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Edit this profileBased in Alhambra, CA, Lung Chang, MD is listed in the NPI registry under ophthalmology. According to Medicare claims data, Lung cared for 141 Medicare patients across 168 services. The services billed most often include imaging of optic nerve, established patient complete exam of visual system, and new patient complete exam of visual system. NPI 1013935444 identifies this record in the national registry.
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.
1528 S GARFIELD AVE
Alhambra, CA 91801
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.
Eye injury and cancer
Inflammation, neurologic, and orbit
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
Retina and vitreous
Eye injuries
Retina & vitreous
Cataract and lens
Cornea and refractive
Emergency and minor
Examination and imaging
Eyelid, tear duct, and muscle
Glaucoma
Retina
Most searched procedures
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
168 services · 141 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Imaging of optic nerve | Treatment | 92133 |
79 | As often as other peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
49 | Less often than most peers in Ophthalmology |
| New patient complete exam of visual system | Treatment | 92004 |
40 | As often as other peers in Ophthalmology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Chang is an eye doctor in Alhambra, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Dr. Chang is listed at 1528 S Garfield Ave, Alhambra, CA 91801. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (626) 289-5432. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Chang's National Provider Identifier is 1013935444. 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
Dr. Chang attended Other, graduating in 1962. This comes from the CMS National Downloadable File.
CMS public data
Dr. Chang has 64 years experience. Calculated from a graduation year of 1962, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Chang provides treatments such as imaging of optic nerve and established patient complete exam of visual system. 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 Dr. Chang. If this is you, claiming it is free.
Guide.md
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