npidexNPI registry + Medicare data

TOM CHANG, MD

Retina Specialist (Ophthalmology) Physician · PASADENA, CA

Individual Active NPI 1609848969

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
202470115,128$6,367,404$2,498,420$1,948,943
202380814,342$6,211,531$2,665,324$2,083,683
202299017,718$7,828,581$3,604,723$2,812,711

Top procedures (2024)

HCPCSDescriptionServicesAvg allowedAvg paid
Q5128Injection, ranibizumab-eqrn (cimerli), biosimilar, 0.1 mg5,642$231$182
J2781Injection, pegcetacoplan, intravitreal, 1 mg3,300$148$117
92134Imaging of retina2,341$44$32
67028Injection of drug into eye1,733$120$93
92014Established patient complete exam of visual system430$136$95
92012Established patient problem focused exam of visual system374$98$70
92250Photography of the retina222$36$24
92235Exam of retinal blood vessels using a special camera after injection of a dye222$182$122
J2778Injection, ranibizumab, 0.1 mg176$163$129
J0178Injection, aflibercept, 1 mg156$826$655
J7999Compounded drug, not otherwise classified91$93$65
67228Destruction of leaking blood vessels of retina using laser80$363$282

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Retina Specialist (Ophthalmology) Physician207WX0107X✓A69909CA
Ophthalmology Physician207W00000XA69909CA

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.