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Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · CMS publication 2026-06-30 View official record

Reflects CMS Open Payments as of 2026-07-26T04:22:22Z. CMS updates this data on an annual cycle, and corrections or successful disputes made at CMS may not yet appear here. The official CMS record is authoritative for the current state. View the official CMS record ↗

Covered recipient · General Payments record

SIMON SY TAN

Allopathic & Osteopathic Physicians Psychiatry & Neurology Neurology

NPI
1811001365
CMS profile
217586
Location
SOUTHLAKE, TX

A name match is not confirmation of identity. CMS publishes records for different people under similar names; the NPI, specialty, and location shown on this page are the CMS-published fields that distinguish them.

General Payments · PY2019–2025

  • CMS publication 2026-06-30

Latest program year · PY2025

$2,557.20

114 records · 0 disputed

“Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.”

— Centers for Medicare & Medicaid Services, Open Payments

A reported payment reflects a financial relationship a company disclosed. It does not indicate wrongdoing or a conflict of interest, and it says nothing about the quality of a provider's care.

These records are submitted to CMS and attested to by the reporting companies. CMS publishes them as reported; this site mirrors them without independent verification.

A payment attributed to a provider may have been made to a third party — a hospital, practice, or research institution — rather than paid to the provider personally.

How these totals are calculated
  • This total is the sum of the individual General Payments record amounts CMS published for the labeled program year(s); each record amount is used unmodified. The total itself is computed by this site. 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) AND records>=2 AND NPI identity (all years).
  • Methodology & Data — sourcing, labeling, and limitations.

By nature of payment

PY2025 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $2,557.20 114

By paying entity

PY2025 · sorted by reported total

Paying entityAmountRecords
Vanda Pharmaceuticals Inc. $472.36 16
EISAI INC. $242.34 9
SK Life Science, Inc. $202.52 7
Lundbeck LLC $191.64 14
Genentech USA, Inc. $185.96 11
Biogen, Inc. $115.74 6
PFIZER INC. $110.45 6
Axsome Therapeutics, Inc. $89.34 4
Azurity Pharmaceuticals, Inc. $89.12 5
Curonix LLC $84.71 1
Otsuka America Pharmaceutical, Inc. $83.11 4
CSL Behring $81.69 4
Alnylam Pharmaceuticals Inc. $68.81 3
Amneal Pharmaceuticals LLC $64.35 3
ARGENX US, INC. $55.43 2
ABBVIE INC. $54.62 3
EMD Serono, Inc. $54.36 3
TONIX PHARMACEUTICALS, INC. $44.69 2
UCB, Inc. $40.70 1
Amgen Inc. $39.18 2
Supernus Pharmaceuticals, Inc. $38.75 2
NOVARTIS PHARMACEUTICALS CORPORATION $34.81 1
Grifols USA, LLC $32.01 1
Impel Pharmaceuticals LLC $24.53 1
SpringWorks Therapeutics, Inc. $20.00 1
Octapharma USA, Inc. $19.76 1
Abbott Laboratories $16.22 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
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
PY2025 $2,557.20 114

Payment records · PY2025 (114)

Ordering applied by this site (date, newest first, then paying entity) · record values are shown as CMS published them

