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Edit this profileIan H. Chan, MD is a healthcare provider in New York, NY specializing in ophthalmology. Ian trained at Stanford University School of Medicine, graduating in 2007. According to Medicare claims data, Ian cared for 980 Medicare patients across 1,960 services. 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 extended exam of the back part of the eye with retinal drawing. This provider record is associated with NPI 1942406756.
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.
139 CENTRE ST PH 113
New York, NY 10013
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
1,960 services · 980 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug into eye | Procedure | 67028 |
210 | As often as other peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
546 | More often than most peers in Ophthalmology |
| Extended exam of the back part of the eye with retinal drawing | Treatment | 92201 |
241 | More often than most peers in Ophthalmology |
| Exam of the internal drainage system of eye | Treatment | 92020 |
20 | Less often than most peers in Ophthalmology |
| Injection, aflibercept, 1 mg | Drug given | J0178 |
164 | Less often than most peers in Ophthalmology |
| Injection, brolucizumab-dbll, 1 mg | Drug given | J0179 |
138 | Less often than most peers in Ophthalmology |
| Injection, bevacizumab, 10 mg | Drug given | J9035 |
87 | 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 |
276 | 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 |
238 | More often than most peers in Ophthalmology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
27 | 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.
Dr. Chan is an eye doctor in New York, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Dr. Chan is listed at 139 Centre St Ph 113, New York, NY 10013. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (917) 238-7875. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Chan's National Provider Identifier is 1942406756. 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. Chan attended Stanford University School of Medicine, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
Dr. Chan has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Chan performs procedures including injection of drug into eye; 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
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chan. If this is you, claiming it is free.
Guide.md
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