npidexNPI registry + Medicare data

ALEXANDER CHANG, MD

Ophthalmology Physician · PITTSBURGH, PA

Individual Active NPI 1497808760

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
20241,8375,880$1,069,083$584,145$397,908
20231,8126,029$950,672$564,835$397,394
20221,7765,875$913,722$551,350$381,007

Top procedures (2024)

HCPCSDescriptionServicesAvg allowedAvg paid
92014Established patient complete exam of visual system1,463$111$67
92134Imaging of retina627$35$23
92012Established patient problem focused exam of visual system377$78$53
99213Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more371$81$50
92133Imaging of optic nerve350$31$20
83861Microfluid analysis of tears312$22$22
92083Exam of visual field with extended testing274$55$37
99212Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more217$50$34
92136Measurement of corneal curvature and depth of eye206$26$18
66984Removal of cataract with insertion of prosthetic lens199$462$353
92004New patient complete exam of visual system189$132$74
92250Photography of the retina140$31$20

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Ophthalmology Physician207W00000X✓MD019796EPA

Medicare eligibility

Part B
Yes
DME
Yes
Home health
Yes
Power mobility
Yes
Hospice
Yes

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Source: NPPES (public domain) and CMS Medicare Physician & Other Practitioners data. Not affiliated with CMS, NPPES, or any government agency.