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

WILLIAM S BAEK

Allopathic & Osteopathic Physicians Psychiatry & Neurology Neurology

NPI
1326095977
CMS profile
195662
Location
UPLAND, CA

General Payments · PY2018–2024

$53,108.78

  • Reported across 563 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$13,531.15

149 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

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $2,219.62 36
PY2019 $595.10 12
PY2020 $6,773.62 47
PY2021 $8,355.47 86
PY2022 $8,963.84 111
PY2023 $12,669.98 122
PY2024 $13,531.15 149

Payment records · PY2024 (149)

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. $19.69 01/03/2024 Food and Beverage Undisputed 01/23/2026 1103262447 CMS
ABBVIE INC. $8.04 01/12/2024 Food and Beverage Undisputed 01/23/2026 1103262449 CMS
ABBVIE INC. $27.95 01/18/2024 Food and Beverage Undisputed 01/23/2026 1103262451 CMS
ABBVIE INC. $22.61 02/02/2024 Food and Beverage Undisputed 01/23/2026 1103262453 CMS
ABBVIE INC. $13.11 02/08/2024 Food and Beverage Undisputed 01/23/2026 1103262455 CMS
ABBVIE INC. $124.97 03/05/2024 Food and Beverage Undisputed 01/23/2026 1103262457 CMS
ABBVIE INC. $4.82 03/05/2024 Travel and Lodging Undisputed 01/23/2026 1104176202 CMS
ABBVIE INC. $19.18 03/06/2024 Food and Beverage Undisputed 01/23/2026 1103262459 CMS
ABBVIE INC. $24.66 03/07/2024 Food and Beverage Undisputed 01/23/2026 1103262461 CMS
ABBVIE INC. $125.00 03/20/2024 Food and Beverage Undisputed 01/23/2026 1103262463 CMS
ABBVIE INC. $56.28 03/20/2024 Travel and Lodging Undisputed 01/23/2026 1104176204 CMS
ABBVIE INC. $3,250.00 04/02/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1103139665 CMS
ABBVIE INC. $23.27 04/04/2024 Food and Beverage Undisputed 01/23/2026 1103262465 CMS
ABBVIE INC. $3,250.00 04/09/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1103139667 CMS
ABBVIE INC. $15.07 04/10/2024 Food and Beverage Undisputed 01/23/2026 1103262467 CMS
ABBVIE INC. $31.51 04/22/2024 Food and Beverage Undisputed 01/23/2026 1103262469 CMS
ABBVIE INC. $32.98 04/26/2024 Food and Beverage Undisputed 01/23/2026 1103262471 CMS
ABBVIE INC. $13.11 04/30/2024 Food and Beverage Undisputed 01/23/2026 1103262473 CMS
ABBVIE INC. $5.03 05/20/2024 Food and Beverage Undisputed 01/23/2026 1103262475 CMS
ABBVIE INC. $16.22 05/21/2024 Food and Beverage Undisputed 01/23/2026 1103262477 CMS
ABBVIE INC. $18.83 05/31/2024 Food and Beverage Undisputed 01/23/2026 1103262479 CMS
ABBVIE INC. $7.23 06/14/2024 Food and Beverage Undisputed 01/23/2026 1103262481 CMS
ABBVIE INC. $10.83 06/27/2024 Food and Beverage Undisputed 01/23/2026 1103262483 CMS
ABBVIE INC. $18.81 07/22/2024 Food and Beverage Undisputed 01/23/2026 1103262485 CMS
ABBVIE INC. $8.77 08/02/2024 Food and Beverage Undisputed 01/23/2026 1103262487 CMS
ABBVIE INC. $9.64 08/02/2024 Food and Beverage Undisputed 01/23/2026 1103262489 CMS
