Covered recipient · General Payments record

SANNY K CHAN

Allopathic & Osteopathic Physicians Allergy & Immunology

NPI: 1043449788
CMS profile: 274575
Location: SANTA MONICA, CA

General Payments · PY2018–2024

$11,963.46

Reported across 416 records
CMS publication 2026-01-23

Latest program year · PY2024

$2,310.72

103 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 payment	Amount	Records
Food and Beverage	$2,095.85	100
Honoraria	$175.00	1
Consulting Fee	$39.87	2

By paying entity

PY2024 · sorted by reported total

Paying entity	Amount	Records
Acerta Pharma LLC	$388.99	17
CSL Behring	$281.22	18
GENZYME CORPORATION	$270.65	10
BioCryst US Sales Co., LLC	$197.35	11
GlaxoSmithKline, LLC.	$184.85	9
AIMMUNE THERAPEUTICS, INC.	$175.00	1
Amgen Inc.	$161.11	10
PFIZER INC.	$112.56	4
Regeneron Healthcare Solutions, Inc.	$108.54	4
NOVARTIS PHARMACEUTICALS CORPORATION	$81.72	4
Genentech USA, Inc.	$72.79	3
Takeda Pharmaceuticals U.S.A., Inc.	$70.66	3
Janssen Biotech, Inc.	$53.35	2
Octapharma USA, Inc.	$41.25	2
ADMA BioManufacturing LLC	$39.87	2
Kaleo, Inc.	$28.53	1
Pharming Healthcare, Inc.	$22.88	1
SANOFI-AVENTIS U.S. LLC	$19.40	1

By program year

All program years on this page · sorted by year

Program year	Amount	Records
PY2018	$131.78	2
PY2019	$154.94	2
PY2020	$415.54	10
PY2021	$2,312.61	85
PY2022	$3,372.30	109
PY2023	$3,265.57	105
PY2024	$2,310.72	103

Payment records · PY2024 (103)

