Covered recipient · General Payments record

SIMON SY TAN

Allopathic & Osteopathic Physicians Psychiatry & Neurology Neurology

NPI: 1811001365
CMS profile: 217586
Location: SOUTHLAKE, TX

General Payments · PY2018–2024

$16,588.54

Reported across 1,053 records
CMS publication 2026-01-23

Latest program year · PY2024

$2,038.56

129 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	$2,038.56	129

By paying entity

PY2024 · sorted by reported total

Paying entity	Amount	Records
ABBVIE INC.	$274.28	11
EMD Serono, Inc.	$258.61	27
Lundbeck LLC	$192.95	13
SK Life Science, Inc.	$179.85	15
Genentech USA, Inc.	$156.80	10
PFIZER INC.	$95.63	6
Biogen, Inc.	$95.32	5
Alnylam Pharmaceuticals Inc.	$88.17	4
Azurity Pharmaceuticals, Inc.	$80.63	4
NOVARTIS PHARMACEUTICALS CORPORATION	$79.99	4
UCB, Inc.	$73.88	4
EISAI INC.	$65.05	4
Otsuka America Pharmaceutical, Inc.	$48.82	3
Vanda Pharmaceuticals Inc.	$46.39	3
Teva Pharmaceuticals USA, Inc.	$42.57	2
Amneal Pharmaceuticals LLC	$42.04	2
ARGENX US, INC.	$38.84	2
Lilly USA, LLC	$36.02	2
Alexion Pharmaceuticals, Inc.	$21.11	1
Amgen Inc.	$20.76	1
Takeda Pharmaceuticals U.S.A., Inc.	$19.42	1
GE HEALTHCARE	$18.60	1
Celgene Corporation	$17.39	1
Kedrion Biopharma, Inc.	$15.26	1
Kyowa Kirin, Inc.	$15.18	1
Abbott Laboratories	$15.00	1

By program year

All program years on this page · sorted by year

Program year	Amount	Records
PY2018	$2,289.09	142
PY2019	$2,486.39	156
PY2020	$1,792.78	99
PY2021	$2,990.41	198
PY2022	$3,037.23	202
PY2023	$1,954.08	127
PY2024	$2,038.56	129

Payment records · PY2024 (129)

