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

ERNEST TSAO

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1790981256
CMS profile
354252
Location
BALTIMORE, MD

General Payments · PY2018–2024

$4,839.22

  • Reported across 344 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$671.18

44 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: Gastroenterology MD All categories

By nature of payment

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $656.22 43
Education $14.96 1

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Salix Pharmaceuticals, a division of Bausch Health US, LLC $207.63 19
ABBVIE INC. $147.05 10
Celltrion USA Inc. $73.78 4
Janssen Biotech, Inc. $55.08 2
Takeda Pharmaceuticals U.S.A., Inc. $45.75 2
BOSTON SCIENTIFIC CORPORATION $37.12 1
Ardelyx, Inc. $33.49 2
PFIZER INC. $24.18 1
Alnylam Pharmaceuticals Inc. $17.70 1
CapsoVision, Inc. $15.58 1
IRONWOOD PHARMACEUTICALS, INC $13.82 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,056.00 78
PY2019 $906.74 63
PY2020 $276.74 20
PY2021 $461.65 28
PY2022 $688.19 52
PY2023 $778.72 59
PY2024 $671.18 44

Payment records · PY2024 (44)

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
ABBVIE INC. $19.20 01/12/2024 Food and Beverage Undisputed 01/23/2026 1106248921 CMS
ABBVIE INC. $16.48 01/23/2024 Food and Beverage Undisputed 01/23/2026 1106248923 CMS
ABBVIE INC. $5.74 02/16/2024 Food and Beverage Undisputed 01/23/2026 1106248925 CMS
ABBVIE INC. $7.95 04/10/2024 Food and Beverage Undisputed 01/23/2026 1106248927 CMS
ABBVIE INC. $19.90 07/01/2024 Food and Beverage Undisputed 01/23/2026 1106248929 CMS
ABBVIE INC. $15.33 08/26/2024 Food and Beverage Undisputed 01/23/2026 1106248931 CMS
ABBVIE INC. $10.03 09/10/2024 Food and Beverage Undisputed 01/23/2026 1106248933 CMS
ABBVIE INC. $22.11 09/24/2024 Food and Beverage Undisputed 01/23/2026 1106248935 CMS
ABBVIE INC. $16.01 10/21/2024 Food and Beverage Undisputed 01/23/2026 1106248937 CMS
ABBVIE INC. $14.30 10/23/2024 Food and Beverage Undisputed 01/23/2026 1106248939 CMS
Alnylam Pharmaceuticals Inc. $17.70 12/03/2024 Food and Beverage Undisputed 01/23/2026 1125824007 CMS
Ardelyx, Inc. $14.96 02/27/2024 Food and Beverage Undisputed 01/23/2026 1146711855 CMS
Ardelyx, Inc. $18.53 04/23/2024 Food and Beverage Undisputed 01/23/2026 1146711857 CMS
Boston Scientific Corporation $37.12 01/31/2024 Food and Beverage Undisputed 01/23/2026 1092337943 CMS
CapsoVision, Inc. $15.58 05/08/2024 Food and Beverage Undisputed 01/23/2026 1154308748 CMS
Celltrion USA Inc. $14.96 04/21/2024 Education Undisputed 01/23/2026 1075859267 CMS
Celltrion USA Inc. $20.12 09/09/2024 Food and Beverage Undisputed 01/23/2026 1075859269 CMS
Celltrion USA Inc. $19.97 11/05/2024 Food and Beverage Undisputed 01/23/2026 1075859271 CMS
Celltrion USA Inc. $18.73 12/17/2024 Food and Beverage Undisputed 01/23/2026 1075859273 CMS
IRONWOOD PHARMACEUTICALS, INC $13.82 05/20/2024 Food and Beverage Undisputed 01/23/2026 1153755104 CMS
Janssen Biotech, Inc. $27.45 08/21/2024 Food and Beverage Undisputed 01/23/2026 1078712469 CMS
Janssen Biotech, Inc. $27.63 09/25/2024 Food and Beverage Undisputed 01/23/2026 1078710083 CMS
PFIZER INC. $24.18 02/08/2024 Food and Beverage Undisputed 01/23/2026 1131181429 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $9.51 01/11/2024 Food and Beverage Undisputed 01/23/2026 1153701929 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $1.99 01/23/2024 Food and Beverage Undisputed 01/23/2026 1153532142 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $8.84 01/23/2024 Food and Beverage Undisputed 01/23/2026 1153704320 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $23.20 02/14/2024 Food and Beverage Undisputed 01/23/2026 1153653804 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $3.95 02/27/2024 Food and Beverage Undisputed 01/23/2026 1153431051 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $13.19 02/27/2024 Food and Beverage Undisputed 01/23/2026 1153469425 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $14.81 02/27/2024 Food and Beverage Undisputed 01/23/2026 1153477680 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $7.41 02/27/2024 Food and Beverage Undisputed 01/23/2026 1153694034 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $21.10 04/17/2024 Food and Beverage Undisputed 01/23/2026 1153705560 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $13.75 05/21/2024 Food and Beverage Undisputed 01/23/2026 1153741992 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $18.63 06/26/2024 Food and Beverage Undisputed 01/23/2026 1153565795 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $14.62 06/26/2024 Food and Beverage Undisputed 01/23/2026 1153620503 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $1.68 07/10/2024 Food and Beverage Undisputed 01/23/2026 1153452425 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $0.06 07/10/2024 Food and Beverage Undisputed 01/23/2026 1153493429 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $9.54 07/10/2024 Food and Beverage Undisputed 01/23/2026 1153554287 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $0.29 07/10/2024 Food and Beverage Undisputed 01/23/2026 1153591168 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $14.81 07/10/2024 Food and Beverage Undisputed 01/23/2026 1153655195 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $11.85 10/09/2024 Food and Beverage Undisputed 01/23/2026 1153547347 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $18.40 10/09/2024 Food and Beverage Undisputed 01/23/2026 1153601445 CMS
Takeda Pharmaceuticals U.S.A., Inc. $23.06 02/12/2024 Food and Beverage Undisputed 01/23/2026 1137689696 CMS
Takeda Pharmaceuticals U.S.A., Inc. $22.69 06/02/2024 Food and Beverage Undisputed 01/23/2026 1137689698 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.