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

MARTIN TAEHUNG AHN

Allopathic & Osteopathic Physicians Family Medicine

NPI
1649342171
CMS profile
119949
Location
BUENA PARK, CA

General Payments · PY2018–2024

$10,535.22

  • Reported across 583 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,515.38

75 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 $1,515.38 75

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,284.18 83
PY2019 $1,376.29 82
PY2020 $1,881.95 106
PY2021 $2,104.23 121
PY2022 $1,179.75 59
PY2023 $1,193.44 57
PY2024 $1,515.38 75

Payment records · PY2024 (75)

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 $15.29 10/21/2024 Food and Beverage Undisputed 01/23/2026 1125169378 CMS
ABBVIE INC. $12.09 04/18/2024 Food and Beverage Undisputed 01/23/2026 1103187834 CMS
ABBVIE INC. $9.06 05/13/2024 Food and Beverage Undisputed 01/23/2026 1103187836 CMS
ABBVIE INC. $17.24 06/14/2024 Food and Beverage Undisputed 01/23/2026 1103187838 CMS
ABBVIE INC. $28.97 06/17/2024 Food and Beverage Undisputed 01/23/2026 1103187840 CMS
ABBVIE INC. $28.18 07/01/2024 Food and Beverage Undisputed 01/23/2026 1103187842 CMS
ABBVIE INC. $9.87 07/12/2024 Food and Beverage Undisputed 01/23/2026 1103187844 CMS
ABBVIE INC. $16.28 07/22/2024 Food and Beverage Undisputed 01/23/2026 1103187846 CMS
ABBVIE INC. $10.16 07/23/2024 Food and Beverage Undisputed 01/23/2026 1103187848 CMS
ABBVIE INC. $6.88 09/04/2024 Food and Beverage Undisputed 01/23/2026 1103187850 CMS
ABBVIE INC. $12.40 09/17/2024 Food and Beverage Undisputed 01/23/2026 1103187852 CMS
ABBVIE INC. $13.09 09/18/2024 Food and Beverage Undisputed 01/23/2026 1103187854 CMS
ABBVIE INC. $9.29 10/17/2024 Food and Beverage Undisputed 01/23/2026 1103187856 CMS
ABBVIE INC. $10.75 11/04/2024 Food and Beverage Undisputed 01/23/2026 1103187858 CMS
AIMMUNE THERAPEUTICS, INC. $14.56 04/30/2024 Food and Beverage Undisputed 01/23/2026 1146985756 CMS
Amgen Inc. $32.64 02/21/2024 Food and Beverage Undisputed 01/23/2026 1117185990 CMS
Amgen Inc. $6.23 03/29/2024 Food and Beverage Undisputed 01/23/2026 1117185992 CMS
Amgen Inc. $34.70 04/03/2024 Food and Beverage Undisputed 01/23/2026 1117185994 CMS
Amgen Inc. $25.03 06/10/2024 Food and Beverage Undisputed 01/23/2026 1117185996 CMS
Amgen Inc. $28.93 07/17/2024 Food and Beverage Undisputed 01/23/2026 1117185998 CMS
Amgen Inc. $9.56 07/26/2024 Food and Beverage Undisputed 01/23/2026 1117186000 CMS
Amgen Inc. $26.76 09/09/2024 Food and Beverage Undisputed 01/23/2026 1117186002 CMS
Amgen Inc. $28.06 10/30/2024 Food and Beverage Undisputed 01/23/2026 1111511355 CMS
Amgen Inc. $19.86 11/11/2024 Food and Beverage Undisputed 01/23/2026 1117186004 CMS
Ardelyx, Inc. $24.17 08/08/2024 Food and Beverage Undisputed 01/23/2026 1146667370 CMS
AstraZeneca Pharmaceuticals LP $15.45 01/30/2024 Food and Beverage Undisputed 01/23/2026 1105257895 CMS
AstraZeneca Pharmaceuticals LP $20.01 01/31/2024 Food and Beverage Undisputed 01/23/2026 1104315500 CMS
AstraZeneca Pharmaceuticals LP $107.85 02/27/2024 Food and Beverage Undisputed 01/23/2026 1104580346 CMS
AstraZeneca Pharmaceuticals LP $16.07 03/05/2024 Food and Beverage Undisputed 01/23/2026 1105483273 CMS
AstraZeneca Pharmaceuticals LP $15.08 04/17/2024 Food and Beverage Undisputed 01/23/2026 1104665915 CMS
AstraZeneca Pharmaceuticals LP $14.41 05/20/2024 Food and Beverage Undisputed 01/23/2026 1105366987 CMS
AstraZeneca Pharmaceuticals LP $13.35 07/17/2024 Food and Beverage Undisputed 01/23/2026 1104237521 CMS
AstraZeneca Pharmaceuticals LP $22.43 08/07/2024 Food and Beverage Undisputed 01/23/2026 1104340602 CMS
AstraZeneca Pharmaceuticals LP $17.63 08/20/2024 Food and Beverage Undisputed 01/23/2026 1105487963 CMS
AstraZeneca Pharmaceuticals LP $24.51 10/01/2024 Food and Beverage Undisputed 01/23/2026 1104563326 CMS
AstraZeneca Pharmaceuticals LP $21.72 10/14/2024 Food and Beverage Undisputed 01/23/2026 1105450701 CMS