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
Abbott Laboratories	$15.00	07/19/2024	Food and Beverage	Undisputed	01/23/2026	1125282690	CMS
ABBVIE INC.	$9.25	01/18/2024	Food and Beverage	Undisputed	01/23/2026	1106198848	CMS
ABBVIE INC.	$18.52	01/23/2024	Food and Beverage	Undisputed	01/23/2026	1106198850	CMS
ABBVIE INC.	$17.42	03/04/2024	Food and Beverage	Undisputed	01/23/2026	1106198852	CMS
ABBVIE INC.	$10.44	03/06/2024	Food and Beverage	Undisputed	01/23/2026	1106198854	CMS
ABBVIE INC.	$24.31	06/11/2024	Food and Beverage	Undisputed	01/23/2026	1106198856	CMS
ABBVIE INC.	$29.67	07/15/2024	Food and Beverage	Undisputed	01/23/2026	1106198858	CMS
ABBVIE INC.	$13.97	08/06/2024	Food and Beverage	Undisputed	01/23/2026	1106198860	CMS
ABBVIE INC.	$10.41	08/29/2024	Food and Beverage	Undisputed	01/23/2026	1106198862	CMS
ABBVIE INC.	$4.83	09/04/2024	Food and Beverage	Undisputed	01/23/2026	1106198864	CMS
ABBVIE INC.	$115.42	10/02/2024	Food and Beverage	Undisputed	01/23/2026	1106198866	CMS
ABBVIE INC.	$20.04	10/31/2024	Food and Beverage	Undisputed	01/23/2026	1106198868	CMS
Alexion Pharmaceuticals, Inc.	$21.11	08/22/2024	Food and Beverage	Undisputed	01/23/2026	1093946289	CMS
Alnylam Pharmaceuticals Inc.	$27.26	03/25/2024	Food and Beverage	Undisputed	01/23/2026	1125838935	CMS
Alnylam Pharmaceuticals Inc.	$19.32	05/06/2024	Food and Beverage	Undisputed	01/23/2026	1125839035	CMS
Alnylam Pharmaceuticals Inc.	$16.33	06/24/2024	Food and Beverage	Undisputed	01/23/2026	1125839037	CMS
Alnylam Pharmaceuticals Inc.	$25.26	11/11/2024	Food and Beverage	Undisputed	01/23/2026	1125839041	CMS
Amgen Inc.	$20.76	10/09/2024	Food and Beverage	Undisputed	01/23/2026	1116168887	CMS
Amneal Pharmaceuticals LLC	$18.08	09/11/2024	Food and Beverage	Undisputed	01/23/2026	1139203436	CMS
Amneal Pharmaceuticals LLC	$23.96	10/23/2024	Food and Beverage	Undisputed	01/23/2026	1139203438	CMS
ARGENX US, INC.	$18.84	04/03/2024	Food and Beverage	Undisputed	01/23/2026	1142105115	CMS
ARGENX US, INC.	$20.00	07/11/2024	Food and Beverage	Undisputed	01/23/2026	1142107701	CMS
Azurity Pharmaceuticals, Inc.	$21.82	03/21/2024	Food and Beverage	Undisputed	01/23/2026	1134013391	CMS
Azurity Pharmaceuticals, Inc.	$20.11	06/19/2024	Food and Beverage	Undisputed	01/23/2026	1134013393	CMS
Azurity Pharmaceuticals, Inc.	$20.35	09/18/2024	Food and Beverage	Undisputed	01/23/2026	1134013395	CMS
Azurity Pharmaceuticals, Inc.	$18.35	10/10/2024	Food and Beverage	Undisputed	01/23/2026	1134013397	CMS
Biogen, Inc.	$20.75	01/29/2024	Food and Beverage	Undisputed	01/23/2026	1104849630	CMS
Biogen, Inc.	$15.73	03/11/2024	Food and Beverage	Undisputed	01/23/2026	1104851886	CMS
Biogen, Inc.	$22.37	04/11/2024	Food and Beverage	Undisputed	01/23/2026	1104818464	CMS
Biogen, Inc.	$19.73	07/18/2024	Food and Beverage	Undisputed	01/23/2026	1104828686	CMS
Biogen, Inc.	$16.74	09/04/2024	Food and Beverage	Undisputed	01/23/2026	1104863376	CMS
Celgene Corporation	$17.39	01/11/2024	Food and Beverage	Undisputed	01/23/2026	1101158166	CMS