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

Program year 2024 2018 2019 2020 2021 2022 2023 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
ADMA BioManufacturing LLC	$16.22	09/10/2024	Consulting Fee	Undisputed	01/23/2026	1149639330	CMS
ADMA BioManufacturing LLC	$23.65	11/14/2024	Consulting Fee	Undisputed	01/23/2026	1149639340	CMS
AIMMUNE THERAPEUTICS, INC.	$175.00	02/07/2024	Honoraria	Undisputed	01/23/2026	1146964256	CMS
Amgen Inc.	$13.55	02/06/2024	Food and Beverage	Undisputed	01/23/2026	1115490379	CMS
Amgen Inc.	$23.53	02/15/2024	Food and Beverage	Undisputed	01/23/2026	1115490384	CMS
Amgen Inc.	$10.00	04/24/2024	Food and Beverage	Undisputed	01/23/2026	1115490392	CMS
Amgen Inc.	$24.45	05/28/2024	Food and Beverage	Undisputed	01/23/2026	1115490398	CMS
Amgen Inc.	$17.03	06/20/2024	Food and Beverage	Undisputed	01/23/2026	1115490404	CMS
Amgen Inc.	$19.18	06/25/2024	Food and Beverage	Undisputed	01/23/2026	1115490410	CMS
Amgen Inc.	$9.51	07/17/2024	Food and Beverage	Undisputed	01/23/2026	1115490417	CMS
Amgen Inc.	$13.16	08/06/2024	Food and Beverage	Undisputed	01/23/2026	1115490424	CMS
Amgen Inc.	$12.65	10/04/2024	Food and Beverage	Undisputed	01/23/2026	1115490432	CMS
Amgen Inc.	$18.05	10/16/2024	Food and Beverage	Undisputed	01/23/2026	1115490436	CMS
AstraZeneca Pharmaceuticals LP	$24.29	01/18/2024	Food and Beverage	Undisputed	01/23/2026	1104625064	CMS
AstraZeneca Pharmaceuticals LP	$31.75	03/06/2024	Food and Beverage	Undisputed	01/23/2026	1104646417	CMS
AstraZeneca Pharmaceuticals LP	$23.76	03/19/2024	Food and Beverage	Undisputed	01/23/2026	1105798906	CMS
AstraZeneca Pharmaceuticals LP	$4.47	03/20/2024	Food and Beverage	Undisputed	01/23/2026	1105722126	CMS
AstraZeneca Pharmaceuticals LP	$18.50	03/27/2024	Food and Beverage	Undisputed	01/23/2026	1105771478	CMS
AstraZeneca Pharmaceuticals LP	$20.74	04/18/2024	Food and Beverage	Undisputed	01/23/2026	1104259213	CMS
AstraZeneca Pharmaceuticals LP	$26.18	05/01/2024	Food and Beverage	Undisputed	01/23/2026	1105882741	CMS
AstraZeneca Pharmaceuticals LP	$28.86	05/22/2024	Food and Beverage	Undisputed	01/23/2026	1105661466	CMS
AstraZeneca Pharmaceuticals LP	$25.00	06/13/2024	Food and Beverage	Undisputed	01/23/2026	1104250113	CMS
AstraZeneca Pharmaceuticals LP	$22.50	07/03/2024	Food and Beverage	Undisputed	01/23/2026	1104523846	CMS
AstraZeneca Pharmaceuticals LP	$21.20	07/22/2024	Food and Beverage	Undisputed	01/23/2026	1104387845	CMS
AstraZeneca Pharmaceuticals LP	$27.53	08/12/2024	Food and Beverage	Undisputed	01/23/2026	1104548348	CMS
AstraZeneca Pharmaceuticals LP	$22.04	09/20/2024	Food and Beverage	Undisputed	01/23/2026	1105358211	CMS
AstraZeneca Pharmaceuticals LP	$24.07	10/03/2024	Food and Beverage	Undisputed	01/23/2026	1105741702	CMS
AstraZeneca Pharmaceuticals LP	$24.95	11/21/2024	Food and Beverage	Undisputed	01/23/2026	1105617439	CMS
AstraZeneca Pharmaceuticals LP	$14.48	11/26/2024	Food and Beverage	Undisputed	01/23/2026	1105662988	CMS
AstraZeneca Pharmaceuticals LP	$28.67	12/21/2024	Food and Beverage	Undisputed	01/23/2026	1104719063	CMS
BioCryst US Sales Co., LLC	$12.47	01/26/2024	Food and Beverage	Undisputed	01/23/2026	1117482404	CMS
BioCryst US Sales Co., LLC	$14.14	03/07/2024	Food and Beverage	Undisputed	01/23/2026	1117470712	CMS
BioCryst US Sales Co., LLC	$10.48	04/29/2024	Food and Beverage	Undisputed	01/23/2026	1117476640	CMS
