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Edit this profileAt a glance
- 109 N 28Th St E, Superior, WI 54880
About Dr. Yoon
Based in Superior, WI, John S. Yoon, MD is listed in the NPI registry under ophthalmology. John graduated from University of Michigan Medical School in 1987. According to Medicare claims data, John cared for 1,825 Medicare patients across 3,263 services. The services billed most often include imaging of retina, injection of drug into eye, and established patient complete exam of visual system. NPI 1609826452 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
- (715) 395-3900
- Email not available
Practice Locations
109 N 28TH ST E
Superior, WI 54880
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
- Cataracts
- Diabetic retinopathy
- Dry eye
- Glaucoma
- Macular degeneration
Cornea and external eye
- Blepharitis
- Corneal abrasion
- Corneal ulcer
- Keratoconus
- Pink eye
- Pterygium
Eyelid and tear drainage
- Blocked tear duct
- Chalazion
- Drooping eyelid
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
- Epiretinal membrane
- Retinal detachment
Eye injuries
- Foreign Object in Eye
Inflammation, neurologic, and orbit
- Thyroid eye disease
- Uveitis
Retina & vitreous
- Eye Floaters and Flashes
Procedures & services
Most searched procedures
- Cataract surgery
- Eye exam
- LASIK
- Retina surgery
Examination and imaging
- Corneal topography
- Fluorescein angiography
Cataract and lens
- Intraocular lens exchange
- YAG laser capsulotomy
Corneal procedures
- Amniotic Membrane Eye Graft
Eye diagnostics
- Optical Coherence Tomography Scan
Eye injuries
- Eye Scratch Laceration Repair
- Foreign Object Removal from Eye
Eyelid surgery
- Stye Removal
Eyelid, tear duct, and muscle
- Drooping-eyelid repair
- Entropion repair
- Eye-muscle surgery
- Eyelid surgery
- Tear-duct bypass surgery
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
- Laser Floater Removal
Laser procedures
- Laser Treatment for Retinal Tear
Laser vision correction
- SMILE Eye Surgery
Refractive surgery
- Clear Lens Exchange
- Implantable Contact Lenses
Tear duct & Orbit
- Orbital Decompression Surgery
- Tear Duct Plugs
Procedures Most Often Billed to Medicare
3,263 services · 1,825 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug into eye | Procedure | 67028 |
567 | As often as other peers in Ophthalmology |
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
53 | Less often than most peers in Ophthalmology |
| Closure of tear duct opening using plug | Procedure | 68761 |
24 | Less often than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
20 | Less often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
827 | More often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
440 | More often than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
179 | More often than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
159 | More often than most peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
63 | As often as other peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
63 | 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.
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.
Trained at University of Michigan Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at University of Michigan Medical School 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Injection of drug into eye 8
Providers in WI who bill this service to Medicare most often.
Common questions
What does Dr. Yoon specialize in?
Dr. Yoon is an eye doctor in Superior, WI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Dr. Yoon located?
Dr. Yoon is listed at 109 N 28Th St E, Superior, WI 54880. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Yoon's phone number?
The number on file is (715) 395-3900. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Yoon's NPI number?
Dr. Yoon's National Provider Identifier is 1609826452. 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. Yoon go to medical school?
Dr. Yoon attended University of Michigan Medical School, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Yoon been practicing?
Dr. Yoon has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Yoon do most often?
According to Medicare billing data, Dr. Yoon performs procedures including injection of drug into eye, removal of cataract with insertion of prosthetic lens and closure of tear duct opening using plug; provides treatments such as imaging of retina and established patient complete 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 Dr. Yoon confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Yoon. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.