Identifier is 1295844934. 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 Woosuk S. Yoon train?
Woosuk S. Yoon attended New York Medical College, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
How long has Woosuk S. Yoon been practicing?
Woosuk S. Yoon has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
What does Woosuk S. Yoon do most often?
According to Medicare billing data, Woosuk S. Yoon performs procedures including removal of cataract with insertion of prosthetic lens, removal of recurring cataract in lens capsule using a laser and complex removal of cataract with insertion of prosthetic lens; provides treatments such as measurement of corneal curvature and depth of eye and established patient problem focused exam of visual system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Woosuk S. Yoon confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Woosuk S. Yoon. If this is you, claiming it is free.
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