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

HAN TONTHAT

Allopathic & Osteopathic Physicians Internal Medicine

NPI
1801897335
CMS profile
263072
Location
HERNDON, VA

General Payments · PY2018–2024

$4,488.12

  • Reported across 183 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$572.98

23 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 $572.98 23

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Acerta Pharma LLC $235.24 8
Amgen Inc. $151.18 7
Lilly USA, LLC $68.85 3
Bayer HealthCare Pharmaceuticals Inc. $42.49 2
REVANCE THERAPEUTICS, INC. $32.95 1
PFIZER INC. $22.55 1
Novo Nordisk AS $19.72 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $720.23 30
PY2019 $869.79 21
PY2020 $504.20 26
PY2021 $501.02 24
PY2022 $618.58 30
PY2023 $701.32 29
PY2024 $572.98 23

Payment records · PY2024 (23)

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
Amgen Inc. $24.61 02/13/2024 Food and Beverage Undisputed 01/23/2026 1117399986 CMS
Amgen Inc. $10.83 03/12/2024 Food and Beverage Undisputed 01/23/2026 1117399988 CMS
Amgen Inc. $24.26 05/23/2024 Food and Beverage Undisputed 01/23/2026 1117399990 CMS
Amgen Inc. $24.01 08/01/2024 Food and Beverage Undisputed 01/23/2026 1117399992 CMS
Amgen Inc. $10.17 09/16/2024 Food and Beverage Undisputed 01/23/2026 1117399994 CMS
Amgen Inc. $25.37 10/07/2024 Food and Beverage Undisputed 01/23/2026 1117399996 CMS
Amgen Inc. $31.93 12/13/2024 Food and Beverage Undisputed 01/23/2026 1117399998 CMS
AstraZeneca Pharmaceuticals LP $26.08 01/12/2024 Food and Beverage Undisputed 01/23/2026 1105645582 CMS
AstraZeneca Pharmaceuticals LP $14.95 02/09/2024 Food and Beverage Undisputed 01/23/2026 1104406649 CMS
AstraZeneca Pharmaceuticals LP $28.96 02/23/2024 Food and Beverage Undisputed 01/23/2026 1105864054 CMS
AstraZeneca Pharmaceuticals LP $58.13 03/18/2024 Food and Beverage Undisputed 01/23/2026 1105857424 CMS
AstraZeneca Pharmaceuticals LP $30.02 05/03/2024 Food and Beverage Undisputed 01/23/2026 1104650467 CMS
AstraZeneca Pharmaceuticals LP $20.81 05/07/2024 Food and Beverage Undisputed 01/23/2026 1105532490 CMS
AstraZeneca Pharmaceuticals LP $26.54 08/15/2024 Food and Beverage Undisputed 01/23/2026 1104544532 CMS
AstraZeneca Pharmaceuticals LP $29.75 10/11/2024 Food and Beverage Undisputed 01/23/2026 1104297430 CMS
Bayer Healthcare Pharmaceuticals Inc. $18.48 02/26/2024 Food and Beverage Undisputed 01/23/2026 1086159596 CMS
Bayer Healthcare Pharmaceuticals Inc. $24.01 07/12/2024 Food and Beverage Undisputed 01/23/2026 1086115408 CMS
Lilly USA, LLC $25.01 09/18/2024 Food and Beverage Undisputed 01/23/2026 1135013069 CMS
Lilly USA, LLC $20.06 09/23/2024 Food and Beverage Undisputed 01/23/2026 1134993766 CMS
Lilly USA, LLC $23.78 11/07/2024 Food and Beverage Undisputed 01/23/2026 1134994062 CMS
Novo Nordisk Inc $19.72 07/30/2024 Food and Beverage Undisputed 01/23/2026 1096605601 CMS
PFIZER INC. $22.55 03/22/2024 Food and Beverage Undisputed 01/23/2026 1132028795 CMS
REVANCE THERAPEUTICS, INC. $32.95 03/07/2024 Food and Beverage Undisputed 01/23/2026 1147930675 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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