Program year 2025 201920202021202220232024 Record-level detail is published for PY2025; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Otsuka America Pharmaceutical, Inc. $24.08 12/23/2025 Food and Beverage No dispute reported 06/30/2026 1227511936 CMS
Lundbeck LLC $11.34 12/22/2025 Food and Beverage No dispute reported 06/30/2026 1251852377 CMS
Axsome Therapeutics, Inc. $18.83 12/18/2025 Food and Beverage No dispute reported 06/30/2026 1235676018 CMS
Vanda Pharmaceuticals Inc. $13.50 12/17/2025 Food and Beverage No dispute reported 06/30/2026 1233007686 CMS
Biogen, Inc. $29.67 12/01/2025 Food and Beverage No dispute reported 06/30/2026 1208380225 CMS
Otsuka America Pharmaceutical, Inc. $24.24 11/21/2025 Food and Beverage No dispute reported 06/30/2026 1227511931 CMS
Genentech USA, Inc. $20.55 11/20/2025 Food and Beverage No dispute reported 06/30/2026 1211590850 CMS
Impel Pharmaceuticals LLC $24.53 11/19/2025 Food and Beverage No dispute reported 06/30/2026 1211452561 CMS
Vanda Pharmaceuticals Inc. $24.82 11/19/2025 Food and Beverage No dispute reported 06/30/2026 1233007684 CMS
Vanda Pharmaceuticals Inc. $125.00 11/17/2025 Food and Beverage No dispute reported 06/30/2026 1233007682 CMS
Axsome Therapeutics, Inc. $20.18 11/13/2025 Food and Beverage No dispute reported 06/30/2026 1235628676 CMS
Tonix Medicines, Inc. $20.43 11/12/2025 Food and Beverage No dispute reported 06/30/2026 1235874515 CMS
Eisai Inc. $15.91 11/10/2025 Food and Beverage No dispute reported 06/30/2026 1244513107 CMS
Lundbeck LLC $4.56 11/05/2025 Food and Beverage No dispute reported 06/30/2026 1251852375 CMS
Vanda Pharmaceuticals Inc. $28.28 11/05/2025 Food and Beverage No dispute reported 06/30/2026 1233007680 CMS
Lundbeck LLC $20.33 10/30/2025 Food and Beverage No dispute reported 06/30/2026 1251852373 CMS
Biogen, Inc. $19.10 10/29/2025 Food and Beverage No dispute reported 06/30/2026 1208448565 CMS
Axsome Therapeutics, Inc. $19.96 10/28/2025 Food and Beverage No dispute reported 06/30/2026 1235628643 CMS
Genentech USA, Inc. $22.93 10/23/2025 Food and Beverage No dispute reported 06/30/2026 1211590847 CMS
Vanda Pharmaceuticals Inc. $16.84 10/23/2025 Food and Beverage No dispute reported 06/30/2026 1233007678 CMS
CSL Behring $30.29 10/22/2025 Food and Beverage No dispute reported 06/30/2026 1232352306 CMS
Eisai Inc. $18.04 10/16/2025 Food and Beverage No dispute reported 06/30/2026 1244513105 CMS
SK Life Science, Inc. $13.07 10/15/2025 Food and Beverage No dispute reported 06/30/2026 1252279187 CMS
ABBVIE INC. $24.41 10/13/2025 Food and Beverage No dispute reported 06/30/2026 1204477753 CMS
Axsome Therapeutics, Inc. $30.37 10/09/2025 Food and Beverage No dispute reported 06/30/2026 1235565615 CMS
Eisai Inc. $124.49 10/08/2025 Food and Beverage No dispute reported 06/30/2026 1244513109 CMS
Vanda Pharmaceuticals Inc. $27.34 10/08/2025 Food and Beverage No dispute reported 06/30/2026 1233007676 CMS
ARGENX US, INC. $29.14 10/02/2025 Food and Beverage No dispute reported 06/30/2026 1240454048 CMS
Grifols USA, LLC $32.01 10/01/2025 Food and Beverage No dispute reported 06/30/2026 1249551238 CMS
Lundbeck LLC $13.90 09/25/2025 Food and Beverage No dispute reported 06/30/2026 1251852371 CMS
