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

JOHN HU

Allopathic & Osteopathic Physicians Internal Medicine Hematology & Oncology

NPI
1649698127
CMS profile
4224880
Location
LOS ANGELES, CA

General Payments · PY2018–2024

$15,262.58

  • Reported across 622 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$3,462.31

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

Nature of paymentAmountRecords
Food and Beverage $3,462.31 149

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Merck Sharp & Dohme Corporation $482.54 16
NOVARTIS PHARMACEUTICALS CORPORATION $275.41 12
Takeda Pharmaceuticals U.S.A., Inc. $208.23 7
Celgene Corporation $193.86 15
Acerta Pharma LLC $173.72 8
Incyte Corporation $120.49 5
ABBVIE INC. $112.94 5
PFIZER INC. $106.16 6
Janssen Biotech, Inc. $102.50 4
Genentech USA, Inc. $97.59 4
BeiGene USA, Inc. $90.46 3
EISAI INC. $90.21 4
Astellas Pharma US Inc $81.28 3
Daiichi Sankyo Inc. $78.27 3
Gilead Sciences, Inc. $73.72 3
PharmaEssentia USA Corporation $65.69 2
Boehringer Ingelheim Pharmaceuticals, Inc. $64.59 2
Tempus AI, Inc $59.84 2
Regeneron Healthcare Solutions, Inc. $58.84 2
E.R. Squibb & Sons, L.L.C. $56.11 3
GENZYME CORPORATION $55.95 2
PUMA BIOTECHNOLOGY, INC. $54.14 2
ARRAY BIOPHARMA INC $54.01 3
Bayer HealthCare Pharmaceuticals Inc. $46.82 2
Alexion Pharmaceuticals, Inc. $38.71 2
Ipsen Biopharmaceuticals, Inc $38.39 2
AVEO Pharmaceuticals, Inc. $36.17 2
SERVIER PHARMACEUTICALS LLC $34.71 2
Deciphera Pharmaceuticals Inc. $34.41 1
Kite Pharma, Inc. $32.03 1
Legend Biotech USA Inc. $31.77 1
Blueprint Medicines Corporation $31.60 1
Exelixis Inc. $29.11 1
EMD Serono, Inc. $28.70 2
TerSera Therapeutics LLC $27.54 1
RECORDATI_RARE_DISEASES_INC. $24.29 1
Coherus Biosciences Inc. $24.00 1
Stemline Therapeutics Inc. $23.79 1
Rigel Pharmaceuticals, Inc. $23.52 2
Geron Corporation $22.50 1
TAIHO ONCOLOGY, INC. $22.29 1
Biocon Biologics Inc $22.28 1
Immunocore Limited $21.01 1
Mirati Therapeutics, Inc. $20.80 1
SOBI, INC $19.90 1
Lilly USA, LLC $19.88 1
SpringWorks Therapeutics, Inc. $18.72 1
JAZZ PHARMACEUTICALS INC. $17.90 1
CHIESI USA, INC. $14.92 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $974.76 14
PY2019 $1,335.48 21
PY2020 $966.69 48
PY2021 $1,779.99 84
PY2022 $3,087.33 148
PY2023 $3,656.02 158
PY2024 $3,462.31 149