ABBVIE INC. $33.69 08/22/2024 Food and Beverage Undisputed 01/23/2026 1103262491 CMS
ABBVIE INC. $11.51 08/23/2024 Food and Beverage Undisputed 01/23/2026 1103262493 CMS
ABBVIE INC. $15.30 08/27/2024 Food and Beverage Undisputed 01/23/2026 1103262495 CMS
ABBVIE INC. $9.57 09/14/2024 Food and Beverage Undisputed 01/23/2026 1103262497 CMS
ABBVIE INC. $14.02 09/27/2024 Food and Beverage Undisputed 01/23/2026 1103262499 CMS
ABBVIE INC. $15.07 10/04/2024 Food and Beverage Undisputed 01/23/2026 1103262501 CMS
ABBVIE INC. $15.00 10/18/2024 Food and Beverage Undisputed 01/23/2026 1103262503 CMS
ABBVIE INC. $16.33 10/24/2024 Food and Beverage Undisputed 01/23/2026 1103262505 CMS
ABBVIE INC. $8.49 11/06/2024 Food and Beverage Undisputed 01/23/2026 1103262507 CMS
ABBVIE INC. $9.31 11/09/2024 Food and Beverage Undisputed 01/23/2026 1103262509 CMS
ABBVIE INC. $2.44 11/09/2024 Food and Beverage Undisputed 01/23/2026 1103262511 CMS
ABBVIE INC. $11.20 12/06/2024 Food and Beverage Undisputed 01/23/2026 1103262513 CMS
ABBVIE INC. $3,250.00 12/10/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1103139669 CMS
ABBVIE INC. $15.70 12/10/2024 Food and Beverage Undisputed 01/23/2026 1103262515 CMS
ABBVIE INC. $104.12 12/10/2024 Food and Beverage Undisputed 01/23/2026 1103262517 CMS
ABBVIE INC. $11.66 12/10/2024 Travel and Lodging Undisputed 01/23/2026 1104176206 CMS
ABBVIE INC. $10.85 12/20/2024 Food and Beverage Undisputed 01/23/2026 1103262519 CMS
Alexion Pharmaceuticals, Inc. $28.15 01/22/2024 Food and Beverage Undisputed 01/23/2026 1094045675 CMS
Alexion Pharmaceuticals, Inc. $22.13 04/05/2024 Food and Beverage Undisputed 01/23/2026 1093897223 CMS
Alexion Pharmaceuticals, Inc. $29.79 04/24/2024 Food and Beverage Undisputed 01/23/2026 1093987245 CMS
Alexion Pharmaceuticals, Inc. $114.34 05/09/2024 Food and Beverage Undisputed 01/23/2026 1093921578 CMS
Alexion Pharmaceuticals, Inc. $100.00 05/22/2024 Education Undisputed 01/23/2026 1093883178 CMS
Alexion Pharmaceuticals, Inc. $100.00 05/22/2024 Education Undisputed 01/23/2026 1093948891 CMS
Alexion Pharmaceuticals, Inc. $10.14 06/13/2024 Food and Beverage Undisputed 01/23/2026 1093996350 CMS
Alexion Pharmaceuticals, Inc. $100.00 06/17/2024 Education Undisputed 01/23/2026 1093967712 CMS
Alexion Pharmaceuticals, Inc. $32.68 06/17/2024 Food and Beverage Undisputed 01/23/2026 1094024031 CMS
Alexion Pharmaceuticals, Inc. $32.23 08/07/2024 Food and Beverage Undisputed 01/23/2026 1093905057 CMS
Alexion Pharmaceuticals, Inc. $29.03 09/12/2024 Food and Beverage Undisputed 01/23/2026 1093970810 CMS
Alexion Pharmaceuticals, Inc. $33.25 10/27/2024 Food and Beverage Undisputed 01/23/2026 1093998457 CMS
Alexion Pharmaceuticals, Inc. $30.81 12/18/2024 Food and Beverage Undisputed 01/23/2026 1093982048 CMS
Alnylam Pharmaceuticals Inc. $25.07 03/22/2024 Food and Beverage Undisputed 01/23/2026 1125837237 CMS
