IndustryPayments
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

BYUNG DON AHN

Allopathic & Osteopathic Physicians Internal Medicine Cardiovascular Disease

NPI
1194715193
CMS profile
99671
Location
UPLAND, CA

General Payments · PY2018–2024

$8,503.85

  • Reported across 404 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$966.87

49 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.

Related groups: Cardiovascular Disease CA All categories

By nature of payment

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $966.87 49

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $283.70 11
NOVARTIS PHARMACEUTICALS CORPORATION $206.98 16
Amgen Inc. $167.61 8
Janssen Pharmaceuticals, Inc $67.55 3
Merck Sharp & Dohme Corporation $52.74 3
Medtronic, Inc. $45.28 1
PFIZER INC. $40.55 2
Boehringer Ingelheim Pharmaceuticals, Inc. $33.85 2
SANOFI-AVENTIS U.S. LLC $24.00 1
SCPHARMACEUTICALS INC. $23.18 1
Abbott Laboratories $21.43 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,586.80 87
PY2019 $1,294.74 58
PY2020 $1,202.86 54
PY2021 $1,433.83 74
PY2022 $975.80 37
PY2023 $1,042.95 45
PY2024 $966.87 49

Payment records · PY2024 (49)

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
Abbott Laboratories $21.43 11/27/2024 Food and Beverage Undisputed 01/23/2026 1124893523 CMS
Amgen Inc. $18.60 01/16/2024 Food and Beverage Undisputed 01/23/2026 1111511287 CMS
Amgen Inc. $17.20 01/30/2024 Food and Beverage Undisputed 01/23/2026 1111511289 CMS
Amgen Inc. $21.94 02/21/2024 Food and Beverage Undisputed 01/23/2026 1111511291 CMS
Amgen Inc. $23.56 02/27/2024 Food and Beverage Undisputed 01/23/2026 1111511293 CMS
Amgen Inc. $22.03 04/24/2024 Food and Beverage Undisputed 01/23/2026 1111511295 CMS
Amgen Inc. $19.40 06/10/2024 Food and Beverage Undisputed 01/23/2026 1111511297 CMS
Amgen Inc. $25.05 08/13/2024 Food and Beverage Undisputed 01/23/2026 1111511299 CMS
Amgen Inc. $19.83 12/18/2024 Food and Beverage Undisputed 01/23/2026 1111511301 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $15.66 03/19/2024 Food and Beverage Undisputed 01/23/2026 1117911112 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $18.19 08/14/2024 Food and Beverage Undisputed 01/23/2026 1117911114 CMS
Janssen Pharmaceuticals, Inc $24.15 03/26/2024 Food and Beverage Undisputed 01/23/2026 1077944002 CMS
Janssen Pharmaceuticals, Inc $23.50 05/13/2024 Food and Beverage Undisputed 01/23/2026 1077943984 CMS
Janssen Pharmaceuticals, Inc $19.90 08/12/2024 Food and Beverage Undisputed 01/23/2026 1077943912 CMS
Medtronic, Inc. $45.28 12/20/2024 Food and Beverage Undisputed 01/23/2026 1117104557 CMS
Merck Sharp & Dohme LLC $19.75 02/13/2024 Food and Beverage Undisputed 01/23/2026 1141842509 CMS
Merck Sharp & Dohme LLC $16.27 11/05/2024 Food and Beverage Undisputed 01/23/2026 1141611876 CMS
Merck Sharp & Dohme LLC $16.72 12/10/2024 Food and Beverage Undisputed 01/23/2026 1141611784 CMS
Novartis Pharmaceuticals Corporation $21.78 01/24/2024 Food and Beverage Undisputed 01/23/2026 1086701125 CMS
Novartis Pharmaceuticals Corporation $34.75 02/08/2024 Food and Beverage Undisputed 01/23/2026 1086701123 CMS
Novartis Pharmaceuticals Corporation $7.93 02/15/2024 Food and Beverage Undisputed 01/23/2026 1086701127 CMS
Novartis Pharmaceuticals Corporation $4.92 02/15/2024 Food and Beverage Undisputed 01/23/2026 1086701129 CMS
Novartis Pharmaceuticals Corporation $34.37 02/26/2024 Food and Beverage Undisputed 01/23/2026 1086701131 CMS
Novartis Pharmaceuticals Corporation $10.92 05/23/2024 Food and Beverage Undisputed 01/23/2026 1086701135 CMS
Novartis Pharmaceuticals Corporation $26.83 05/29/2024 Food and Beverage Undisputed 01/23/2026 1086701133 CMS
Novartis Pharmaceuticals Corporation $7.50 06/21/2024 Food and Beverage Undisputed 01/23/2026 1086701137 CMS
Novartis Pharmaceuticals Corporation $6.95 07/24/2024 Food and Beverage Undisputed 01/23/2026 1086701141 CMS
Novartis Pharmaceuticals Corporation $1.78 07/24/2024 Food and Beverage Undisputed 01/23/2026 1086701143 CMS
Novartis Pharmaceuticals Corporation $11.63 08/05/2024 Food and Beverage Undisputed 01/23/2026 1086701175 CMS
Novartis Pharmaceuticals Corporation $14.15 08/30/2024 Food and Beverage Undisputed 01/23/2026 1086701177 CMS
Novartis Pharmaceuticals Corporation $6.34 09/05/2024 Food and Beverage Undisputed 01/23/2026 1086701179 CMS
Novartis Pharmaceuticals Corporation $3.43 09/05/2024 Food and Beverage Undisputed 01/23/2026 1086701181 CMS
Novartis Pharmaceuticals Corporation $6.90 09/19/2024 Food and Beverage Undisputed 01/23/2026 1086701189 CMS
Novartis Pharmaceuticals Corporation $6.80 10/18/2024 Food and Beverage Undisputed 01/23/2026 1086701193 CMS
PFIZER INC. $21.41 04/29/2024 Food and Beverage Undisputed 01/23/2026 1131492946 CMS
PFIZER INC. $19.14 09/30/2024 Food and Beverage Undisputed 01/23/2026 1132070971 CMS
SANOFI-AVENTIS U.S. LLC $24.00 04/30/2024 Food and Beverage Undisputed 01/23/2026 1139584476 CMS
SCPHARMACEUTICALS INC. $23.18 04/29/2024 Food and Beverage Undisputed 01/23/2026 1132271262 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $26.73 01/04/2024 Food and Beverage Undisputed 01/23/2026 1080576947 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $34.07 01/31/2024 Food and Beverage Undisputed 01/23/2026 1080576951 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $25.50 04/01/2024 Food and Beverage Undisputed 01/23/2026 1080576957 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $18.88 07/31/2024 Food and Beverage Undisputed 01/23/2026 1080576963 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $30.54 08/14/2024 Food and Beverage Undisputed 01/23/2026 1080576965 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $39.86 09/17/2024 Food and Beverage Undisputed 01/23/2026 1080576967 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $16.33 10/01/2024 Food and Beverage Undisputed 01/23/2026 1080576969 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $19.73 10/08/2024 Food and Beverage Undisputed 01/23/2026 1080576971 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $30.57 11/01/2024 Food and Beverage Undisputed 01/23/2026 1080576973 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $10.59 11/07/2024 Food and Beverage Undisputed 01/23/2026 1080576975 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $30.90 11/15/2024 Food and Beverage Undisputed 01/23/2026 1080576977 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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