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. $26.59 02/02/2024 Food and Beverage Undisputed 01/23/2026 1103947082 CMS
ABBVIE INC. $18.59 02/06/2024 Food and Beverage Undisputed 01/23/2026 1103947084 CMS
ABBVIE INC. $19.85 02/26/2024 Food and Beverage Undisputed 01/23/2026 1103947086 CMS
ABBVIE INC. $25.49 06/27/2024 Food and Beverage Undisputed 01/23/2026 1103947088 CMS
ABBVIE INC. $22.42 11/22/2024 Food and Beverage Undisputed 01/23/2026 1103947090 CMS
Alexion Pharmaceuticals, Inc. $16.80 06/03/2024 Food and Beverage Undisputed 01/23/2026 1093999216 CMS
Alexion Pharmaceuticals, Inc. $21.91 12/02/2024 Food and Beverage Undisputed 01/23/2026 1094028536 CMS
ARRAY BIOPHARMA INC $18.04 01/22/2024 Food and Beverage Undisputed 01/23/2026 1131152256 CMS
ARRAY BIOPHARMA INC $20.14 05/21/2024 Food and Beverage Undisputed 01/23/2026 1131566468 CMS
ARRAY BIOPHARMA INC $15.83 07/09/2024 Food and Beverage Undisputed 01/23/2026 1131342342 CMS
Astellas Pharma US Inc $33.33 02/08/2024 Food and Beverage Undisputed 01/23/2026 1139318986 CMS
Astellas Pharma US Inc $30.86 04/12/2024 Food and Beverage Undisputed 01/23/2026 1139354583 CMS
Astellas Pharma US Inc $17.09 11/01/2024 Food and Beverage Undisputed 01/23/2026 1139422493 CMS
AstraZeneca Pharmaceuticals LP $24.49 02/21/2024 Food and Beverage Undisputed 01/23/2026 1105296187 CMS
AstraZeneca Pharmaceuticals LP $22.62 04/01/2024 Food and Beverage Undisputed 01/23/2026 1104371123 CMS
AstraZeneca Pharmaceuticals LP $24.50 05/14/2024 Food and Beverage Undisputed 01/23/2026 1104242203 CMS
AstraZeneca Pharmaceuticals LP $18.58 06/19/2024 Food and Beverage Undisputed 01/23/2026 1105451990 CMS
AstraZeneca Pharmaceuticals LP $13.16 07/16/2024 Food and Beverage Undisputed 01/23/2026 1105537419 CMS
AstraZeneca Pharmaceuticals LP $25.57 09/30/2024 Food and Beverage Undisputed 01/23/2026 1104371655 CMS
AstraZeneca Pharmaceuticals LP $26.64 10/14/2024 Food and Beverage Undisputed 01/23/2026 1104443323 CMS
AstraZeneca Pharmaceuticals LP $18.16 10/18/2024 Food and Beverage Undisputed 01/23/2026 1104668003 CMS
Aveo Pharmaceuticals, Inc. $17.26 01/26/2024 Food and Beverage Undisputed 01/23/2026 1143479907 CMS
Aveo Pharmaceuticals, Inc. $18.91 07/25/2024 Food and Beverage Undisputed 01/23/2026 1143479913 CMS
Bayer Healthcare Pharmaceuticals Inc. $18.52 01/19/2024 Food and Beverage Undisputed 01/23/2026 1086199706 CMS
Bayer Healthcare Pharmaceuticals Inc. $28.30 03/29/2024 Food and Beverage Undisputed 01/23/2026 1086191116 CMS
BeiGene USA, Inc. $26.17 05/13/2024 Food and Beverage Undisputed 01/23/2026 1120858875 CMS
BeiGene USA, Inc. $32.33 10/17/2024 Food and Beverage Undisputed 01/23/2026 1120858873 CMS
BeiGene USA, Inc. $31.96 12/27/2024 Food and Beverage Undisputed 01/23/2026 1120858871 CMS
Biocon Biologics Inc $22.28 08/01/2024 Food and Beverage Undisputed 01/23/2026 1154784388 CMS
