IndustryPayments
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

MARGARET A CHANG

Allopathic & Osteopathic Physicians Ophthalmology Retina Specialist

NPI
1477504405
CMS profile
405092
Location
SACRAMENTO, CA

General Payments · PY2018–2024

$122,303.48

  • Reported across 180 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$68,719.85

72 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.

Related groups: Retina Specialist CA All categories

By nature of payment

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Consulting Fee $48,827.00 21
Travel and Lodging $9,910.37 4
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program $7,380.00 3
Food and Beverage $2,602.48 44

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Genentech, Inc. $16,705.00 3
F. Hoffmann-La Roche AG $15,515.31 5
Ocular Therapeutix, Inc. $15,050.83 9
Genentech USA, Inc. $8,986.04 13
ABBVIE INC. $2,468.98 3
Astellas Pharma Global Development $2,382.00 1
EyePoint Pharmaceuticals US, Inc. $2,054.66 5
Carl Zeiss Meditec, Inc. $2,025.00 2
Boehringer Ingelheim International GmbH $1,325.00 2
Astellas Pharma US Inc $1,018.53 8
Apellis Pharmaceuticals, Inc. $528.09 9
Regeneron Healthcare Solutions, Inc. $411.39 5
Regeneron Pharmaceuticals, Inc. $93.47 2
TOPCON MEDICAL SYSTEMS, INC. $59.74 1
Amgen Inc. $49.82 2
Harrow Eye, LLC $27.92 1
Biogen, Inc. $18.07 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $7,428.56 11
PY2019 $11,617.33 16
PY2020 $6,246.43 10
PY2021 $3,425.29 9
PY2022 $22,441.17 27
PY2023 $2,424.85 35
PY2024 $68,719.85 72

Payment records · PY2024 (72)

