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

WILLIAM K OH

Allopathic & Osteopathic Physicians Internal Medicine Medical Oncology

NPI
1225095581
CMS profile
282119
Location
GREENWICH, CT

General Payments · PY2019–2025

$161,715.85

  • Reported across 86 records
  • CMS publication 2026-06-30

Latest program year · PY2025

$17,873.80

17 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

By paying entity

PY2025 · sorted by reported total

Paying entityAmountRecords
PFIZER INC. $12,286.42 9
Sumitomo Pharma America, Inc. $2,708.33 2
GlaxoSmithKline, LLC. $2,400.00 1
Astellas Pharma US Inc $230.77 2
Acerta Pharma LLC $135.06 2
Caris MPI, Inc. $113.22 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $56,961.66 24
PY2020 $39,304.44 17
PY2021 $9,838.36 6
PY2022 $324.95 3
PY2023 $9,802.87 5
PY2024 $27,609.77 14
PY2025 $17,873.80 17

Payment records · PY2025 (17)

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
Astellas Pharma US Inc $104.31 10/23/2025 Food and Beverage Undisputed 06/30/2026 1238578625 CMS
Astellas Pharma US Inc $126.46 11/20/2025 Food and Beverage Undisputed 06/30/2026 1238584280 CMS
AstraZeneca Pharmaceuticals LP $23.21 02/14/2025 Food and Beverage Undisputed 06/30/2026 1206698080 CMS
AstraZeneca Pharmaceuticals LP $111.85 02/14/2025 Food and Beverage Undisputed 06/30/2026 1206820948 CMS
Caris MPI, Inc. $113.22 11/11/2025 Food and Beverage Undisputed 06/30/2026 1234283870 CMS
GlaxoSmithKline, LLC. $2,400.00 03/11/2025 Consulting Fee Undisputed 06/30/2026 1190594167 CMS
PFIZER INC. $765.17 01/17/2025 Travel and Lodging Undisputed 06/30/2026 1230105710 CMS
PFIZER INC. $83.04 01/17/2025 Food and Beverage Undisputed 06/30/2026 1230109321 CMS
PFIZER INC. $2,880.00 01/23/2025 Consulting Fee Undisputed 06/30/2026 1229945338 CMS
PFIZER INC. $110.61 02/15/2025 Food and Beverage Undisputed 06/30/2026 1230148281 CMS
PFIZER INC. $5,535.00 02/18/2025 Consulting Fee Undisputed 06/30/2026 1230521843 CMS
PFIZER INC. $2,625.00 03/12/2025 Consulting Fee Undisputed 06/30/2026 1230064109 CMS
PFIZER INC. $50.00 05/07/2025 Travel and Lodging Undisputed 06/30/2026 1230187122 CMS
PFIZER INC. $133.29 05/31/2025 Food and Beverage Undisputed 06/30/2026 1230290056 CMS
PFIZER INC. $104.31 10/24/2025 Food and Beverage Undisputed 06/30/2026 1230127248 CMS
Sumitomo Pharma America, Inc. $2,625.00 10/15/2025 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 06/30/2026 1176699583 CMS
Sumitomo Pharma America, Inc. $83.33 10/15/2025 Food and Beverage Undisputed 06/30/2026 1176699585 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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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.