Blueprint Medicines Corporation $31.60 11/19/2024 Food and Beverage Undisputed 01/23/2026 1147444777 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $31.70 04/09/2024 Food and Beverage Undisputed 01/23/2026 1118095766 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $32.89 12/17/2024 Food and Beverage Undisputed 01/23/2026 1118095768 CMS
Celgene Corporation $17.57 02/05/2024 Food and Beverage Undisputed 01/23/2026 1101149013 CMS
Celgene Corporation $17.92 04/10/2024 Food and Beverage Undisputed 01/23/2026 1101149015 CMS
Celgene Corporation $1.36 05/02/2024 Food and Beverage Undisputed 01/23/2026 1101149019 CMS
Celgene Corporation $27.27 05/02/2024 Food and Beverage Undisputed 01/23/2026 1101149043 CMS
Celgene Corporation $2.65 08/30/2024 Food and Beverage Undisputed 01/23/2026 1101149051 CMS
Celgene Corporation $9.71 08/30/2024 Food and Beverage Undisputed 01/23/2026 1101149053 CMS
Celgene Corporation $1.36 08/30/2024 Food and Beverage Undisputed 01/23/2026 1101149055 CMS
Celgene Corporation $10.47 09/20/2024 Food and Beverage Undisputed 01/23/2026 1101149059 CMS
Celgene Corporation $9.85 10/11/2024 Food and Beverage Undisputed 01/23/2026 1101149063 CMS
Celgene Corporation $1.67 10/11/2024 Food and Beverage Undisputed 01/23/2026 1101149065 CMS
Celgene Corporation $15.88 10/11/2024 Food and Beverage Undisputed 01/23/2026 1101149067 CMS
Celgene Corporation $23.95 12/03/2024 Food and Beverage Undisputed 01/23/2026 1101149069 CMS
Celgene Corporation $2.92 12/13/2024 Food and Beverage Undisputed 01/23/2026 1101149071 CMS
Celgene Corporation $31.75 12/13/2024 Food and Beverage Undisputed 01/23/2026 1101149073 CMS
Celgene Corporation $19.53 12/13/2024 Food and Beverage Undisputed 01/23/2026 1101149075 CMS
Chiesi USA, Inc. $14.92 03/17/2024 Food and Beverage Undisputed 01/23/2026 1151808885 CMS
Coherus Biosciences Inc. $24.00 04/26/2024 Food and Beverage Undisputed 01/23/2026 1147274718 CMS
Daiichi Sankyo Inc. $25.86 01/30/2024 Food and Beverage Undisputed 01/23/2026 1089435148 CMS
Daiichi Sankyo Inc. $27.12 04/16/2024 Food and Beverage Undisputed 01/23/2026 1089435146 CMS
Daiichi Sankyo Inc. $25.29 07/26/2024 Food and Beverage Undisputed 01/23/2026 1089435154 CMS
Deciphera Pharmaceuticals Inc. $34.41 10/04/2024 Food and Beverage Undisputed 01/23/2026 1145873545 CMS
E.R. Squibb & Sons, L.L.C. $20.16 08/06/2024 Food and Beverage Undisputed 01/23/2026 1101513457 CMS
E.R. Squibb & Sons, L.L.C. $15.79 09/23/2024 Food and Beverage Undisputed 01/23/2026 1101513484 CMS
E.R. Squibb & Sons, L.L.C. $20.16 11/04/2024 Food and Beverage Undisputed 01/23/2026 1101513526 CMS
Eisai Inc. $24.76 03/05/2024 Food and Beverage Undisputed 01/23/2026 1110753820 CMS
Eisai Inc. $23.10 06/28/2024 Food and Beverage Undisputed 01/23/2026 1110753818 CMS
Eisai Inc. $17.55 07/18/2024 Food and Beverage Undisputed 01/23/2026 1110753822 CMS
Eisai Inc. $24.80 11/25/2024 Food and Beverage Undisputed 01/23/2026 1110753824 CMS
EMD Serono, Inc. $13.94 03/08/2024 Food and Beverage Undisputed 01/23/2026 1120224973 CMS
