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

TIMOTHY CHANG

Allopathic & Osteopathic Physicians Dermatology MOHS-Micrographic Surgery

NPI
1962766337
CMS profile
1045889
Location
LA JOLLA, CA

General Payments · PY2018–2024

$8,604.77

  • Reported across 424 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$2,049.11

86 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
Food and Beverage $1,879.12 84
Education $169.99 2

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $870.65 44
PY2019 $940.59 52
PY2020 $507.53 26
PY2021 $1,554.92 85
PY2022 $1,526.68 76
PY2023 $1,155.29 55
PY2024 $2,049.11 86

Payment records · PY2024 (86)

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. $23.70 01/17/2024 Food and Beverage Undisputed 01/23/2026 1103442656 CMS
ABBVIE INC. $5.65 02/29/2024 Food and Beverage Undisputed 01/23/2026 1103442658 CMS
ABBVIE INC. $28.58 05/06/2024 Food and Beverage Undisputed 01/23/2026 1103442660 CMS
ABBVIE INC. $30.76 05/13/2024 Food and Beverage Undisputed 01/23/2026 1103442662 CMS
ABBVIE INC. $22.61 05/16/2024 Food and Beverage Undisputed 01/23/2026 1103442664 CMS
ABBVIE INC. $12.39 06/14/2024 Food and Beverage Undisputed 01/23/2026 1103442666 CMS
ABBVIE INC. $14.46 06/25/2024 Food and Beverage Undisputed 01/23/2026 1103442668 CMS
ABBVIE INC. $16.51 07/23/2024 Food and Beverage Undisputed 01/23/2026 1103442670 CMS
ABBVIE INC. $25.60 07/29/2024 Food and Beverage Undisputed 01/23/2026 1103442672 CMS
ABBVIE INC. $24.23 07/31/2024 Food and Beverage Undisputed 01/23/2026 1103442674 CMS
ABBVIE INC. $12.27 08/05/2024 Food and Beverage Undisputed 01/23/2026 1103442676 CMS
ABBVIE INC. $11.92 08/20/2024 Food and Beverage Undisputed 01/23/2026 1103442678 CMS
ABBVIE INC. $10.75 09/04/2024 Food and Beverage Undisputed 01/23/2026 1103442680 CMS
ABBVIE INC. $12.24 10/14/2024 Food and Beverage Undisputed 01/23/2026 1103442682 CMS
ABBVIE INC. $24.71 10/16/2024 Food and Beverage Undisputed 01/23/2026 1103442684 CMS
ABBVIE INC. $13.51 10/29/2024 Food and Beverage Undisputed 01/23/2026 1103442686 CMS
ABBVIE INC. $27.62 11/07/2024 Food and Beverage Undisputed 01/23/2026 1103442688 CMS
ABBVIE INC. $20.25 12/05/2024 Food and Beverage Undisputed 01/23/2026 1103442690 CMS
Amgen Inc. $26.44 01/08/2024 Food and Beverage Undisputed 01/23/2026 1117524297 CMS
Amgen Inc. $22.38 03/21/2024 Food and Beverage Undisputed 01/23/2026 1117524299 CMS
Amgen Inc. $11.63 04/22/2024 Food and Beverage Undisputed 01/23/2026 1117524301 CMS
Amgen Inc. $24.40 08/13/2024 Food and Beverage Undisputed 01/23/2026 1117524303 CMS
Amgen Inc. $14.40 10/07/2024 Food and Beverage Undisputed 01/23/2026 1117524305 CMS
Amgen Inc. $12.48 11/04/2024 Food and Beverage Undisputed 01/23/2026 1117524307 CMS
Amgen Inc. $29.92 11/20/2024 Food and Beverage Undisputed 01/23/2026 1117524309 CMS
Arcutis Biotherapeutics, Inc. $23.07 01/25/2024 Food and Beverage Undisputed 01/23/2026 1121076665 CMS
Arcutis Biotherapeutics, Inc. $23.23 04/10/2024 Food and Beverage Undisputed 01/23/2026 1121076669 CMS