ARGENX US, INC. $16.27 01/25/2024 Food and Beverage Undisputed 01/23/2026 1142102570 CMS
ARGENX US, INC. $19.96 05/09/2024 Food and Beverage Undisputed 01/23/2026 1142106658 CMS
ARGENX US, INC. $19.96 05/09/2024 Food and Beverage Undisputed 01/23/2026 1142117183 CMS
ARGENX US, INC. $33.08 06/15/2024 Food and Beverage Undisputed 01/23/2026 1142106886 CMS
ARGENX US, INC. $21.97 07/11/2024 Food and Beverage Undisputed 01/23/2026 1142108609 CMS
ARGENX US, INC. $31.83 08/12/2024 Food and Beverage Undisputed 01/23/2026 1142110531 CMS
ARGENX US, INC. $13.92 09/26/2024 Food and Beverage Undisputed 01/23/2026 1142122725 CMS
ARGENX US, INC. $33.76 12/11/2024 Food and Beverage Undisputed 01/23/2026 1142125035 CMS
Biogen, Inc. $30.00 01/19/2024 Food and Beverage Undisputed 01/23/2026 1104844196 CMS
Biogen, Inc. $23.89 05/08/2024 Food and Beverage Undisputed 01/23/2026 1104856682 CMS
Biogen, Inc. $19.23 11/20/2024 Food and Beverage Undisputed 01/23/2026 1104861390 CMS
Curonix LLC $105.86 09/26/2024 Food and Beverage Undisputed 01/23/2026 1132905156 CMS
Eisai Inc. $28.59 11/13/2024 Food and Beverage Undisputed 01/23/2026 1110788727 CMS
Genentech USA, Inc. $28.68 07/19/2024 Food and Beverage Undisputed 01/23/2026 1133132615 CMS
Genentech, Inc. $31.70 07/02/2024 Food and Beverage Undisputed 01/23/2026 1133132619 CMS
Genentech, Inc. $33.83 07/25/2024 Food and Beverage Undisputed 01/23/2026 1133132623 CMS
Grifols USA, LLC $22.59 03/29/2024 Food and Beverage Undisputed 01/23/2026 1124740418 CMS
Grifols USA, LLC $27.47 08/30/2024 Food and Beverage Undisputed 01/23/2026 1124740416 CMS
Ipsen Biopharmaceuticals, Inc $30.16 07/16/2024 Food and Beverage Undisputed 01/23/2026 1091953513 CMS
Ipsen Biopharmaceuticals, Inc $14.65 09/12/2024 Food and Beverage Undisputed 01/23/2026 1091953511 CMS
Lilly USA, LLC $19.12 03/08/2024 Food and Beverage Undisputed 01/23/2026 1135501752 CMS
LivaNova USA, Inc. $23.38 03/20/2024 Food and Beverage Undisputed 01/23/2026 1152788905 CMS
LivaNova USA, Inc. $14.95 07/03/2024 Food and Beverage Undisputed 01/23/2026 1152788965 CMS
LivaNova USA, Inc. $32.03 09/04/2024 Food and Beverage Undisputed 01/23/2026 1152788977 CMS
Lundbeck LLC $27.39 02/12/2024 Food and Beverage Undisputed 01/23/2026 1145894201 CMS
Lundbeck LLC $27.30 03/19/2024 Food and Beverage Undisputed 01/23/2026 1145894203 CMS
Lundbeck LLC $22.56 05/06/2024 Food and Beverage Undisputed 01/23/2026 1145894205 CMS
Lundbeck LLC $26.35 09/09/2024 Food and Beverage Undisputed 01/23/2026 1145894207 CMS
Lundbeck LLC $29.30 10/17/2024 Food and Beverage Undisputed 01/23/2026 1145894209 CMS
Mylan Specialty L.P. $89.29 04/13/2024 Food and Beverage Undisputed 01/23/2026 1147340750 CMS
Neurocrine Biosciences, Inc. $25.90 02/08/2024 Food and Beverage Undisputed 01/23/2026 1150837389 CMS
