Physician Profile
Based in Glen Ellyn, IL, Alan Y. Chow, M.D. is listed in the NPI registry under ophthalmology. Alan graduated from Loyola University of Chicago, Stritch School of Medicine in 1976. According to Medicare claims data, Alan cared for 882 Medicare patients across 1,383 services. The services billed most often include exam to measure eye deviation and range of motion, imaging of optic nerve, and extended exam of the back part of the eye with optic nerve drawing.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
386 PENNSYLVANIA AVE STE 3N
Glen Ellyn, IL 60137
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
1,383 services · 882 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Exam to measure eye deviation and range of motion | Treatment | 92060 |
263 |
| Imaging of optic nerve | Treatment | 92133 |
244 |
| Extended exam of the back part of the eye with optic nerve drawing | Treatment | 92202 |
223 |
| Established patient complete exam of visual system | Treatment | 92014 |
193 |
| Established patient problem focused exam of visual system | Treatment | 92012 |
188 |
| Photography of the retina | Treatment | 92250 |
122 |
| Exam of visual field with extended testing | Treatment | 92083 |
80 |
| Imaging of retina | Treatment | 92134 |
49 |
| Photography of content of eyes | Treatment | 92285 |
21 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Alan Y. Chow is an eye doctor in Glen Ellyn, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Alan Y. Chow is listed at 386 Pennsylvania Ave Ste 3N, Glen Ellyn, IL 60137. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (630) 858-4411. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Alan Y. Chow's National Provider Identifier is 1891802096. 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
Alan Y. Chow attended Loyola University of Chicago, Stritch School of Medicine, graduating in 1976. This comes from the CMS National Downloadable File.
CMS public data
Alan Y. Chow has 50 years experience. Calculated from a graduation year of 1976, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Alan Y. Chow provides treatments such as exam to measure eye deviation and range of motion and imaging of optic nerve. 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 Alan Y. Chow. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.