AstraZeneca Pharmaceuticals LP $16.45 11/07/2024 Food and Beverage Undisputed 01/23/2026 1104723101 CMS
Bayer Healthcare Pharmaceuticals Inc. $23.11 02/05/2024 Food and Beverage Undisputed 01/23/2026 1086260896 CMS
Bayer Healthcare Pharmaceuticals Inc. $22.45 03/15/2024 Food and Beverage Undisputed 01/23/2026 1086114524 CMS
Bayer Healthcare Pharmaceuticals Inc. $20.89 05/29/2024 Food and Beverage Undisputed 01/23/2026 1086195926 CMS
Bayer Healthcare Pharmaceuticals Inc. $25.06 10/09/2024 Food and Beverage Undisputed 01/23/2026 1086235142 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $20.31 02/06/2024 Food and Beverage Undisputed 01/23/2026 1118094188 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $22.31 04/16/2024 Food and Beverage Undisputed 01/23/2026 1118094190 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $23.23 07/23/2024 Food and Beverage Undisputed 01/23/2026 1118094192 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $25.60 09/12/2024 Food and Beverage Undisputed 01/23/2026 1118094194 CMS
Corcept Therapeutics $22.48 01/17/2024 Food and Beverage Undisputed 01/23/2026 1117781199 CMS
Corcept Therapeutics $29.11 03/25/2024 Food and Beverage Undisputed 01/23/2026 1117781221 CMS
Exact Sciences Corporation $29.24 03/11/2024 Food and Beverage Undisputed 01/23/2026 1114571637 CMS
Exact Sciences Corporation $13.44 10/11/2024 Food and Beverage Undisputed 01/23/2026 1114571641 CMS
GlaxoSmithKline, LLC. $19.47 08/12/2024 Food and Beverage Undisputed 01/23/2026 1116174740 CMS
GlaxoSmithKline, LLC. $30.88 09/04/2024 Food and Beverage Undisputed 01/23/2026 1116288396 CMS
GlaxoSmithKline, LLC. $31.73 09/18/2024 Food and Beverage Undisputed 01/23/2026 1116721139 CMS
Hologic Sales and Service, LLC $25.02 02/07/2024 Food and Beverage Undisputed 01/23/2026 1084892061 CMS
Lilly USA, LLC $23.47 01/09/2024 Food and Beverage Undisputed 01/23/2026 1135177029 CMS
Lilly USA, LLC $19.90 01/17/2024 Food and Beverage Undisputed 01/23/2026 1135180187 CMS
Lilly USA, LLC $0.68 01/17/2024 Food and Beverage Undisputed 01/23/2026 1135193144 CMS
Lilly USA, LLC $25.75 02/07/2024 Food and Beverage Undisputed 01/23/2026 1135199258 CMS
Lilly USA, LLC $22.29 03/04/2024 Food and Beverage Undisputed 01/23/2026 1135193146 CMS
Lilly USA, LLC $16.84 03/07/2024 Food and Beverage Undisputed 01/23/2026 1135193148 CMS
Lilly USA, LLC $14.36 05/07/2024 Food and Beverage Undisputed 01/23/2026 1135181478 CMS
Lilly USA, LLC $25.80 05/23/2024 Food and Beverage Undisputed 01/23/2026 1135177027 CMS
Lilly USA, LLC $17.35 06/03/2024 Food and Beverage Undisputed 01/23/2026 1135177025 CMS
Lilly USA, LLC $7.67 06/18/2024 Food and Beverage Undisputed 01/23/2026 1135193150 CMS
Lilly USA, LLC $13.37 07/11/2024 Food and Beverage Undisputed 01/23/2026 1135179935 CMS
Lilly USA, LLC $25.81 08/26/2024 Food and Beverage Undisputed 01/23/2026 1135180189 CMS
Merck Sharp & Dohme LLC $13.79 02/26/2024 Food and Beverage Undisputed 01/23/2026 1141778615 CMS
Merck Sharp & Dohme LLC $13.33 08/28/2024 Food and Beverage Undisputed 01/23/2026 1141894703 CMS
Merck Sharp & Dohme LLC $16.15 11/13/2024 Food and Beverage Undisputed 01/23/2026 1141943893 CMS
Novo Nordisk Inc $13.29 07/19/2024 Food and Beverage Undisputed 01/23/2026 1097492282 CMS
Novo Nordisk Inc $17.90 07/30/2024 Food and Beverage Undisputed 01/23/2026 1096605281 CMS
Novo Nordisk Inc $14.16 09/11/2024 Food and Beverage Undisputed 01/23/2026 1097020096 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $20.61 03/26/2024 Food and Beverage Undisputed 01/23/2026 1153589376 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $22.50 06/24/2024 Food and Beverage Undisputed 01/23/2026 1153764272 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $15.25 07/25/2024 Food and Beverage Undisputed 01/23/2026 1153608786 CMS
Sumitomo Pharma America, Inc. $15.77 06/20/2024 Food and Beverage Undisputed 01/23/2026 1148819297 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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