Eisai Inc.	$13.47	06/06/2024	Food and Beverage	Undisputed	01/23/2026	1110781726	CMS
Eisai Inc.	$21.94	07/25/2024	Food and Beverage	Undisputed	01/23/2026	1110781730	CMS
Eisai Inc.	$14.96	08/26/2024	Food and Beverage	Undisputed	01/23/2026	1110781728	CMS
Eisai Inc.	$14.68	10/03/2024	Food and Beverage	Undisputed	01/23/2026	1110781732	CMS
EMD Serono, Inc.	$4.92	01/04/2024	Food and Beverage	Undisputed	01/23/2026	1120212480	CMS
EMD Serono, Inc.	$1.38	01/26/2024	Food and Beverage	Undisputed	01/23/2026	1120212484	CMS
EMD Serono, Inc.	$3.53	02/09/2024	Food and Beverage	Undisputed	01/23/2026	1120229740	CMS
EMD Serono, Inc.	$4.27	02/28/2024	Food and Beverage	Undisputed	01/23/2026	1120212478	CMS
EMD Serono, Inc.	$15.78	02/28/2024	Food and Beverage	Undisputed	01/23/2026	1120212482	CMS
EMD Serono, Inc.	$3.94	04/16/2024	Food and Beverage	Undisputed	01/23/2026	1120242629	CMS
EMD Serono, Inc.	$23.79	05/20/2024	Food and Beverage	Undisputed	01/23/2026	1120247189	CMS
EMD Serono, Inc.	$4.18	05/28/2024	Food and Beverage	Undisputed	01/23/2026	1120248927	CMS
EMD Serono, Inc.	$3.91	06/11/2024	Food and Beverage	Undisputed	01/23/2026	1120247599	CMS
EMD Serono, Inc.	$4.15	06/20/2024	Food and Beverage	Undisputed	01/23/2026	1120214914	CMS
EMD Serono, Inc.	$32.78	06/20/2024	Food and Beverage	Undisputed	01/23/2026	1120246265	CMS
EMD Serono, Inc.	$3.26	07/15/2024	Food and Beverage	Undisputed	01/23/2026	1120219307	CMS
EMD Serono, Inc.	$4.44	07/24/2024	Food and Beverage	Undisputed	01/23/2026	1120219789	CMS
EMD Serono, Inc.	$25.00	08/07/2024	Food and Beverage	Undisputed	01/23/2026	1120219653	CMS
EMD Serono, Inc.	$3.59	08/09/2024	Food and Beverage	Undisputed	01/23/2026	1120218765	CMS
EMD Serono, Inc.	$3.55	08/21/2024	Food and Beverage	Undisputed	01/23/2026	1120255755	CMS
EMD Serono, Inc.	$12.53	09/19/2024	Food and Beverage	Undisputed	01/23/2026	1120260812	CMS
EMD Serono, Inc.	$3.50	10/04/2024	Food and Beverage	Undisputed	01/23/2026	1120259762	CMS
EMD Serono, Inc.	$3.82	10/25/2024	Food and Beverage	Undisputed	01/23/2026	1120266926	CMS
EMD Serono, Inc.	$21.50	10/30/2024	Food and Beverage	Undisputed	01/23/2026	1120271116	CMS
EMD Serono, Inc.	$3.44	11/08/2024	Food and Beverage	Undisputed	01/23/2026	1120266976	CMS
EMD Serono, Inc.	$2.95	11/18/2024	Food and Beverage	Undisputed	01/23/2026	1120270344	CMS
EMD Serono, Inc.	$4.41	12/03/2024	Food and Beverage	Undisputed	01/23/2026	1120270328	CMS
EMD Serono, Inc.	$29.33	12/04/2024	Food and Beverage	Undisputed	01/23/2026	1120271090	CMS
EMD Serono, Inc.	$5.54	12/09/2024	Food and Beverage	Undisputed	01/23/2026	1120265155	CMS
EMD Serono, Inc.	$3.68	12/09/2024	Food and Beverage	Undisputed	01/23/2026	1120270292	CMS
EMD Serono, Inc.	$25.44	12/10/2024	Food and Beverage	Undisputed	01/23/2026	1120270316	CMS
GE HEALTHCARE	$18.60	09/05/2024	Food and Beverage	Undisputed	01/23/2026	1144687444	CMS
Genentech USA, Inc.	$21.22	01/22/2024	Food and Beverage	Undisputed	01/23/2026	1133113778	CMS
Genentech USA, Inc.	$6.92	04/04/2024	Food and Beverage	Undisputed	01/23/2026	1133113782	CMS
