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

SANGJUN BYEON

Allopathic & Osteopathic Physicians Family Medicine

NPI
1659574945
CMS profile
752511
Location
ROWLAND HEIGHTS, CA

General Payments · PY2018–2024

$856.37

  • Reported across 38 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$477.34

21 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 $477.34 21

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $15.88 1
PY2021 $45.75 2
PY2022 $69.26 3
PY2023 $248.14 11
PY2024 $477.34 21

Payment records · PY2024 (21)

Sorted by paying entity, then date · as published by CMS

Program year 2024 2018202120222023 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
AIMMUNE THERAPEUTICS, INC. $27.01 09/13/2024 Food and Beverage Undisputed 01/23/2026 1147008321 CMS
Amgen Inc. $23.82 02/09/2024 Food and Beverage Undisputed 01/23/2026 1115473380 CMS
Amgen Inc. $21.89 06/21/2024 Food and Beverage Undisputed 01/23/2026 1115473391 CMS
Amgen Inc. $19.42 09/06/2024 Food and Beverage Undisputed 01/23/2026 1115473396 CMS
AstraZeneca Pharmaceuticals LP $14.17 01/22/2024 Food and Beverage Undisputed 01/23/2026 1104764708 CMS
AstraZeneca Pharmaceuticals LP $16.75 02/02/2024 Food and Beverage Undisputed 01/23/2026 1105725855 CMS
AstraZeneca Pharmaceuticals LP $22.26 02/23/2024 Food and Beverage Undisputed 01/23/2026 1104745325 CMS
AstraZeneca Pharmaceuticals LP $52.17 03/20/2024 Food and Beverage Undisputed 01/23/2026 1104668225 CMS
AstraZeneca Pharmaceuticals LP $13.95 05/03/2024 Food and Beverage Undisputed 01/23/2026 1104240521 CMS
AstraZeneca Pharmaceuticals LP $28.46 08/09/2024 Food and Beverage Undisputed 01/23/2026 1104354878 CMS
AstraZeneca Pharmaceuticals LP $21.89 08/23/2024 Food and Beverage Undisputed 01/23/2026 1104331206 CMS
AstraZeneca Pharmaceuticals LP $13.88 08/30/2024 Food and Beverage Undisputed 01/23/2026 1104609944 CMS
AstraZeneca Pharmaceuticals LP $20.33 12/06/2024 Food and Beverage Undisputed 01/23/2026 1104229125 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $25.70 05/10/2024 Food and Beverage Undisputed 01/23/2026 1118099564 CMS
Exact Sciences Corporation $27.34 12/20/2024 Food and Beverage Undisputed 01/23/2026 1114604229 CMS
GlaxoSmithKline, LLC. $21.52 02/27/2024 Food and Beverage Undisputed 01/23/2026 1116732136 CMS
GlaxoSmithKline, LLC. $19.90 05/31/2024 Food and Beverage Undisputed 01/23/2026 1116681057 CMS
Lilly USA, LLC $23.35 03/18/2024 Food and Beverage Undisputed 01/23/2026 1135392537 CMS
Lilly USA, LLC $23.61 08/14/2024 Food and Beverage Undisputed 01/23/2026 1135404656 CMS
Lilly USA, LLC $21.59 11/07/2024 Food and Beverage Undisputed 01/23/2026 1135392535 CMS
PFIZER INC. $18.33 01/12/2024 Food and Beverage Undisputed 01/23/2026 1131529092 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, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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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.