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

ELBERT CHANG

Allopathic & Osteopathic Physicians Obstetrics & Gynecology

NPI
1215460712
CMS profile
7228905
Location
DOWNEY, CA

General Payments · PY2019–2024

$6,897.84

  • Reported across 46 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$5,483.51

19 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

Nature of paymentAmountRecords
Education $4,000.00 3
Travel and Lodging $1,080.85 4
Food and Beverage $402.66 12

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
INTUITIVE SURGICAL, INC. $5,261.39 11
Sumitomo Pharma America, Inc. $83.83 3
SHIELD THERAPEUTICS INC $47.44 1
Medtronic, Inc. $34.02 1
Sage Therapeutics, Inc. $25.60 1
Organon LLC $16.34 1
MAYNE PHARMA COMMERCIAL LLC $14.89 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $378.41 6
PY2020 $24.07 1
PY2021 $97.89 5
PY2022 $57.37 3
PY2023 $856.59 12
PY2024 $5,483.51 19

Payment records · PY2024 (19)

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

Program year 2024 20192020202120222023 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
INTUITIVE SURGICAL, INC. $629.68 01/23/2024 Travel and Lodging Undisputed 01/23/2026 1137072869 CMS
INTUITIVE SURGICAL, INC. $25.00 01/23/2024 Travel and Lodging Undisputed 01/23/2026 1137194327 CMS
INTUITIVE SURGICAL, INC. $337.27 01/25/2024 Travel and Lodging Undisputed 01/23/2026 1137099644 CMS
INTUITIVE SURGICAL, INC. $28.00 01/26/2024 Food and Beverage Undisputed 01/23/2026 1137089176 CMS
INTUITIVE SURGICAL, INC. $1,000.00 01/26/2024 Education Undisputed 01/23/2026 1137127184 CMS
INTUITIVE SURGICAL, INC. $88.90 02/06/2024 Travel and Lodging Undisputed 01/23/2026 1137071160 CMS
INTUITIVE SURGICAL, INC. $117.03 04/09/2024 Food and Beverage Undisputed 01/23/2026 1137287261 CMS
INTUITIVE SURGICAL, INC. $1,500.00 06/05/2024 Education Undisputed 01/23/2026 1137222720 CMS
INTUITIVE SURGICAL, INC. $1,500.00 07/03/2024 Education Undisputed 01/23/2026 1137258103 CMS
INTUITIVE SURGICAL, INC. $27.76 07/16/2024 Food and Beverage Undisputed 01/23/2026 1137093321 CMS
INTUITIVE SURGICAL, INC. $7.75 07/16/2024 Food and Beverage Undisputed 01/23/2026 1137140458 CMS
MAYNE PHARMA COMMERCIAL LLC $14.89 12/13/2024 Food and Beverage Undisputed 01/23/2026 1154662579 CMS
Medtronic, Inc. $34.02 05/04/2024 Food and Beverage Undisputed 01/23/2026 1117177770 CMS
Organon Llc $16.34 07/29/2024 Food and Beverage Undisputed 01/23/2026 1136189434 CMS
Sage Therapeutics, Inc. $25.60 12/02/2024 Food and Beverage Undisputed 01/23/2026 1120400624 CMS
SHIELD THERAPEUTICS INC $47.44 12/06/2024 Food and Beverage Undisputed 01/23/2026 1150156670 CMS
Sumitomo Pharma America, Inc. $28.65 01/22/2024 Food and Beverage Undisputed 01/23/2026 1148836715 CMS
Sumitomo Pharma America, Inc. $29.93 03/18/2024 Food and Beverage Undisputed 01/23/2026 1148836717 CMS
Sumitomo Pharma America, Inc. $25.25 12/13/2024 Food and Beverage Undisputed 01/23/2026 1148836719 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
2019, 2020, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · 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.

Corrections to the substance of a record route to CMS through its review-and-dispute process; errors in how this site mirrors or displays a record route to us. Both paths are described in Methodology & Data.