SpringWorks Therapeutics, Inc. $20.00 09/25/2025 Food and Beverage No dispute reported 06/30/2026 1232171689 CMS
Genentech USA, Inc. $19.37 09/22/2025 Food and Beverage No dispute reported 06/30/2026 1211590843 CMS
Azurity Pharmaceuticals, Inc. $15.62 09/18/2025 Food and Beverage No dispute reported 06/30/2026 1242680014 CMS
Vanda Pharmaceuticals Inc. $13.39 09/17/2025 Food and Beverage No dispute reported 06/30/2026 1233007674 CMS
Amneal Pharmaceuticals LLC $24.79 09/15/2025 Food and Beverage No dispute reported 06/30/2026 1220550900 CMS
Supernus Pharmaceuticals, Inc. $22.96 09/11/2025 Food and Beverage No dispute reported 06/30/2026 1244878568 CMS
Tonix Medicines, Inc. $24.26 09/10/2025 Food and Beverage No dispute reported 06/30/2026 1235874513 CMS
Alnylam Pharmaceuticals Inc. $23.40 09/08/2025 Food and Beverage No dispute reported 06/30/2026 1212773623 CMS
Vanda Pharmaceuticals Inc. $96.19 09/08/2025 Food and Beverage No dispute reported 06/30/2026 1233007672 CMS
Vanda Pharmaceuticals Inc. $20.68 09/04/2025 Food and Beverage No dispute reported 06/30/2026 1233007670 CMS
Amgen Inc. $19.56 08/27/2025 Food and Beverage No dispute reported 06/30/2026 1228652945 CMS
Biogen, Inc. $18.48 08/25/2025 Food and Beverage No dispute reported 06/30/2026 1208414718 CMS
Genentech USA, Inc. $16.69 08/21/2025 Food and Beverage No dispute reported 06/30/2026 1211590838 CMS
SK Life Science, Inc. $11.28 08/20/2025 Food and Beverage No dispute reported 06/30/2026 1252279163 CMS
SK Life Science, Inc. $120.13 08/18/2025 Food and Beverage No dispute reported 06/30/2026 1252279221 CMS
Eisai Inc. $16.47 08/14/2025 Food and Beverage No dispute reported 06/30/2026 1244513103 CMS
Lundbeck LLC $15.58 08/13/2025 Food and Beverage No dispute reported 06/30/2026 1251852369 CMS
PFIZER INC. $16.57 08/06/2025 Food and Beverage No dispute reported 06/30/2026 1229017660 CMS
Supernus Pharmaceuticals, Inc. $15.79 08/04/2025 Food and Beverage No dispute reported 06/30/2026 1244878566 CMS
Eisai Inc. $10.44 07/31/2025 Food and Beverage No dispute reported 06/30/2026 1244513101 CMS
Vanda Pharmaceuticals Inc. $12.45 07/31/2025 Food and Beverage No dispute reported 06/30/2026 1233007668 CMS
Genentech USA, Inc. $14.93 07/30/2025 Food and Beverage No dispute reported 06/30/2026 1211590834 CMS
Biogen, Inc. $14.94 07/28/2025 Food and Beverage No dispute reported 06/30/2026 1208312381 CMS
CSL Behring $20.21 07/24/2025 Food and Beverage No dispute reported 06/30/2026 1232352284 CMS
Lundbeck LLC $8.59 07/24/2025 Food and Beverage No dispute reported 06/30/2026 1251852367 CMS
Curonix LLC $84.71 07/23/2025 Food and Beverage No dispute reported 06/30/2026 1240384990 CMS
ABBVIE INC. $15.80 07/17/2025 Food and Beverage No dispute reported 06/30/2026 1204477749 CMS
Azurity Pharmaceuticals, Inc. $17.44 07/17/2025 Food and Beverage No dispute reported 06/30/2026 1242680011 CMS
PFIZER INC. $18.44 07/16/2025 Food and Beverage No dispute reported 06/30/2026 1229100465 CMS
SK Life Science, Inc. $14.70 07/14/2025 Food and Beverage No dispute reported 06/30/2026 1252279145 CMS
Lundbeck LLC $19.85 07/09/2025 Food and Beverage No dispute reported 06/30/2026 1251852365 CMS