Novartis Pharmaceuticals Corporation $6.57 02/05/2024 Food and Beverage Undisputed 01/23/2026 1086691333 CMS
Novartis Pharmaceuticals Corporation $17.35 02/05/2024 Food and Beverage Undisputed 01/23/2026 1086691335 CMS
Novartis Pharmaceuticals Corporation $10.47 03/27/2024 Food and Beverage Undisputed 01/23/2026 1086691337 CMS
Novartis Pharmaceuticals Corporation $14.82 06/20/2024 Food and Beverage Undisputed 01/23/2026 1086691341 CMS
Novartis Pharmaceuticals Corporation $26.31 06/24/2024 Food and Beverage Undisputed 01/23/2026 1086691343 CMS
Novartis Pharmaceuticals Corporation $15.00 07/31/2024 Food and Beverage Undisputed 01/23/2026 1086691347 CMS
Novartis Pharmaceuticals Corporation $8.99 09/11/2024 Food and Beverage Undisputed 01/23/2026 1086691349 CMS
Novartis Pharmaceuticals Corporation $7.49 10/14/2024 Food and Beverage Undisputed 01/23/2026 1086691363 CMS
Novartis Pharmaceuticals Corporation $7.53 10/25/2024 Food and Beverage Undisputed 01/23/2026 1086691365 CMS
Novartis Pharmaceuticals Corporation $22.91 11/07/2024 Food and Beverage Undisputed 01/23/2026 1086691367 CMS
Novartis Pharmaceuticals Corporation $5.50 11/20/2024 Food and Beverage Undisputed 01/23/2026 1086691359 CMS
Novartis Pharmaceuticals Corporation $9.27 12/09/2024 Food and Beverage Undisputed 01/23/2026 1086691369 CMS
Otsuka America Pharmaceutical, Inc. $15.73 05/02/2024 Food and Beverage Undisputed 01/23/2026 1118857009 CMS
PFIZER INC. $15.50 01/11/2024 Food and Beverage Undisputed 01/23/2026 1131533379 CMS
PFIZER INC. $26.28 02/23/2024 Food and Beverage Undisputed 01/23/2026 1131585257 CMS
PFIZER INC. $10.43 03/07/2024 Food and Beverage Undisputed 01/23/2026 1131727959 CMS
PFIZER INC. $11.91 03/08/2024 Food and Beverage Undisputed 01/23/2026 1131727481 CMS
PFIZER INC. $25.00 04/08/2024 Food and Beverage Undisputed 01/23/2026 1131663466 CMS
PFIZER INC. $14.60 05/10/2024 Food and Beverage Undisputed 01/23/2026 1131598702 CMS
PFIZER INC. $8.22 05/24/2024 Food and Beverage Undisputed 01/23/2026 1131728617 CMS
PFIZER INC. $25.24 06/26/2024 Food and Beverage Undisputed 01/23/2026 1131789793 CMS
PFIZER INC. $9.27 07/09/2024 Food and Beverage Undisputed 01/23/2026 1131741318 CMS
PFIZER INC. $55.00 07/10/2024 Education Undisputed 01/23/2026 1131451351 CMS
PFIZER INC. $26.57 08/05/2024 Food and Beverage Undisputed 01/23/2026 1131747354 CMS
PFIZER INC. $8.93 08/16/2024 Food and Beverage Undisputed 01/23/2026 1131882872 CMS
PFIZER INC. $53.24 08/27/2024 Food and Beverage Undisputed 01/23/2026 1131865707 CMS
PFIZER INC. $9.34 09/04/2024 Food and Beverage Undisputed 01/23/2026 1131838332 CMS
PFIZER INC. $9.12 10/17/2024 Food and Beverage Undisputed 01/23/2026 1132075697 CMS
PFIZER INC. $26.37 11/08/2024 Food and Beverage Undisputed 01/23/2026 1131073116 CMS
PFIZER INC. $22.57 12/04/2024 Food and Beverage Undisputed 01/23/2026 1131177836 CMS
SCILEX PHARMACEUTICALS INC. $17.11 02/09/2024 Food and Beverage Undisputed 01/23/2026 1136223573 CMS