BioCryst US Sales Co., LLC	$12.41	05/17/2024	Food and Beverage	Undisputed	01/23/2026	1117472608	CMS
BioCryst US Sales Co., LLC	$27.23	06/05/2024	Food and Beverage	Undisputed	01/23/2026	1117474330	CMS
BioCryst US Sales Co., LLC	$1.21	06/18/2024	Food and Beverage	Undisputed	01/23/2026	1117474162	CMS
BioCryst US Sales Co., LLC	$10.89	06/18/2024	Food and Beverage	Undisputed	01/23/2026	1117474164	CMS
BioCryst US Sales Co., LLC	$33.12	08/02/2024	Food and Beverage	Undisputed	01/23/2026	1117475150	CMS
BioCryst US Sales Co., LLC	$24.28	08/28/2024	Food and Beverage	Undisputed	01/23/2026	1117480874	CMS
BioCryst US Sales Co., LLC	$9.45	08/30/2024	Food and Beverage	Undisputed	01/23/2026	1117478308	CMS
BioCryst US Sales Co., LLC	$41.67	10/08/2024	Food and Beverage	Undisputed	01/23/2026	1117474328	CMS
CSL Behring	$14.36	01/09/2024	Food and Beverage	Undisputed	01/23/2026	1134636749	CMS
CSL Behring	$17.55	01/24/2024	Food and Beverage	Undisputed	01/23/2026	1134636751	CMS
CSL Behring	$8.29	01/30/2024	Food and Beverage	Undisputed	01/23/2026	1134636753	CMS
CSL Behring	$4.83	02/20/2024	Food and Beverage	Undisputed	01/23/2026	1134636755	CMS
CSL Behring	$28.19	03/01/2024	Food and Beverage	Undisputed	01/23/2026	1134636757	CMS
CSL Behring	$14.64	03/12/2024	Food and Beverage	Undisputed	01/23/2026	1134636759	CMS
CSL Behring	$4.71	04/16/2024	Food and Beverage	Undisputed	01/23/2026	1134636763	CMS
CSL Behring	$4.16	04/16/2024	Food and Beverage	Undisputed	01/23/2026	1134636765	CMS
CSL Behring	$8.94	04/23/2024	Food and Beverage	Undisputed	01/23/2026	1134636769	CMS
CSL Behring	$27.57	04/25/2024	Food and Beverage	Undisputed	01/23/2026	1134636771	CMS
CSL Behring	$12.90	05/15/2024	Food and Beverage	Undisputed	01/23/2026	1134636775	CMS
CSL Behring	$9.26	06/27/2024	Food and Beverage	Undisputed	01/23/2026	1134636779	CMS
CSL Behring	$12.96	08/06/2024	Food and Beverage	Undisputed	01/23/2026	1134636781	CMS
CSL Behring	$32.81	08/28/2024	Food and Beverage	Undisputed	01/23/2026	1134636783	CMS
CSL Behring	$19.99	09/17/2024	Food and Beverage	Undisputed	01/23/2026	1134636787	CMS
CSL Behring	$24.72	10/15/2024	Food and Beverage	Undisputed	01/23/2026	1134636793	CMS
CSL Behring	$5.58	10/16/2024	Food and Beverage	Undisputed	01/23/2026	1134636795	CMS
CSL Behring	$29.76	10/30/2024	Food and Beverage	Undisputed	01/23/2026	1134636797	CMS
Genentech USA, Inc.	$30.41	03/22/2024	Food and Beverage	Undisputed	01/23/2026	1133107018	CMS
Genentech USA, Inc.	$21.00	11/05/2024	Food and Beverage	Undisputed	01/23/2026	1133107021	CMS
Genentech USA, Inc.	$21.38	12/17/2024	Food and Beverage	Undisputed	01/23/2026	1133107026	CMS
GENZYME CORPORATION	$32.48	02/01/2024	Food and Beverage	Undisputed	01/23/2026	1139816635	CMS
GENZYME CORPORATION	$20.23	04/23/2024	Food and Beverage	Undisputed	01/23/2026	1139816667	CMS
GENZYME CORPORATION	$18.98	05/16/2024	Food and Beverage	Undisputed	01/23/2026	1139816679	CMS
GENZYME CORPORATION	$16.33	06/18/2024	Food and Beverage	Undisputed	01/23/2026	1139816687	CMS
GENZYME CORPORATION	$39.70	07/02/2024	Food and Beverage	Undisputed	01/23/2026	1139816697	CMS
GENZYME CORPORATION	$34.89	08/02/2024	Food and Beverage	Undisputed	01/23/2026	1139816699	CMS
GENZYME CORPORATION	$30.22	09/26/2024	Food and Beverage	Undisputed	01/23/2026	1139816709	CMS
GENZYME CORPORATION	$32.10	09/30/2024	Food and Beverage	Undisputed	01/23/2026	1139816711	CMS