Genentech USA, Inc.	$21.08	05/15/2024	Food and Beverage	Undisputed	01/23/2026	1133113786	CMS
Genentech USA, Inc.	$10.26	06/27/2024	Food and Beverage	Undisputed	01/23/2026	1133113790	CMS
Genentech USA, Inc.	$8.52	07/18/2024	Food and Beverage	Undisputed	01/23/2026	1133113794	CMS
Genentech USA, Inc.	$18.83	08/21/2024	Food and Beverage	Undisputed	01/23/2026	1133113798	CMS
Genentech USA, Inc.	$17.90	09/30/2024	Food and Beverage	Undisputed	01/23/2026	1133113802	CMS
Genentech USA, Inc.	$9.65	10/31/2024	Food and Beverage	Undisputed	01/23/2026	1133113806	CMS
Genentech USA, Inc.	$27.07	11/20/2024	Food and Beverage	Undisputed	01/23/2026	1133113814	CMS
Genentech USA, Inc.	$15.35	12/19/2024	Food and Beverage	Undisputed	01/23/2026	1133113810	CMS
Kedrion Biopharma, Inc.	$15.26	07/29/2024	Food and Beverage	Undisputed	01/23/2026	1125860971	CMS
Kyowa Kirin, Inc.	$15.18	11/15/2024	Food and Beverage	Undisputed	01/23/2026	1127043243	CMS
Lilly USA, LLC	$18.76	02/22/2024	Food and Beverage	Undisputed	01/23/2026	1135427252	CMS
Lilly USA, LLC	$17.26	09/05/2024	Food and Beverage	Undisputed	01/23/2026	1135427254	CMS
Lundbeck LLC	$17.58	01/08/2024	Food and Beverage	Undisputed	01/23/2026	1145974132	CMS
Lundbeck LLC	$12.55	02/09/2024	Food and Beverage	Undisputed	01/23/2026	1145974134	CMS
Lundbeck LLC	$18.13	03/28/2024	Food and Beverage	Undisputed	01/23/2026	1145974136	CMS
Lundbeck LLC	$22.30	05/08/2024	Food and Beverage	Undisputed	01/23/2026	1145974138	CMS
Lundbeck LLC	$16.04	06/05/2024	Food and Beverage	Undisputed	01/23/2026	1145974140	CMS
Lundbeck LLC	$20.95	07/08/2024	Food and Beverage	Undisputed	01/23/2026	1145974142	CMS
Lundbeck LLC	$14.05	08/15/2024	Food and Beverage	Undisputed	01/23/2026	1145974144	CMS
Lundbeck LLC	$13.27	09/20/2024	Food and Beverage	Undisputed	01/23/2026	1145974146	CMS
Lundbeck LLC	$18.93	10/03/2024	Food and Beverage	Undisputed	01/23/2026	1145974148	CMS
Lundbeck LLC	$11.57	10/17/2024	Food and Beverage	Undisputed	01/23/2026	1145974150	CMS
Lundbeck LLC	$1.15	10/17/2024	Food and Beverage	Undisputed	01/23/2026	1145974152	CMS
Lundbeck LLC	$14.33	11/07/2024	Food and Beverage	Undisputed	01/23/2026	1145974154	CMS
Lundbeck LLC	$12.10	12/04/2024	Food and Beverage	Undisputed	01/23/2026	1145974156	CMS
Novartis Pharmaceuticals Corporation	$15.89	07/25/2024	Food and Beverage	Undisputed	01/23/2026	1087388208	CMS
Novartis Pharmaceuticals Corporation	$23.61	09/12/2024	Food and Beverage	Undisputed	01/23/2026	1087388210	CMS
Novartis Pharmaceuticals Corporation	$17.77	11/04/2024	Food and Beverage	Undisputed	01/23/2026	1087388214	CMS
Novartis Pharmaceuticals Corporation	$22.72	12/12/2024	Food and Beverage	Undisputed	01/23/2026	1087388216	CMS
Otsuka America Pharmaceutical, Inc.	$17.54	02/21/2024	Food and Beverage	Undisputed	01/23/2026	1118991642	CMS
Otsuka America Pharmaceutical, Inc.	$14.50	05/02/2024	Food and Beverage	Undisputed	01/23/2026	1118991644	CMS
Otsuka America Pharmaceutical, Inc.	$16.78	10/16/2024	Food and Beverage	Undisputed	01/23/2026	1118991646	CMS