Otsuka America Pharmaceutical, Inc. $18.85 07/02/2025 Food and Beverage No dispute reported 06/30/2026 1227511928 CMS
ARGENX US, INC. $26.29 06/30/2025 Food and Beverage No dispute reported 06/30/2026 1240439182 CMS
EMD Serono, Inc. $17.41 06/29/2025 Food and Beverage No dispute reported 06/30/2026 1236909655 CMS
Genentech USA, Inc. $16.59 06/26/2025 Food and Beverage No dispute reported 06/30/2026 1211590816 CMS
Vanda Pharmaceuticals Inc. $25.51 06/23/2025 Food and Beverage No dispute reported 06/30/2026 1233007666 CMS
Abbott Laboratories $16.22 06/13/2025 Food and Beverage No dispute reported 06/30/2026 1240803537 CMS
EMD Serono, Inc. $16.70 06/10/2025 Food and Beverage No dispute reported 06/30/2026 1236910161 CMS
Otsuka America Pharmaceutical, Inc. $15.94 06/06/2025 Food and Beverage No dispute reported 06/30/2026 1227511924 CMS
Eisai Inc. $14.49 06/05/2025 Food and Beverage No dispute reported 06/30/2026 1244513099 CMS
Alnylam Pharmaceuticals Inc. $18.91 06/04/2025 Food and Beverage No dispute reported 06/30/2026 1212773551 CMS
Lundbeck LLC $9.69 05/30/2025 Food and Beverage No dispute reported 06/30/2026 1251852363 CMS
Octapharma USA, Inc. $19.76 05/29/2025 Food and Beverage No dispute reported 06/30/2026 1245084093 CMS
Vanda Pharmaceuticals Inc. $18.50 05/21/2025 Food and Beverage No dispute reported 06/30/2026 1233007664 CMS
Genentech USA, Inc. $12.46 05/15/2025 Food and Beverage No dispute reported 06/30/2026 1211590830 CMS
PFIZER INC. $17.42 05/15/2025 Food and Beverage No dispute reported 06/30/2026 1231716063 CMS
CSL Behring $15.32 05/08/2025 Food and Beverage No dispute reported 06/30/2026 1232352266 CMS
UCB, Inc. $40.70 05/08/2025 Food and Beverage No dispute reported 06/30/2026 1224792458 CMS
Amneal Pharmaceuticals LLC $19.78 05/05/2025 Food and Beverage No dispute reported 06/30/2026 1220550898 CMS
Azurity Pharmaceuticals, Inc. $17.66 04/28/2025 Food and Beverage No dispute reported 06/30/2026 1242680009 CMS
Eisai Inc. $12.73 04/24/2025 Food and Beverage No dispute reported 06/30/2026 1244513097 CMS
Lundbeck LLC $7.75 04/24/2025 Food and Beverage No dispute reported 06/30/2026 1251852361 CMS
CSL Behring $15.87 04/23/2025 Food and Beverage No dispute reported 06/30/2026 1232352254 CMS
Genentech USA, Inc. $13.91 04/17/2025 Food and Beverage No dispute reported 06/30/2026 1211590819 CMS
SK Life Science, Inc. $12.65 04/16/2025 Food and Beverage No dispute reported 06/30/2026 1252279113 CMS
Vanda Pharmaceuticals Inc. $15.38 04/14/2025 Food and Beverage No dispute reported 06/30/2026 1233007662 CMS
ABBVIE INC. $14.41 04/11/2025 Food and Beverage No dispute reported 06/30/2026 1204477746 CMS
Lundbeck LLC $19.61 04/10/2025 Food and Beverage No dispute reported 06/30/2026 1251852359 CMS
PFIZER INC. $20.75 04/03/2025 Food and Beverage No dispute reported 06/30/2026 1231500414 CMS
Amneal Pharmaceuticals LLC $19.78 04/02/2025 Food and Beverage No dispute reported 06/30/2026 1220550896 CMS
Novartis Pharmaceuticals Corporation $34.81 03/27/2025 Food and Beverage No dispute reported 06/30/2026 1200487418 CMS
EMD Serono, Inc. $20.25 03/24/2025 Food and Beverage No dispute reported 06/30/2026 1236903251 CMS