Arcutis Biotherapeutics, Inc. $22.77 06/10/2024 Food and Beverage Undisputed 01/23/2026 1121076667 CMS
Arcutis Biotherapeutics, Inc. $14.39 08/28/2024 Food and Beverage Undisputed 01/23/2026 1121076671 CMS
Arcutis Biotherapeutics, Inc. $23.83 10/02/2024 Food and Beverage Undisputed 01/23/2026 1121076675 CMS
Arcutis Biotherapeutics, Inc. $24.08 11/25/2024 Food and Beverage Undisputed 01/23/2026 1121076673 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $19.48 03/20/2024 Food and Beverage Undisputed 01/23/2026 1118254114 CMS
E.R. Squibb & Sons, L.L.C. $3.80 01/29/2024 Food and Beverage Undisputed 01/23/2026 1101411857 CMS
E.R. Squibb & Sons, L.L.C. $33.93 01/29/2024 Food and Beverage Undisputed 01/23/2026 1101411859 CMS
E.R. Squibb & Sons, L.L.C. $36.91 02/22/2024 Food and Beverage Undisputed 01/23/2026 1101411865 CMS
E.R. Squibb & Sons, L.L.C. $33.39 03/20/2024 Food and Beverage Undisputed 01/23/2026 1101411889 CMS
E.R. Squibb & Sons, L.L.C. $34.91 04/18/2024 Food and Beverage Undisputed 01/23/2026 1101411895 CMS
E.R. Squibb & Sons, L.L.C. $33.74 04/29/2024 Food and Beverage Undisputed 01/23/2026 1101411903 CMS
E.R. Squibb & Sons, L.L.C. $37.08 07/01/2024 Food and Beverage Undisputed 01/23/2026 1101411929 CMS
E.R. Squibb & Sons, L.L.C. $10.49 08/12/2024 Food and Beverage Undisputed 01/23/2026 1101411935 CMS
E.R. Squibb & Sons, L.L.C. $14.43 09/10/2024 Food and Beverage Undisputed 01/23/2026 1101411947 CMS
E.R. Squibb & Sons, L.L.C. $33.08 11/14/2024 Food and Beverage Undisputed 01/23/2026 1101411959 CMS
E.R. Squibb & Sons, L.L.C. $5.72 12/12/2024 Food and Beverage Undisputed 01/23/2026 1101411971 CMS
Galderma Laboratories, L.P. $26.68 02/07/2024 Food and Beverage Undisputed 01/23/2026 1145289866 CMS
Incyte Corporation $16.28 02/21/2024 Food and Beverage Undisputed 01/23/2026 1141263271 CMS
Incyte Corporation $27.49 03/11/2024 Food and Beverage Undisputed 01/23/2026 1141313411 CMS
Incyte Corporation $16.15 05/08/2024 Food and Beverage Undisputed 01/23/2026 1141187642 CMS
Incyte Corporation $27.83 06/24/2024 Food and Beverage Undisputed 01/23/2026 1141230387 CMS
Incyte Corporation $13.61 08/07/2024 Food and Beverage Undisputed 01/23/2026 1141306627 CMS
Janssen Biotech, Inc. $84.99 04/10/2024 Education Undisputed 01/23/2026 1078302106 CMS
Janssen Biotech, Inc. $19.68 08/02/2024 Food and Beverage Undisputed 01/23/2026 1078302694 CMS
Janssen Biotech, Inc. $24.63 10/17/2024 Food and Beverage Undisputed 01/23/2026 1078302050 CMS
Janssen Biotech, Inc. $21.00 12/02/2024 Food and Beverage Undisputed 01/23/2026 1078302032 CMS
LEO Pharma Inc. $26.54 03/25/2024 Food and Beverage Undisputed 01/23/2026 1152623185 CMS
LEO Pharma Inc. $28.67 10/30/2024 Food and Beverage Undisputed 01/23/2026 1152623187 CMS
LEO Pharma Inc. $29.91 12/18/2024 Food and Beverage Undisputed 01/23/2026 1152623189 CMS
Lilly USA, LLC $24.68 12/19/2024 Food and Beverage Undisputed 01/23/2026 1135481873 CMS