GENZYME CORPORATION	$8.20	11/05/2024	Food and Beverage	Undisputed	01/23/2026	1139816731	CMS
GENZYME CORPORATION	$37.52	11/27/2024	Food and Beverage	Undisputed	01/23/2026	1139816739	CMS
GlaxoSmithKline, LLC.	$25.35	02/09/2024	Food and Beverage	Undisputed	01/23/2026	1116731762	CMS
GlaxoSmithKline, LLC.	$3.46	03/25/2024	Food and Beverage	Undisputed	01/23/2026	1116549453	CMS
GlaxoSmithKline, LLC.	$5.42	03/25/2024	Food and Beverage	Undisputed	01/23/2026	1116668132	CMS
GlaxoSmithKline, LLC.	$26.31	05/30/2024	Food and Beverage	Undisputed	01/23/2026	1116735324	CMS
GlaxoSmithKline, LLC.	$30.26	07/31/2024	Food and Beverage	Undisputed	01/23/2026	1116133119	CMS
GlaxoSmithKline, LLC.	$21.46	08/28/2024	Food and Beverage	Undisputed	01/23/2026	1116465164	CMS
GlaxoSmithKline, LLC.	$27.29	08/29/2024	Food and Beverage	Undisputed	01/23/2026	1116518716	CMS
GlaxoSmithKline, LLC.	$21.92	10/10/2024	Food and Beverage	Undisputed	01/23/2026	1115916622	CMS
GlaxoSmithKline, LLC.	$23.38	11/12/2024	Food and Beverage	Undisputed	01/23/2026	1116356531	CMS
Janssen Biotech, Inc.	$26.85	11/06/2024	Food and Beverage	Undisputed	01/23/2026	1078339693	CMS
Janssen Biotech, Inc.	$26.50	12/17/2024	Food and Beverage	Undisputed	01/23/2026	1078340161	CMS
kaleo, Inc.	$28.53	04/10/2024	Food and Beverage	Undisputed	01/23/2026	1126629928	CMS
Novartis Pharmaceuticals Corporation	$18.77	01/09/2024	Food and Beverage	Undisputed	01/23/2026	1086728887	CMS
Novartis Pharmaceuticals Corporation	$20.70	05/01/2024	Food and Beverage	Undisputed	01/23/2026	1086728911	CMS
Novartis Pharmaceuticals Corporation	$18.86	06/14/2024	Food and Beverage	Undisputed	01/23/2026	1086728917	CMS
Novartis Pharmaceuticals Corporation	$23.39	10/24/2024	Food and Beverage	Undisputed	01/23/2026	1086728953	CMS
Octapharma USA, Inc.	$15.16	02/13/2024	Food and Beverage	Undisputed	01/23/2026	1142313180	CMS
Octapharma USA, Inc.	$26.09	05/07/2024	Food and Beverage	Undisputed	01/23/2026	1142313182	CMS
PFIZER INC.	$23.94	01/23/2024	Food and Beverage	Undisputed	01/23/2026	1130981545	CMS
PFIZER INC.	$24.64	04/09/2024	Food and Beverage	Undisputed	01/23/2026	1131326129	CMS
PFIZER INC.	$32.67	06/20/2024	Food and Beverage	Undisputed	01/23/2026	1131685368	CMS
PFIZER INC.	$31.31	10/24/2024	Food and Beverage	Undisputed	01/23/2026	1132123847	CMS
Pharming Healthcare, Inc.	$22.88	09/07/2024	Food and Beverage	Undisputed	01/23/2026	1132144732	CMS
Regeneron Healthcare Solutions, Inc.	$15.75	02/15/2024	Food and Beverage	Undisputed	01/23/2026	1114021314	CMS
Regeneron Healthcare Solutions, Inc.	$36.82	08/06/2024	Food and Beverage	Undisputed	01/23/2026	1114021316	CMS
Regeneron Healthcare Solutions, Inc.	$32.88	10/04/2024	Food and Beverage	Undisputed	01/23/2026	1114021318	CMS
Regeneron Healthcare Solutions, Inc.	$23.09	12/18/2024	Food and Beverage	Undisputed	01/23/2026	1114021320	CMS
SANOFI-AVENTIS U.S. LLC	$19.40	07/29/2024	Food and Beverage	Undisputed	01/23/2026	1139816719	CMS
Takeda Pharmaceuticals U.S.A., Inc.	$26.50	01/31/2024	Food and Beverage	Undisputed	01/23/2026	1137506512	CMS
Takeda Pharmaceuticals U.S.A., Inc.	$14.38	01/31/2024	Food and Beverage	Undisputed	01/23/2026	1137506515	CMS
Takeda Pharmaceuticals U.S.A., Inc.	$29.78	03/28/2024	Food and Beverage	Undisputed	01/23/2026	1137506519	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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