Lundbeck LLC $4.16 03/21/2025 Food and Beverage No dispute reported 06/30/2026 1251852357 CMS
Genentech USA, Inc. $11.84 03/20/2025 Food and Beverage No dispute reported 06/30/2026 1211590826 CMS
Lundbeck LLC $15.36 03/20/2025 Food and Beverage No dispute reported 06/30/2026 1251852355 CMS
Azurity Pharmaceuticals, Inc. $14.92 03/10/2025 Food and Beverage No dispute reported 06/30/2026 1242680007 CMS
Amgen Inc. $19.62 03/06/2025 Food and Beverage No dispute reported 06/30/2026 1228652943 CMS
Eisai Inc. $19.01 03/06/2025 Food and Beverage No dispute reported 06/30/2026 1244513095 CMS
Biogen, Inc. $18.46 03/05/2025 Food and Beverage No dispute reported 06/30/2026 1208397387 CMS
Vanda Pharmaceuticals Inc. $14.08 03/03/2025 Food and Beverage No dispute reported 06/30/2026 1233007660 CMS
PFIZER INC. $17.09 02/27/2025 Food and Beverage No dispute reported 06/30/2026 1231501665 CMS
SK Life Science, Inc. $9.44 02/20/2025 Food and Beverage No dispute reported 06/30/2026 1252279081 CMS
Genentech USA, Inc. $18.99 02/19/2025 Food and Beverage No dispute reported 06/30/2026 1211590823 CMS
Vanda Pharmaceuticals Inc. $5.68 02/19/2025 Food and Beverage No dispute reported 06/30/2026 1233007658 CMS
PFIZER INC. $20.18 02/17/2025 Food and Beverage No dispute reported 06/30/2026 1230048709 CMS
Lundbeck LLC $18.19 02/13/2025 Food and Beverage No dispute reported 06/30/2026 1251852353 CMS
Azurity Pharmaceuticals, Inc. $23.48 02/05/2025 Food and Beverage No dispute reported 06/30/2026 1242680005 CMS
Alnylam Pharmaceuticals Inc. $26.50 01/29/2025 Food and Beverage No dispute reported 06/30/2026 1212773483 CMS
Vanda Pharmaceuticals Inc. $14.72 01/27/2025 Food and Beverage No dispute reported 06/30/2026 1233007656 CMS
Eisai Inc. $10.76 01/23/2025 Food and Beverage No dispute reported 06/30/2026 1244513093 CMS
Genentech USA, Inc. $17.70 01/15/2025 Food and Beverage No dispute reported 06/30/2026 1211590813 CMS
SK Life Science, Inc. $21.25 01/13/2025 Food and Beverage No dispute reported 06/30/2026 1252279043 CMS
Lundbeck LLC $22.73 01/08/2025 Food and Beverage No dispute reported 06/30/2026 1251852351 CMS
Biogen, Inc. $15.09 01/06/2025 Food and Beverage No dispute reported 06/30/2026 1208390404 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-06-30
Program years on this page
2019, 2020, 2021, 2022, 2023, 2024, 2025
Source files
Dataset page · Bulk file · PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024 , PY2025
Generated from
OP_DTL_GNRL_PGYR2025_P06302026_06032026.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.

Cite this record.

Permalink https://industrypayments.org/provider/npi-1811001365

Plain
SIMON SY TAN, NPI 1811001365. IndustryPayments, data edition 2026-07-26T04:22:22Z. https://industrypayments.org/provider/npi-1811001365.
APA 7
IndustryPayments. (2026). SIMON SY TAN, NPI 1811001365 (Data edition 2026-07-26T04:22:22Z) [Data set]. https://industrypayments.org/provider/npi-1811001365
Bluebook
SIMON SY TAN, NPI 1811001365, IndustryPayments (data edition 2026-07-26T04:22:22Z), https://industrypayments.org/provider/npi-1811001365.

Source: Centers for Medicare & Medicaid Services, Open Payments.