Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-01-23 View official record Methodology

Covered recipient · General Payments record

EMMANUEL Y CHANG

Allopathic & Osteopathic Physicians Ophthalmology Retina Specialist

NPI
1083877740
CMS profile
94025
Location
BELLAIRE, TX

General Payments · PY2018–2024

$262,236.86

  • Reported across 399 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$53,205.93

69 records · 0 disputed

Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.

How these totals are calculated
  • The total is the sum of the General Payments records CMS published for the labeled program year(s), exactly as published. Nothing is estimated, weighted, or combined across categories.
  • General Payments only. Research and Ownership/Investment are separate datasets and are never summed with these figures; amounts are kept separate per program year.
  • Featured-page threshold (a presentation gate, not a judgment): records>=3 OR total>=100 (all years).
  • Methodology & Data — sourcing, labeling, and limitations.

By nature of payment

PY2024 · sorted by reported total

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Bausch & Lomb Americas Inc. $21,059.73 12
Genentech USA, Inc. $16,728.77 26
Regeneron Healthcare Solutions, Inc. $14,900.47 17
Harrow Eye, LLC $206.60 2
Astellas Pharma US Inc $151.60 6
Biogen, Inc. $56.43 2
Apellis Pharmaceuticals, Inc. $55.51 3
Genentech, Inc. $46.82 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $39,549.23 76
PY2019 $22,889.10 56
PY2020 $12,939.58 14
PY2021 $35,914.24 45
PY2022 $54,317.11 67
PY2023 $43,421.67 72
PY2024 $53,205.93 69

Payment records · PY2024 (69)

