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

SUNG C YANG

Allopathic & Osteopathic Physicians Internal Medicine Nephrology

NPI
1871562900
CMS profile
1270068
Location
LANCASTER, CA

General Payments · PY2018–2024

$2,772.05

  • Reported across 117 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$274.54

10 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 $249.93 9
Education $24.61 1

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
AKEBIA THERAPEUTICS INC $76.72 3
GlaxoSmithKline, LLC. $54.60 2
ANI Pharmaceuticals, Inc. $51.45 1
Amgen Inc. $46.77 2
Acerta Pharma LLC $23.17 1
Aurinia Pharma U.S., Inc. $21.83 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $455.16 24
PY2019 $589.42 24
PY2020 $269.54 12
PY2021 $508.33 17
PY2022 $415.14 19
PY2023 $259.92 11
PY2024 $274.54 10

Payment records · PY2024 (10)

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
AKEBIA THERAPEUTICS INC $26.33 04/03/2024 Food and Beverage Undisputed 01/23/2026 1145824857 CMS
AKEBIA THERAPEUTICS INC $25.78 10/22/2024 Food and Beverage Undisputed 01/23/2026 1145830039 CMS
AKEBIA THERAPEUTICS INC $24.61 10/23/2024 Education Undisputed 01/23/2026 1145833953 CMS
Amgen Inc. $22.08 10/30/2024 Food and Beverage Undisputed 01/23/2026 1116217410 CMS
Amgen Inc. $24.69 11/06/2024 Food and Beverage Undisputed 01/23/2026 1116217406 CMS
ANI Pharmaceuticals, Inc. $51.45 01/17/2024 Food and Beverage Undisputed 01/23/2026 1091171622 CMS
AstraZeneca Pharmaceuticals LP $23.17 02/28/2024 Food and Beverage Undisputed 01/23/2026 1104734823 CMS
Aurinia Pharma U.S., Inc. $21.83 03/20/2024 Food and Beverage Undisputed 01/23/2026 1150694721 CMS
GlaxoSmithKline, LLC. $24.42 01/31/2024 Food and Beverage Undisputed 01/23/2026 1116641186 CMS
GlaxoSmithKline, LLC. $30.18 02/20/2024 Food and Beverage Undisputed 01/23/2026 1116620455 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.