Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-06-30 View official record Methodology

Covered recipient · General Payments record

SUNGUK NATHAN JANG

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1134140577
CMS profile
50856
Location
CLEVELAND, OH

General Payments · PY2019–2025

$64,008.30

  • Reported across 213 records
  • CMS publication 2026-06-30

Latest program year · PY2025

$24,831.14

46 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

PY2025 · sorted by reported total

Nature of paymentAmountRecords
Consulting Fee $20,110.99 5
Travel and Lodging $3,065.02 5
Food and Beverage $1,655.13 36

By paying entity

PY2025 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $11,304.82 41
PY2020 $421.30 12
PY2021 $3,214.54 18
PY2022 $9,524.02 37
PY2023 $3,560.42 32
PY2024 $11,152.06 27
PY2025 $24,831.14 46

Payment records · PY2025 (46)

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

Program year 2025 201920202021202220232024 Record-level detail is published for PY2025; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
ABBVIE INC. $2.66 01/31/2025 Food and Beverage Undisputed 06/30/2026 1202114505 CMS
ABBVIE INC. $19.55 02/03/2025 Food and Beverage Undisputed 06/30/2026 1202114507 CMS
ABBVIE INC. $20.52 02/20/2025 Food and Beverage Undisputed 06/30/2026 1202114509 CMS
ABBVIE INC. $7.86 02/21/2025 Food and Beverage Undisputed 06/30/2026 1202114511 CMS
ABBVIE INC. $1.04 03/04/2025 Food and Beverage Undisputed 06/30/2026 1202114513 CMS
ABBVIE INC. $17.28 03/04/2025 Food and Beverage Undisputed 06/30/2026 1202114515 CMS
ABBVIE INC. $22.91 04/24/2025 Food and Beverage Undisputed 06/30/2026 1202114517 CMS
ABBVIE INC. $20.86 05/08/2025 Food and Beverage Undisputed 06/30/2026 1202114519 CMS
ABBVIE INC. $15.64 08/14/2025 Food and Beverage Undisputed 06/30/2026 1202114521 CMS
ABBVIE INC. $1.52 09/11/2025 Food and Beverage Undisputed 06/30/2026 1202114523 CMS
ABBVIE INC. $25.00 09/11/2025 Food and Beverage Undisputed 06/30/2026 1202114525 CMS
ABBVIE INC. $19.66 09/16/2025 Food and Beverage Undisputed 06/30/2026 1202114527 CMS
Aimmune Therapeutics, Inc. $19.56 01/09/2025 Food and Beverage Undisputed 06/30/2026 1249671328 CMS
Boston Scientific Corporation $10.00 01/22/2025 Food and Beverage Undisputed 06/30/2026 1181112070 CMS
Boston Scientific Corporation $10.00 03/21/2025 Food and Beverage Undisputed 06/30/2026 1181112076 CMS
Boston Scientific Corporation $10.00 03/26/2025 Food and Beverage Undisputed 06/30/2026 1181112074 CMS
Boston Scientific Corporation $13.60 04/04/2025 Food and Beverage Undisputed 06/30/2026 1181112072 CMS
Boston Scientific Corporation $146.07 05/03/2025 Food and Beverage Undisputed 06/30/2026 1181112078 CMS
Boston Scientific Corporation $10.00 05/29/2025 Food and Beverage Undisputed 06/30/2026 1181112080 CMS
Boston Scientific Corporation $6.66 06/11/2025 Food and Beverage Undisputed 06/30/2026 1181112082 CMS
Boston Scientific Corporation $142.70 07/23/2025 Food and Beverage Undisputed 06/30/2026 1181112084 CMS
Boston Scientific Corporation $184.31 07/23/2025 Travel and Lodging Undisputed 06/30/2026 1181112088 CMS
Boston Scientific Corporation $391.16 07/23/2025 Travel and Lodging Undisputed 06/30/2026 1181112090 CMS
Boston Scientific Corporation $448.45 07/23/2025 Travel and Lodging Undisputed 06/30/2026 1181112092 CMS
Boston Scientific Corporation $14.55 07/24/2025 Food and Beverage Undisputed 06/30/2026 1181112086 CMS
Boston Scientific Corporation $118.68 07/24/2025 Travel and Lodging Undisputed 06/30/2026 1181112094 CMS
Boston Scientific Corporation $84.30 07/25/2025 Food and Beverage Undisputed 06/30/2026 1181112096 CMS
Boston Scientific Corporation $6.25 08/21/2025 Food and Beverage Undisputed 06/30/2026 1181112098 CMS
Celltrion USA Inc. $38.83 03/17/2025 Food and Beverage Undisputed 06/30/2026 1250824660 CMS
Celltrion, Inc. $150.00 05/31/2025 Food and Beverage Undisputed 06/30/2026 1242324819 CMS
Celltrion, Inc. $1,922.42 12/26/2025 Travel and Lodging Undisputed 06/30/2026 1242324818 CMS
Cook Medical LLC $14.40 05/27/2025 Food and Beverage Undisputed 06/30/2026 1208759232 CMS
Madrigal Pharmaceuticals $124.93 03/17/2025 Food and Beverage Undisputed 06/30/2026 1248273674 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $18.66 02/28/2025 Food and Beverage Undisputed 06/30/2026 1232009630 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $16.46 05/19/2025 Food and Beverage Undisputed 06/30/2026 1232009632 CMS
STERIS CORPORATION $116.92 02/13/2025 Food and Beverage Undisputed 06/30/2026 1222258316 CMS
STERIS CORPORATION $29.72 05/03/2025 Food and Beverage Undisputed 06/30/2026 1222258324 CMS
STERIS CORPORATION $59.56 05/03/2025 Food and Beverage Undisputed 06/30/2026 1222258328 CMS
STERIS CORPORATION $278.23 05/13/2025 Food and Beverage Undisputed 06/30/2026 1222258320 CMS
STERIS CORPORATION $145.40 07/08/2025 Food and Beverage Undisputed 06/30/2026 1222258331 CMS
US ENDOSCOPY $5,000.00 01/27/2025 Consulting Fee Undisputed 06/30/2026 1222259985 CMS
US ENDOSCOPY $1,500.00 03/17/2025 Consulting Fee Undisputed 06/30/2026 1222259989 CMS
US ENDOSCOPY $3,000.00 04/28/2025 Consulting Fee Undisputed 06/30/2026 1222259993 CMS
US ENDOSCOPY $5,610.99 07/14/2025 Consulting Fee Undisputed 06/30/2026 1222259997 CMS
US ENDOSCOPY $5,000.00 10/27/2025 Consulting Fee Undisputed 06/30/2026 1222260000 CMS
VIVUS LLC $13.83 12/03/2025 Food and Beverage Undisputed 06/30/2026 1188052015 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-06-30
Program years on this page
2019, 2020, 2021, 2022, 2023, 2024, 2025
Source files
Dataset page · Bulk file · PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024 , PY2025
Generated from
OP_DTL_GNRL_PGYR2025_P06302026_06032026.csv

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