Sorted by paying entity, then date · as published by CMS

Program year 2024 201820192020202120222023 Record-level detail is published for PY2024; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Apellis Pharmaceuticals, Inc. $18.09 02/22/2024 Food and Beverage Undisputed 01/23/2026 1154020731 CMS
Apellis Pharmaceuticals, Inc. $19.49 05/02/2024 Food and Beverage Undisputed 01/23/2026 1154020729 CMS
Apellis Pharmaceuticals, Inc. $17.93 11/14/2024 Food and Beverage Undisputed 01/23/2026 1154020733 CMS
Astellas Pharma US Inc $43.83 04/26/2024 Food and Beverage Undisputed 01/23/2026 1139337734 CMS
Astellas Pharma US Inc $23.08 04/27/2024 Food and Beverage Undisputed 01/23/2026 1139343068 CMS
Astellas Pharma US Inc $34.62 05/31/2024 Food and Beverage Undisputed 01/23/2026 1139351493 CMS
Astellas Pharma US Inc $9.67 07/03/2024 Food and Beverage Undisputed 01/23/2026 1139271148 CMS
Astellas Pharma US Inc $17.90 08/30/2024 Food and Beverage Undisputed 01/23/2026 1139399379 CMS
Astellas Pharma US Inc $22.50 11/07/2024 Food and Beverage Undisputed 01/23/2026 1139431796 CMS
Bausch & Lomb Americas Inc. $226.19 01/10/2024 Travel and Lodging Undisputed 01/23/2026 1140341476 CMS
Bausch & Lomb Americas Inc. $205.83 02/16/2024 Travel and Lodging Undisputed 01/23/2026 1140341474 CMS
Bausch & Lomb Americas Inc. $221.19 02/20/2024 Travel and Lodging Undisputed 01/23/2026 1140341482 CMS
Bausch & Lomb Americas Inc. $61.18 02/20/2024 Travel and Lodging Undisputed 01/23/2026 1140341486 CMS
Bausch & Lomb Americas Inc. $348.72 02/20/2024 Travel and Lodging Undisputed 01/23/2026 1140341490 CMS
Bausch & Lomb Americas Inc. $330.00 02/20/2024 Travel and Lodging Undisputed 01/23/2026 1140341492 CMS
Bausch & Lomb Americas Inc. $26.04 02/20/2024 Food and Beverage Undisputed 01/23/2026 1140341494 CMS
Bausch & Lomb Americas Inc. $7.42 02/21/2024 Food and Beverage Undisputed 01/23/2026 1140341484 CMS
Bausch & Lomb Americas Inc. $10,000.00 04/03/2024 Consulting Fee Undisputed 01/23/2026 1140341488 CMS
Bausch & Lomb Americas Inc. $18.62 05/06/2024 Food and Beverage Undisputed 01/23/2026 1140341496 CMS
Bausch & Lomb Americas Inc. $9,600.00 05/29/2024 Consulting Fee Undisputed 01/23/2026 1140341478 CMS
Bausch & Lomb Americas Inc. $14.54 12/05/2024 Food and Beverage Undisputed 01/23/2026 1140341480 CMS
Biogen, Inc. $27.87 01/11/2024 Food and Beverage Undisputed 01/23/2026 1104826854 CMS
Biogen, Inc. $28.56 02/16/2024 Food and Beverage Undisputed 01/23/2026 1104841179 CMS
Genentech USA, Inc. $3.40 02/29/2024 Food and Beverage Undisputed 01/23/2026 1133007532 CMS
Genentech USA, Inc. $22.83 02/29/2024 Food and Beverage Undisputed 01/23/2026 1133007536 CMS
Genentech USA, Inc. $6,720.00 04/01/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1133007435 CMS
Genentech USA, Inc. $1,085.43 04/01/2024 Travel and Lodging Undisputed 01/23/2026 1133007440 CMS
Genentech USA, Inc. $18.47 04/01/2024 Food and Beverage Undisputed 01/23/2026 1133007444 CMS
Genentech USA, Inc. $67.88 04/01/2024 Travel and Lodging Undisputed 01/23/2026 1133007448 CMS
Genentech USA, Inc. $118.36 04/01/2024 Food and Beverage Undisputed 01/23/2026 1133007452 CMS
Genentech USA, Inc. $24.98 04/18/2024 Food and Beverage Undisputed 01/23/2026 1133007456 CMS
Genentech USA, Inc. $3.37 04/18/2024 Food and Beverage Undisputed 01/23/2026 1133007460 CMS
Genentech USA, Inc. $126.25 05/01/2024 Food and Beverage Undisputed 01/23/2026 1133007464 CMS
Genentech USA, Inc. $5.12 07/25/2024 Food and Beverage Undisputed 01/23/2026 1133007468 CMS
Genentech USA, Inc. $60.00 08/02/2024 Travel and Lodging Undisputed 01/23/2026 1133007484 CMS
Genentech USA, Inc. $35.00 08/20/2024 Travel and Lodging Undisputed 01/23/2026 1133007500 CMS
Genentech USA, Inc. $7.58 09/05/2024 Food and Beverage Undisputed 01/23/2026 1133007472 CMS
Genentech USA, Inc. $675.00 09/17/2024 Travel and Lodging Undisputed 01/23/2026 1133007488 CMS
Genentech USA, Inc. $125.00 09/17/2024 Food and Beverage Undisputed 01/23/2026 1133007492 CMS
Genentech USA, Inc. $270.48 09/17/2024 Travel and Lodging Undisputed 01/23/2026 1133007496 CMS
Genentech USA, Inc. $382.95 09/17/2024 Travel and Lodging Undisputed 01/23/2026 1133007504 CMS
Genentech USA, Inc. $6,720.00 10/17/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1133007512 CMS
Genentech USA, Inc. $4.87 10/31/2024 Food and Beverage Undisputed 01/23/2026 1133007476 CMS
Genentech USA, Inc. $20.54 10/31/2024 Food and Beverage Undisputed 01/23/2026 1133007480 CMS
Genentech USA, Inc. $8.00 11/29/2024 Travel and Lodging Undisputed 01/23/2026 1133007516 CMS
Genentech USA, Inc. $32.00 11/29/2024 Travel and Lodging Undisputed 01/23/2026 1133007520 CMS
Genentech USA, Inc. $46.90 11/29/2024 Travel and Lodging Undisputed 01/23/2026 1133007524 CMS
Genentech USA, Inc. $17.05 11/29/2024 Food and Beverage Undisputed 01/23/2026 1133007528 CMS
Genentech USA, Inc. $127.31 12/05/2024 Food and Beverage Undisputed 01/23/2026 1133007508 CMS
Genentech, Inc. $46.82 05/22/2024 Food and Beverage Undisputed 01/23/2026 1133007540 CMS
Harrow Eye, LLC $17.12 06/20/2024 Food and Beverage Undisputed 01/23/2026 1145599915 CMS
Harrow Eye, LLC $189.48 06/28/2024 Food and Beverage Undisputed 01/23/2026 1145599917 CMS
Regeneron Healthcare Solutions, Inc. $27.39 01/18/2024 Food and Beverage Undisputed 01/23/2026 1114021724 CMS
Regeneron Healthcare Solutions, Inc. $3,280.00 01/23/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1114021726 CMS
Regeneron Healthcare Solutions, Inc. $529.00 01/30/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1114021728 CMS
Regeneron Healthcare Solutions, Inc. $35.75 02/14/2024 Food and Beverage Undisputed 01/23/2026 1114021730 CMS
Regeneron Healthcare Solutions, Inc. $347.50 02/23/2024 Consulting Fee Undisputed 01/23/2026 1114021732 CMS
Regeneron Healthcare Solutions, Inc. $2,085.00 02/23/2024 Consulting Fee Undisputed 01/23/2026 1114021734 CMS
Regeneron Healthcare Solutions, Inc. $114.57 02/26/2024 Food and Beverage Undisputed 01/23/2026 1114021736 CMS
Regeneron Healthcare Solutions, Inc. $117.43 04/22/2024 Food and Beverage Undisputed 01/23/2026 1114021738 CMS
Regeneron Healthcare Solutions, Inc. $7.50 05/02/2024 Food and Beverage Undisputed 01/23/2026 1114021740 CMS
Regeneron Healthcare Solutions, Inc. $35.47 06/25/2024 Food and Beverage Undisputed 01/23/2026 1114021742 CMS
Regeneron Healthcare Solutions, Inc. $5.93 07/23/2024 Food and Beverage Undisputed 01/23/2026 1114021744 CMS
Regeneron Healthcare Solutions, Inc. $36.26 08/22/2024 Food and Beverage Undisputed 01/23/2026 1114021746 CMS
Regeneron Healthcare Solutions, Inc. $29.35 10/17/2024 Food and Beverage Undisputed 01/23/2026 1114021748 CMS
Regeneron Healthcare Solutions, Inc. $8.25 10/31/2024 Food and Beverage Undisputed 01/23/2026 1114021750 CMS
Regeneron Healthcare Solutions, Inc. $1,780.97 12/10/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1114021752 CMS
Regeneron Healthcare Solutions, Inc. $112.10 12/19/2024 Food and Beverage Undisputed 01/23/2026 1114021754 CMS
Regeneron Healthcare Solutions, Inc. $6,348.00 12/24/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1114021756 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-01-23
Program years on this page
2018, 2019, 2020, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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