PFIZER INC.	$13.75	01/25/2024	Food and Beverage	Undisputed	01/23/2026	1130945282	CMS
PFIZER INC.	$16.77	03/21/2024	Food and Beverage	Undisputed	01/23/2026	1131218574	CMS
PFIZER INC.	$14.10	07/11/2024	Food and Beverage	Undisputed	01/23/2026	1131684721	CMS
PFIZER INC.	$14.67	08/12/2024	Food and Beverage	Undisputed	01/23/2026	1131858813	CMS
PFIZER INC.	$17.64	10/07/2024	Food and Beverage	Undisputed	01/23/2026	1131927778	CMS
PFIZER INC.	$18.70	11/13/2024	Food and Beverage	Undisputed	01/23/2026	1132113337	CMS
SK Life Science, Inc.	$11.21	01/17/2024	Food and Beverage	Undisputed	01/23/2026	1154115319	CMS
SK Life Science, Inc.	$7.00	02/19/2024	Food and Beverage	Undisputed	01/23/2026	1154115327	CMS
SK Life Science, Inc.	$9.48	03/11/2024	Food and Beverage	Undisputed	01/23/2026	1154115349	CMS
SK Life Science, Inc.	$19.27	04/08/2024	Food and Beverage	Undisputed	01/23/2026	1154115367	CMS
SK Life Science, Inc.	$11.30	05/20/2024	Food and Beverage	Undisputed	01/23/2026	1154115381	CMS
SK Life Science, Inc.	$17.17	06/05/2024	Food and Beverage	Undisputed	01/23/2026	1154115391	CMS
SK Life Science, Inc.	$6.13	06/25/2024	Food and Beverage	Undisputed	01/23/2026	1154115403	CMS
SK Life Science, Inc.	$6.54	07/16/2024	Food and Beverage	Undisputed	01/23/2026	1154115409	CMS
SK Life Science, Inc.	$18.66	08/08/2024	Food and Beverage	Undisputed	01/23/2026	1154115413	CMS
SK Life Science, Inc.	$8.73	08/27/2024	Food and Beverage	Undisputed	01/23/2026	1154115423	CMS
SK Life Science, Inc.	$14.34	09/13/2024	Food and Beverage	Undisputed	01/23/2026	1154115431	CMS
SK Life Science, Inc.	$19.30	10/02/2024	Food and Beverage	Undisputed	01/23/2026	1154115443	CMS
SK Life Science, Inc.	$13.49	10/30/2024	Food and Beverage	Undisputed	01/23/2026	1154115453	CMS
SK Life Science, Inc.	$8.56	11/20/2024	Food and Beverage	Undisputed	01/23/2026	1154115467	CMS
SK Life Science, Inc.	$8.67	12/09/2024	Food and Beverage	Undisputed	01/23/2026	1154115477	CMS
Takeda Pharmaceuticals U.S.A., Inc.	$19.42	05/13/2024	Food and Beverage	Undisputed	01/23/2026	1137685822	CMS
Teva Pharmaceuticals USA, Inc.	$26.79	03/13/2024	Food and Beverage	Undisputed	01/23/2026	1151625880	CMS
Teva Pharmaceuticals USA, Inc.	$15.78	06/13/2024	Food and Beverage	Undisputed	01/23/2026	1151625928	CMS
UCB, Inc.	$14.61	01/25/2024	Food and Beverage	Undisputed	01/23/2026	1143290449	CMS
UCB, Inc.	$23.68	09/09/2024	Food and Beverage	Undisputed	01/23/2026	1143290454	CMS
UCB, Inc.	$18.87	11/25/2024	Food and Beverage	Undisputed	01/23/2026	1143317239	CMS
UCB, Inc.	$16.72	12/02/2024	Food and Beverage	Undisputed	01/23/2026	1143317243	CMS
Vanda Pharmaceuticals Inc.	$16.27	08/15/2024	Food and Beverage	Undisputed	01/23/2026	1133922359	CMS
Vanda Pharmaceuticals Inc.	$15.62	11/07/2024	Food and Beverage	Undisputed	01/23/2026	1133922362	CMS
Vanda Pharmaceuticals Inc.	$14.50	12/11/2024	Food and Beverage	Undisputed	01/23/2026	1133922366	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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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.