Physician Profile
Chia-Wen A. Chang, M.D. practices ophthalmology in Visalia, CA. Chia-Wen is a 2012 graduate of Medical College of Wisconsin. Medicare claims data shows Chia-Wen provided 2,337 services to 1,767 patients. The services billed most often include measurement of corneal curvature and depth of eye, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and established patient complete exam of visual system. The provider's National Provider Identifier (NPI) is 1417210451.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
5021 W NOBLE AVE STE A
Visalia, CA 93277
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.
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
2,337 services · 1,767 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
254 | More often than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
31 | As often as other peers in Ophthalmology |
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
18 | Less often than most peers in Ophthalmology |
| Removal or relocation of corneal conjunctiva | Procedure | 65420 |
17 | Too few peers to compare |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
25 | As often as other peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
437 | More than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
282 | As often as other peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
220 | More often than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
154 | More often than most peers in Ophthalmology |
| New patient complete exam of visual system | Treatment | 92004 |
148 | More often than most peers in Ophthalmology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Chia-Wen A. Chang is an eye doctor in Visalia, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Chia-Wen A. Chang is listed at 5021 W Noble Ave Ste A, Visalia, CA 93277. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (559) 627-9393. Contact the office directly to confirm availability and scheduling.
NPI registry
Chia-Wen A. Chang's National Provider Identifier is 1417210451. 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
Chia-Wen A. Chang attended Medical College of Wisconsin, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
Chia-Wen A. Chang has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Chia-Wen A. Chang 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; reads or performs imaging such as ultrasound scan of cornea to determine thickness; provides treatments such as measurement of corneal curvature and depth of eye 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
Not yet. This profile is built from public federal data and has not been confirmed by Chia-Wen A. Chang. If this is you, claiming it is free.
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