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Edit this profileAt a glance
- 2349 Deming Way, Middleton, WI 53562
About Dr. Chang
Jonathan S. Chang, M.D. practices ophthalmology in Middleton, WI. Jonathan is a 2008 graduate of Columbia University College of Physicians and Surgeons. Medicare claims data shows Jonathan provided 3,710 services to 1,698 patients. The services billed most often include imaging of retina, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and injection of drug into eye. The provider's National Provider Identifier (NPI) is 1346403961.
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
- (608) 824-3937
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
2349 DEMING WAY
Middleton, WI 53562
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
Eye injury and cancer
- Chemical injury to the eye
- Foreign body in the eye
- Hyphema
- Open-globe eye injury
Inflammation, neurologic, and orbit
- Optic neuritis
- Optic neuropathy
- Orbital cellulitis
- Thyroid eye disease
- Uveitis
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
- Epiretinal membrane
- Retinal detachment
Eye injuries
Retina & vitreous
Procedures & services
Cataract and lens
- Cataract surgery with lens implant
- Laser-assisted cataract surgery
- Intraocular lens exchange
- YAG laser capsulotomy
Cornea and refractive
- Endothelial corneal transplant
Emergency and minor
- Corneal rust-ring removal
- Removal of an eye foreign body
- Repair of an eye or eyelid laceration
- Repair of ruptured globe
Examination and imaging
- Eye ultrasound
- Slit-lamp examination
- Visual-field testing
- Corneal topography
- Fluorescein angiography
Eyelid, tear duct, and muscle
- Chalazion removal
- Ectropion repair
- Eyelid surgery
- Tear-duct probing
- Drooping-eyelid repair
- Entropion repair
- Eye-muscle surgery
- Tear-duct bypass surgery
Glaucoma
- Cyclophotocoagulation
- Trabeculectomy
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Retina
- Macular hole surgery
- Pneumatic retinopexy
- Retinal laser treatment
- Scleral buckle surgery
- Vitrectomy
Most searched procedures
- Cataract surgery
- Eye exam
- LASIK
- Retina surgery
Corneal procedures
- Amniotic Membrane Eye Graft
Eye diagnostics
Eye injuries
- Eye Scratch Laceration Repair
- Foreign Object Removal from Eye
Eyelid surgery
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
3,710 services · 1,698 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug into eye | Procedure | 67028 |
589 | As often as other peers in Ophthalmology |
| Complex repair of detached retina and drainage of eye fluid between lens and retina | Procedure | 67113 |
17 | As often as other peers in Ophthalmology |
| Repair of detached retina with drainage and removal of eye fluid between lens and retina | Procedure | 67108 |
14 | Less often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
1,128 | More often than most peers in Ophthalmology |
| Extended exam of the back part of the eye with retinal drawing | Treatment | 92201 |
159 | More often than most peers in Ophthalmology |
| Injection, aflibercept, 1 mg | Drug given | J0178 |
378 | As often as other peers in Ophthalmology |
| Injection, bevacizumab, 10 mg | Drug given | J9035 |
101 | As often as other peers in Ophthalmology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
842 | More than most peers in Ophthalmology |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
387 | More often than most peers in Ophthalmology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
61 | 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.
Other eye doctors at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
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.
More connections — 26 related providers in 4 groups
Trained at Columbia University College of Physicians and Surgeons 8
Other providers in the same specialty who trained at the same institution.
Class of 2008 at Columbia University College of Physicians and Surgeons 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of drug into eye 8
Providers in WI who bill this service to Medicare most often.
Common questions
What does Jonathan S. Chang specialize in?
Jonathan S. Chang is an eye doctor in Middleton, WI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Jonathan S. Chang located?
Jonathan S. Chang is listed at 2349 Deming Way, Middleton, WI 53562. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Jonathan S. Chang's phone number?
The number on file is (608) 824-3937. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Jonathan S. Chang?
Jonathan S. Chang's National Provider Identifier is 1346403961. 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 Jonathan S. Chang train?
Jonathan S. Chang attended Columbia University College of Physicians and Surgeons, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Jonathan S. Chang have?
Jonathan S. Chang has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What does Jonathan S. Chang do most often?
According to Medicare billing data, Jonathan S. Chang performs procedures including injection of drug into eye, complex repair of detached retina and drainage of eye fluid between lens and retina and repair of detached retina with drainage and removal of eye fluid between lens and retina; provides treatments such as imaging of retina and extended exam of the back part of the eye with retinal drawing, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Jonathan S. Chang's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Jonathan S. Chang. If this is you, claiming it is free.
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