npidexNPI registry + Medicare data

MARGARET CHANG, M.D.

Retina Specialist (Ophthalmology) Physician · SACRAMENTO, CA

Individual Active NPI 1477504405

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
20241,56367,794$15,458,190$5,531,902$4,351,246
20231,65852,296$15,025,020$5,566,006$4,369,584
20221,82922,201$14,311,348$5,113,059$4,010,727

Top procedures (2024)

HCPCSDescriptionServicesAvg allowedAvg paid
J2777Injection, faricimab-svoa, 0.1 mg49,500$34$27
92134Imaging of retina3,595$45$33
Q5128Injection, ranibizumab-eqrn (cimerli), biosimilar, 0.1 mg2,206$227$180
67028Injection of drug into eye2,166$138$103
J2782Injection, avacincaptad pegol, 0.1 mg1,960$109$86
J0177Injection, aflibercept hd, 1 mg1,496$331$264
J2781Injection, pegcetacoplan, intravitreal, 1 mg1,455$147$117
J0178Injection, aflibercept, 1 mg1,388$828$657
92014Established patient complete exam of visual system1,136$141$104
92012Established patient problem focused exam of visual system685$100$69
Q5124Injection, ranibizumab-nuna, biosimilar, (byooviz), 0.1 mg480$175$139
92235Exam of retinal blood vessels using a special camera after injection of a dye334$185$139

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Retina Specialist (Ophthalmology) Physician207WX0107X✓A103453CA
Ophthalmology Physician207W00000XD64111MD

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.