SCILEX PHARMACEUTICALS INC. $19.64 05/22/2024 Food and Beverage Undisputed 01/23/2026 1136245955 CMS
SK Life Science, Inc. $38.28 11/19/2024 Food and Beverage Undisputed 01/23/2026 1154145842 CMS
Takeda Pharmaceuticals U.S.A., Inc. $27.71 01/31/2024 Food and Beverage Undisputed 01/23/2026 1137478045 CMS
Takeda Pharmaceuticals U.S.A., Inc. $28.81 11/14/2024 Food and Beverage Undisputed 01/23/2026 1137478049 CMS
UCB, Inc. $25.94 01/26/2024 Food and Beverage Undisputed 01/23/2026 1143141637 CMS
UCB, Inc. $6.38 01/26/2024 Food and Beverage Undisputed 01/23/2026 1143165782 CMS
UCB, Inc. $26.18 01/30/2024 Food and Beverage Undisputed 01/23/2026 1143141642 CMS
UCB, Inc. $34.08 02/16/2024 Food and Beverage Undisputed 01/23/2026 1143141646 CMS
UCB, Inc. $8.65 03/07/2024 Food and Beverage Undisputed 01/23/2026 1143141650 CMS
UCB, Inc. $29.78 03/21/2024 Food and Beverage Undisputed 01/23/2026 1143141655 CMS
UCB, Inc. $10.58 04/08/2024 Food and Beverage Undisputed 01/23/2026 1143141659 CMS
UCB, Inc. $2.50 05/07/2024 Food and Beverage Undisputed 01/23/2026 1143141663 CMS
UCB, Inc. $7.28 05/07/2024 Food and Beverage Undisputed 01/23/2026 1143141667 CMS
UCB, Inc. $39.78 05/15/2024 Food and Beverage Undisputed 01/23/2026 1143141671 CMS
UCB, Inc. $27.63 05/16/2024 Food and Beverage Undisputed 01/23/2026 1143141675 CMS
UCB, Inc. $9.68 05/23/2024 Food and Beverage Undisputed 01/23/2026 1143141680 CMS
UCB, Inc. $49.65 05/23/2024 Food and Beverage Undisputed 01/23/2026 1143141684 CMS
UCB, Inc. $6.09 05/30/2024 Food and Beverage Undisputed 01/23/2026 1143141688 CMS
UCB, Inc. $39.39 05/30/2024 Food and Beverage Undisputed 01/23/2026 1143141693 CMS
UCB, Inc. $1.99 07/25/2024 Food and Beverage Undisputed 01/23/2026 1143141697 CMS
UCB, Inc. $15.78 07/25/2024 Food and Beverage Undisputed 01/23/2026 1143141701 CMS
UCB, Inc. $8.58 08/07/2024 Food and Beverage Undisputed 01/23/2026 1143141705 CMS
UCB, Inc. $9.94 08/14/2024 Food and Beverage Undisputed 01/23/2026 1143145984 CMS
UCB, Inc. $44.67 08/22/2024 Food and Beverage Undisputed 01/23/2026 1143145988 CMS
UCB, Inc. $32.07 08/28/2024 Food and Beverage Undisputed 01/23/2026 1143145992 CMS
UCB, Inc. $17.01 09/25/2024 Food and Beverage Undisputed 01/23/2026 1143145996 CMS
UCB, Inc. $38.45 10/24/2024 Food and Beverage Undisputed 01/23/2026 1143146001 CMS
UCB, Inc. $31.08 11/21/2024 Food and Beverage Undisputed 01/23/2026 1143146005 CMS
UCB, Inc. $12.55 12/04/2024 Food and Beverage Undisputed 01/23/2026 1143146009 CMS
UCB, Inc. $13.90 12/04/2024 Food and Beverage Undisputed 01/23/2026 1143146013 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

One page per canonical provider; split Profile_IDs are merged via Associated_Covered_Recipient_Profile_ID_1/_2 from the Covered Recipient Profile Supplement.

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