EMD Serono, Inc. $14.76 10/25/2024 Food and Beverage Undisputed 01/23/2026 1120271944 CMS
Exelixis Inc. $29.11 08/20/2024 Food and Beverage Undisputed 01/23/2026 1138559582 CMS
Genentech USA, Inc. $29.51 03/15/2024 Food and Beverage Undisputed 01/23/2026 1133035073 CMS
Genentech USA, Inc. $26.62 04/19/2024 Food and Beverage Undisputed 01/23/2026 1133035085 CMS
Genentech USA, Inc. $22.73 09/19/2024 Food and Beverage Undisputed 01/23/2026 1133035081 CMS
Genentech USA, Inc. $18.73 10/22/2024 Food and Beverage Undisputed 01/23/2026 1133035077 CMS
GENZYME CORPORATION $26.45 07/11/2024 Food and Beverage Undisputed 01/23/2026 1139887470 CMS
GENZYME CORPORATION $29.50 10/16/2024 Food and Beverage Undisputed 01/23/2026 1139887520 CMS
Geron Corporation $22.50 12/10/2024 Food and Beverage Undisputed 01/23/2026 1126533088 CMS
Gilead Sciences, Inc. $26.69 05/17/2024 Food and Beverage Undisputed 01/23/2026 1133805915 CMS
Gilead Sciences, Inc. $22.25 09/09/2024 Food and Beverage Undisputed 01/23/2026 1133805917 CMS
Gilead Sciences, Inc. $24.78 11/16/2024 Food and Beverage Undisputed 01/23/2026 1133805919 CMS
Immunocore Limited $21.01 02/29/2024 Food and Beverage Undisputed 01/23/2026 1103096941 CMS
Incyte Corporation $21.96 02/09/2024 Food and Beverage Undisputed 01/23/2026 1141283583 CMS
Incyte Corporation $26.65 04/30/2024 Food and Beverage Undisputed 01/23/2026 1141284665 CMS
Incyte Corporation $26.00 07/22/2024 Food and Beverage Undisputed 01/23/2026 1141314467 CMS
Incyte Corporation $25.78 09/27/2024 Food and Beverage Undisputed 01/23/2026 1141242806 CMS
Incyte Corporation $20.10 11/21/2024 Food and Beverage Undisputed 01/23/2026 1141211625 CMS
Ipsen Biopharmaceuticals, Inc $21.03 06/11/2024 Food and Beverage Undisputed 01/23/2026 1091956849 CMS
Ipsen Biopharmaceuticals, Inc $17.36 11/05/2024 Food and Beverage Undisputed 01/23/2026 1091956851 CMS
Janssen Biotech, Inc. $26.24 02/22/2024 Food and Beverage Undisputed 01/23/2026 1078308592 CMS
Janssen Biotech, Inc. $27.30 05/03/2024 Food and Beverage Undisputed 01/23/2026 1078306886 CMS
Janssen Biotech, Inc. $27.12 08/27/2024 Food and Beverage Undisputed 01/23/2026 1078306208 CMS
Janssen Biotech, Inc. $21.84 10/31/2024 Food and Beverage Undisputed 01/23/2026 1078307612 CMS
JAZZ PHARMACEUTICALS INC. $17.90 03/07/2024 Food and Beverage Undisputed 01/23/2026 1150225260 CMS
Kite Pharma, Inc. $32.03 08/12/2024 Food and Beverage Undisputed 01/23/2026 1128614549 CMS
Legend Biotech USA Inc. $31.77 08/05/2024 Food and Beverage Undisputed 01/23/2026 1131690591 CMS
Lilly USA, LLC $19.88 12/06/2024 Food and Beverage Undisputed 01/23/2026 1135079144 CMS
Merck Sharp & Dohme LLC $33.20 02/14/2024 Food and Beverage Undisputed 01/23/2026 1141567249 CMS
Merck Sharp & Dohme LLC $29.84 04/11/2024 Food and Beverage Undisputed 01/23/2026 1141567221 CMS
Merck Sharp & Dohme LLC $34.77 05/07/2024 Food and Beverage Undisputed 01/23/2026 1141567225 CMS