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
ABBVIE INC. $32.08 07/10/2024 Food and Beverage Undisputed 01/23/2026 1103441852 CMS
ABBVIE INC. $36.90 07/18/2024 Food and Beverage Undisputed 01/23/2026 1103441854 CMS
ABBVIE INC. $2,400.00 08/05/2024 Consulting Fee Undisputed 01/23/2026 1103132707 CMS
Amgen Inc. $23.80 08/13/2024 Food and Beverage Undisputed 01/23/2026 1117524403 CMS
Amgen Inc. $26.02 11/05/2024 Food and Beverage Undisputed 01/23/2026 1117524405 CMS
Apellis Pharmaceuticals, Inc. $34.09 01/10/2024 Food and Beverage Undisputed 01/23/2026 1154025379 CMS
Apellis Pharmaceuticals, Inc. $34.75 03/14/2024 Food and Beverage Undisputed 01/23/2026 1154025385 CMS
Apellis Pharmaceuticals, Inc. $104.75 03/14/2024 Food and Beverage Undisputed 01/23/2026 1154025389 CMS
Apellis Pharmaceuticals, Inc. $34.69 04/17/2024 Food and Beverage Undisputed 01/23/2026 1154025383 CMS
Apellis Pharmaceuticals, Inc. $28.79 06/25/2024 Food and Beverage Undisputed 01/23/2026 1154025381 CMS
Apellis Pharmaceuticals, Inc. $108.30 08/23/2024 Food and Beverage Undisputed 01/23/2026 1154025377 CMS
Apellis Pharmaceuticals, Inc. $117.48 09/11/2024 Food and Beverage Undisputed 01/23/2026 1154025375 CMS
Apellis Pharmaceuticals, Inc. $32.56 10/15/2024 Food and Beverage Undisputed 01/23/2026 1154025387 CMS
Apellis Pharmaceuticals, Inc. $32.68 11/13/2024 Food and Beverage Undisputed 01/23/2026 1154025391 CMS
Astellas Pharma Global Development $2,382.00 07/24/2024 Consulting Fee Undisputed 01/23/2026 1132966487 CMS
Astellas Pharma US Inc $500.00 01/06/2024 Consulting Fee Undisputed 01/23/2026 1139454080 CMS
Astellas Pharma US Inc $96.97 01/10/2024 Food and Beverage Undisputed 01/23/2026 1139414273 CMS
Astellas Pharma US Inc $89.68 04/29/2024 Food and Beverage Undisputed 01/23/2026 1139334556 CMS
Astellas Pharma US Inc $53.75 05/13/2024 Food and Beverage Undisputed 01/23/2026 1139342818 CMS
Astellas Pharma US Inc $120.49 08/21/2024 Food and Beverage Undisputed 01/23/2026 1139398659 CMS
Astellas Pharma US Inc $35.13 08/23/2024 Food and Beverage Undisputed 01/23/2026 1139366977 CMS
Astellas Pharma US Inc $34.13 10/24/2024 Food and Beverage Undisputed 01/23/2026 1139412807 CMS
Astellas Pharma US Inc $88.38 12/03/2024 Food and Beverage Undisputed 01/23/2026 1139444288 CMS
Biogen, Inc. $18.07 01/30/2024 Food and Beverage Undisputed 01/23/2026 1104852232 CMS
Boehringer Ingelheim International GmbH $795.00 09/27/2024 Consulting Fee Undisputed 01/23/2026 1118024472 CMS
Boehringer Ingelheim International GmbH $530.00 11/27/2024 Consulting Fee Undisputed 01/23/2026 1118024470 CMS
Carl Zeiss Meditec, Inc. $810.00 04/24/2024 Consulting Fee Undisputed 01/23/2026 1153260224 CMS
Carl Zeiss Meditec, Inc. $1,215.00 06/05/2024 Consulting Fee Undisputed 01/23/2026 1153260226 CMS
EyePoint Pharmaceuticals US, Inc. $799.36 11/16/2024 Travel and Lodging Undisputed 01/23/2026 1089507188 CMS
EyePoint Pharmaceuticals US, Inc. $729.61 11/16/2024 Travel and Lodging Undisputed 01/23/2026 1089507398 CMS
EyePoint Pharmaceuticals US, Inc. $206.13 11/16/2024 Food and Beverage Undisputed 01/23/2026 1089507748 CMS
EyePoint Pharmaceuticals US, Inc. $218.68 11/16/2024 Food and Beverage Undisputed 01/23/2026 1089507968 CMS
EyePoint Pharmaceuticals US, Inc. $100.88 11/19/2024 Travel and Lodging Undisputed 01/23/2026 1089507162 CMS
F. Hoffmann-La Roche AG $2,100.00 09/19/2024 Consulting Fee Undisputed 01/23/2026 1133059907 CMS
F. Hoffmann-La Roche AG $16.65 09/19/2024 Food and Beverage Undisputed 01/23/2026 1133059911 CMS
F. Hoffmann-La Roche AG $8,280.52 09/21/2024 Travel and Lodging Undisputed 01/23/2026 1133059915 CMS
F. Hoffmann-La Roche AG $5,040.00 09/21/2024 Consulting Fee Undisputed 01/23/2026 1133059919 CMS