Novartis Pharmaceuticals Corporation $30.62 07/15/2024 Food and Beverage Undisputed 01/23/2026 1086628537 CMS
Ortho Dermatologics, a division of Bausch Health US, LLC $17.12 05/07/2024 Food and Beverage Undisputed 01/23/2026 1153818169 CMS
PFIZER INC. $25.56 01/03/2024 Food and Beverage Undisputed 01/23/2026 1131140380 CMS
PFIZER INC. $21.27 03/04/2024 Food and Beverage Undisputed 01/23/2026 1131140384 CMS
PFIZER INC. $23.50 04/22/2024 Food and Beverage Undisputed 01/23/2026 1131368964 CMS
PFIZER INC. $29.06 06/17/2024 Food and Beverage Undisputed 01/23/2026 1131634396 CMS
PFIZER INC. $26.12 08/08/2024 Food and Beverage Undisputed 01/23/2026 1131777073 CMS
PFIZER INC. $26.39 09/05/2024 Food and Beverage Undisputed 01/23/2026 1131883604 CMS
PFIZER INC. $24.73 10/07/2024 Food and Beverage Undisputed 01/23/2026 1131964559 CMS
PFIZER INC. $25.76 11/04/2024 Food and Beverage Undisputed 01/23/2026 1132090297 CMS
PFIZER INC. $27.33 12/06/2024 Food and Beverage Undisputed 01/23/2026 1131194316 CMS
Regeneron Healthcare Solutions, Inc. $9.98 01/16/2024 Food and Beverage Undisputed 01/23/2026 1114021868 CMS
Regeneron Healthcare Solutions, Inc. $31.51 01/22/2024 Food and Beverage Undisputed 01/23/2026 1114021870 CMS
Regeneron Healthcare Solutions, Inc. $22.26 01/30/2024 Food and Beverage Undisputed 01/23/2026 1114021872 CMS
Regeneron Healthcare Solutions, Inc. $24.98 02/14/2024 Food and Beverage Undisputed 01/23/2026 1114021874 CMS
Regeneron Healthcare Solutions, Inc. $26.51 02/27/2024 Food and Beverage Undisputed 01/23/2026 1114021876 CMS
Regeneron Healthcare Solutions, Inc. $9.06 04/15/2024 Food and Beverage Undisputed 01/23/2026 1114021878 CMS
Regeneron Healthcare Solutions, Inc. $29.94 05/15/2024 Food and Beverage Undisputed 01/23/2026 1114021880 CMS
Regeneron Healthcare Solutions, Inc. $23.77 05/23/2024 Food and Beverage Undisputed 01/23/2026 1114021882 CMS
Regeneron Healthcare Solutions, Inc. $11.27 08/19/2024 Food and Beverage Undisputed 01/23/2026 1114021884 CMS
Regeneron Healthcare Solutions, Inc. $33.60 09/11/2024 Food and Beverage Undisputed 01/23/2026 1114021886 CMS
Regeneron Healthcare Solutions, Inc. $36.69 09/18/2024 Food and Beverage Undisputed 01/23/2026 1114021888 CMS
Regeneron Healthcare Solutions, Inc. $14.74 09/24/2024 Food and Beverage Undisputed 01/23/2026 1114021890 CMS
Regeneron Healthcare Solutions, Inc. $10.93 10/17/2024 Food and Beverage Undisputed 01/23/2026 1114021892 CMS
SUN PHARMACEUTICAL INDUSTRIES INC. $85.00 07/26/2024 Education Undisputed 01/23/2026 1152208694 CMS
SUN PHARMACEUTICAL INDUSTRIES INC. $30.54 11/06/2024 Food and Beverage Undisputed 01/23/2026 1152208696 CMS
UCB, Inc. $23.83 01/11/2024 Food and Beverage Undisputed 01/23/2026 1143054207 CMS
UCB, Inc. $21.71 02/20/2024 Food and Beverage Undisputed 01/23/2026 1143054209 CMS
UCB, Inc. $29.45 03/07/2024 Food and Beverage Undisputed 01/23/2026 1143054211 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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