Merck Sharp & Dohme LLC $34.83 05/10/2024 Food and Beverage Undisputed 01/23/2026 1141567227 CMS
Merck Sharp & Dohme LLC $30.26 06/21/2024 Food and Beverage Undisputed 01/23/2026 1141909124 CMS
Merck Sharp & Dohme LLC $33.63 06/26/2024 Food and Beverage Undisputed 01/23/2026 1141567093 CMS
Merck Sharp & Dohme LLC $31.99 07/08/2024 Food and Beverage Undisputed 01/23/2026 1141825221 CMS
Merck Sharp & Dohme LLC $19.16 08/09/2024 Food and Beverage Undisputed 01/23/2026 1141825359 CMS
Merck Sharp & Dohme LLC $30.16 08/22/2024 Food and Beverage Undisputed 01/23/2026 1141567229 CMS
Merck Sharp & Dohme LLC $32.70 10/07/2024 Food and Beverage Undisputed 01/23/2026 1141567129 CMS
Merck Sharp & Dohme LLC $32.79 10/23/2024 Food and Beverage Undisputed 01/23/2026 1141825223 CMS
Merck Sharp & Dohme LLC $21.44 11/08/2024 Food and Beverage Undisputed 01/23/2026 1141825219 CMS
Merck Sharp & Dohme LLC $32.46 12/09/2024 Food and Beverage Undisputed 01/23/2026 1141567127 CMS
Merck Sharp & Dohme LLC $20.97 12/12/2024 Food and Beverage Undisputed 01/23/2026 1141567133 CMS
Merck Sharp & Dohme LLC $29.67 12/19/2024 Food and Beverage Undisputed 01/23/2026 1141567131 CMS
Merck Sharp & Dohme LLC $34.67 12/20/2024 Food and Beverage Undisputed 01/23/2026 1141567223 CMS
Mirati Therapeutics, Inc. $20.80 01/20/2024 Food and Beverage Undisputed 01/23/2026 1117170758 CMS
Novartis Pharmaceuticals Corporation $24.48 02/06/2024 Food and Beverage Undisputed 01/23/2026 1086799999 CMS
Novartis Pharmaceuticals Corporation $20.76 02/27/2024 Food and Beverage Undisputed 01/23/2026 1086800025 CMS
Novartis Pharmaceuticals Corporation $20.06 03/18/2024 Food and Beverage Undisputed 01/23/2026 1086800023 CMS
Novartis Pharmaceuticals Corporation $2.68 03/25/2024 Food and Beverage Undisputed 01/23/2026 1086800021 CMS
Novartis Pharmaceuticals Corporation $28.95 04/22/2024 Food and Beverage Undisputed 01/23/2026 1086800029 CMS
Novartis Pharmaceuticals Corporation $19.65 05/09/2024 Food and Beverage Undisputed 01/23/2026 1086800057 CMS
Novartis Pharmaceuticals Corporation $27.45 06/17/2024 Food and Beverage Undisputed 01/23/2026 1086800059 CMS
Novartis Pharmaceuticals Corporation $29.87 07/05/2024 Food and Beverage Undisputed 01/23/2026 1086800047 CMS
Novartis Pharmaceuticals Corporation $22.34 07/15/2024 Food and Beverage Undisputed 01/23/2026 1086800055 CMS
Novartis Pharmaceuticals Corporation $28.75 07/17/2024 Food and Beverage Undisputed 01/23/2026 1086800053 CMS
Novartis Pharmaceuticals Corporation $24.80 10/28/2024 Food and Beverage Undisputed 01/23/2026 1086800079 CMS
Novartis Pharmaceuticals Corporation $25.62 12/23/2024 Food and Beverage Undisputed 01/23/2026 1086800083 CMS
PFIZER INC. $24.37 01/27/2024 Food and Beverage Undisputed 01/23/2026 1131303597 CMS
PFIZER INC. $19.93 04/02/2024 Food and Beverage Undisputed 01/23/2026 1131308295 CMS
PFIZER INC. $18.01 04/26/2024 Food and Beverage Undisputed 01/23/2026 1131313043 CMS