F. Hoffmann-La Roche AG $78.14 09/21/2024 Food and Beverage Undisputed 01/23/2026 1133059923 CMS
Genentech USA, Inc. $23.00 01/02/2024 Food and Beverage Undisputed 01/23/2026 1133059883 CMS
Genentech USA, Inc. $25.20 02/06/2024 Food and Beverage Undisputed 01/23/2026 1133059887 CMS
Genentech USA, Inc. $27.55 02/13/2024 Food and Beverage Undisputed 01/23/2026 1133059859 CMS
Genentech USA, Inc. $31.58 03/04/2024 Food and Beverage Undisputed 01/23/2026 1133059894 CMS
Genentech USA, Inc. $26.19 06/12/2024 Food and Beverage Undisputed 01/23/2026 1133059890 CMS
Genentech USA, Inc. $660.00 07/11/2024 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 1133059875 CMS
Genentech USA, Inc. $31.03 08/06/2024 Food and Beverage Undisputed 01/23/2026 1133059863 CMS
Genentech USA, Inc. $1,350.00 08/09/2024 Consulting Fee Undisputed 01/23/2026 1133059855 CMS
Genentech USA, Inc. $3,360.00 08/22/2024 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 1133059871 CMS
Genentech USA, Inc. $27.50 09/24/2024 Food and Beverage Undisputed 01/23/2026 1133059899 CMS
Genentech USA, Inc. $30.48 09/27/2024 Food and Beverage Undisputed 01/23/2026 1133059867 CMS
Genentech USA, Inc. $33.51 12/03/2024 Food and Beverage Undisputed 01/23/2026 1133059903 CMS
Genentech USA, Inc. $3,360.00 12/06/2024 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 1133059879 CMS
Genentech, Inc. $8,635.00 08/22/2024 Consulting Fee Undisputed 01/23/2026 1133059927 CMS
Genentech, Inc. $6,390.00 09/19/2024 Consulting Fee Undisputed 01/23/2026 1133059931 CMS
Genentech, Inc. $1,680.00 11/26/2024 Consulting Fee Undisputed 01/23/2026 1133059851 CMS
Harrow Eye, LLC $27.92 11/11/2024 Food and Beverage Undisputed 01/23/2026 1145599933 CMS
Ocular Therapeutix, Inc. $50.83 01/16/2024 Food and Beverage Undisputed 01/23/2026 1148201131 CMS
Ocular Therapeutix, Inc. $5,000.00 05/22/2024 Consulting Fee Undisputed 01/23/2026 1148201117 CMS
Ocular Therapeutix, Inc. $1,500.00 07/08/2024 Consulting Fee Undisputed 01/23/2026 1148201115 CMS
Ocular Therapeutix, Inc. $2,000.00 07/08/2024 Consulting Fee Undisputed 01/23/2026 1148201121 CMS
Ocular Therapeutix, Inc. $2,000.00 10/07/2024 Consulting Fee Undisputed 01/23/2026 1148201119 CMS
Ocular Therapeutix, Inc. $1,000.00 10/07/2024 Consulting Fee Undisputed 01/23/2026 1148201123 CMS
Ocular Therapeutix, Inc. $1,000.00 10/07/2024 Consulting Fee Undisputed 01/23/2026 1148201129 CMS
Ocular Therapeutix, Inc. $1,500.00 11/01/2024 Consulting Fee Undisputed 01/23/2026 1148201127 CMS
Ocular Therapeutix, Inc. $1,000.00 12/10/2024 Consulting Fee Undisputed 01/23/2026 1148201125 CMS
Regeneron Healthcare Solutions, Inc. $158.25 04/05/2024 Food and Beverage Undisputed 01/23/2026 1114021816 CMS
Regeneron Healthcare Solutions, Inc. $112.55 07/13/2024 Food and Beverage Undisputed 01/23/2026 1114021818 CMS
Regeneron Healthcare Solutions, Inc. $17.82 08/26/2024 Food and Beverage Undisputed 01/23/2026 1114021820 CMS
Regeneron Healthcare Solutions, Inc. $2.63 08/27/2024 Food and Beverage Undisputed 01/23/2026 1114021822 CMS
Regeneron Healthcare Solutions, Inc. $120.14 11/23/2024 Food and Beverage Undisputed 01/23/2026 1114021824 CMS
Regeneron Pharmaceuticals, Inc. $63.60 01/16/2024 Food and Beverage Undisputed 01/23/2026 1114397320 CMS
Regeneron Pharmaceuticals, Inc. $29.87 09/20/2024 Food and Beverage Undisputed 01/23/2026 1114397322 CMS
Topcon Healthcare, Inc. $59.74 09/11/2024 Food and Beverage Undisputed 01/23/2026 1145882794 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

One page per canonical provider; split Profile_IDs are merged via Associated_Covered_Recipient_Profile_ID_1/_2 from the Covered Recipient Profile Supplement.

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