PFIZER INC. $14.40 07/29/2024 Food and Beverage Undisputed 01/23/2026 1131347835 CMS
PFIZER INC. $5.88 10/02/2024 Food and Beverage Undisputed 01/23/2026 1142664176 CMS
PFIZER INC. $23.57 12/09/2024 Food and Beverage Undisputed 01/23/2026 1131391914 CMS
PharmaEssentia USA Corporation $33.33 01/17/2024 Food and Beverage Undisputed 01/23/2026 1137307908 CMS
PharmaEssentia USA Corporation $32.36 04/25/2024 Food and Beverage Undisputed 01/23/2026 1137307916 CMS
PUMA BIOTECHNOLOGY, INC. $25.10 06/19/2024 Food and Beverage Undisputed 01/23/2026 1113855523 CMS
PUMA BIOTECHNOLOGY, INC. $29.04 10/21/2024 Food and Beverage Undisputed 01/23/2026 1113836226 CMS
RECORDATI_RARE_DISEASES_INC. $24.29 01/05/2024 Food and Beverage Undisputed 01/23/2026 1139163248 CMS
Regeneron Healthcare Solutions, Inc. $29.45 01/04/2024 Food and Beverage Undisputed 01/23/2026 1114072539 CMS
Regeneron Healthcare Solutions, Inc. $29.39 07/19/2024 Food and Beverage Undisputed 01/23/2026 1114072541 CMS
Rigel Pharmaceuticals, Inc. $7.29 05/06/2024 Food and Beverage Undisputed 01/23/2026 1145202806 CMS
Rigel Pharmaceuticals, Inc. $16.23 12/13/2024 Food and Beverage Undisputed 01/23/2026 1145207997 CMS
SERVIER PHARMACEUTICALS LLC $15.89 03/01/2024 Food and Beverage Undisputed 01/23/2026 1147260710 CMS
SERVIER PHARMACEUTICALS LLC $18.82 04/06/2024 Food and Beverage Undisputed 01/23/2026 1147260712 CMS
SOBI, INC $19.90 05/28/2024 Food and Beverage Undisputed 01/23/2026 1141422653 CMS
SpringWorks Therapeutics, Inc. $18.72 05/16/2024 Food and Beverage Undisputed 01/23/2026 1085805233 CMS
Stemline Therapeutics Inc. $23.79 11/11/2024 Food and Beverage Undisputed 01/23/2026 1142960873 CMS
TAIHO ONCOLOGY, INC. $22.29 09/24/2024 Food and Beverage Undisputed 01/23/2026 1137943341 CMS
Takeda Pharmaceuticals U.S.A., Inc. $33.29 03/11/2024 Food and Beverage Undisputed 01/23/2026 1144959250 CMS
Takeda Pharmaceuticals U.S.A., Inc. $25.61 04/23/2024 Food and Beverage Undisputed 01/23/2026 1144959252 CMS
Takeda Pharmaceuticals U.S.A., Inc. $30.07 05/08/2024 Food and Beverage Undisputed 01/23/2026 1137580910 CMS
Takeda Pharmaceuticals U.S.A., Inc. $27.08 06/14/2024 Food and Beverage Undisputed 01/23/2026 1144959254 CMS
Takeda Pharmaceuticals U.S.A., Inc. $33.83 06/24/2024 Food and Beverage Undisputed 01/23/2026 1144959256 CMS
Takeda Pharmaceuticals U.S.A., Inc. $29.12 08/26/2024 Food and Beverage Undisputed 01/23/2026 1144959258 CMS
Takeda Pharmaceuticals U.S.A., Inc. $29.23 11/12/2024 Food and Beverage Undisputed 01/23/2026 1144959260 CMS
Tempus AI, Inc $29.89 05/20/2024 Food and Beverage Undisputed 01/23/2026 1150166468 CMS
Tempus AI, Inc $29.95 12/05/2024 Food and Beverage Undisputed 01/23/2026 1150166470 CMS
TerSera Therapeutics LLC $27.54 09/20/2024 Food and Beverage Undisputed 01/23/2026 1144715863 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.

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.