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

OSCAR A DELEON-CASASOLA

Allopathic & Osteopathic Physicians Anesthesiology

NPI
1467458851
CMS profile
1145399
Location
BUFFALO, NY

General Payments · PY2019–2025

$94,649.27

  • Reported across 94 records
  • CMS publication 2026-06-30

Latest program year · PY2025

$13,703.33

19 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
VERTEX PHARMACEUTICALS INCORPORATED $13,703.33 19

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $4,984.50 14
PY2020 $12,814.31 12
PY2021 $5,225.63 6
PY2022 $49,061.61 31
PY2023 $7,269.89 11
PY2024 $1,590.00 1
PY2025 $13,703.33 19

Payment records · PY2025 (19)

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
VERTEX PHARMACEUTICALS INCORPORATED $31.13 10/12/2025 Food and Beverage Undisputed 06/30/2026 1213788617 CMS
VERTEX PHARMACEUTICALS INCORPORATED $38.38 11/25/2025 Travel and Lodging Undisputed 06/30/2026 1213797892 CMS
VERTEX PHARMACEUTICALS INCORPORATED $4,758.00 11/25/2025 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 1213884535 CMS
VERTEX PHARMACEUTICALS INCORPORATED $37.31 11/25/2025 Food and Beverage Undisputed 06/30/2026 1213887529 CMS
VERTEX PHARMACEUTICALS INCORPORATED $300.00 11/25/2025 Travel and Lodging Undisputed 06/30/2026 1213896189 CMS
VERTEX PHARMACEUTICALS INCORPORATED $27.99 11/25/2025 Travel and Lodging Undisputed 06/30/2026 1213899305 CMS
VERTEX PHARMACEUTICALS INCORPORATED $335.00 11/25/2025 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 1213911094 CMS
VERTEX PHARMACEUTICALS INCORPORATED $3,028.00 11/25/2025 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 1213914182 CMS
VERTEX PHARMACEUTICALS INCORPORATED $114.27 11/25/2025 Food and Beverage Undisputed 06/30/2026 1213922792 CMS
VERTEX PHARMACEUTICALS INCORPORATED $649.19 11/25/2025 Travel and Lodging Undisputed 06/30/2026 1213928844 CMS
VERTEX PHARMACEUTICALS INCORPORATED $48.00 12/12/2025 Travel and Lodging Undisputed 06/30/2026 1213902212 CMS
VERTEX PHARMACEUTICALS INCORPORATED $135.28 12/12/2025 Travel and Lodging Undisputed 06/30/2026 1213952316 CMS
VERTEX PHARMACEUTICALS INCORPORATED $126.00 12/14/2025 Food and Beverage Undisputed 06/30/2026 1213887531 CMS
VERTEX PHARMACEUTICALS INCORPORATED $92.00 12/14/2025 Food and Beverage Undisputed 06/30/2026 1213890357 CMS
VERTEX PHARMACEUTICALS INCORPORATED $68.59 12/14/2025 Food and Beverage Undisputed 06/30/2026 1213896187 CMS
VERTEX PHARMACEUTICALS INCORPORATED $3,460.00 12/14/2025 Consulting Fee Undisputed 06/30/2026 1213920036 CMS
VERTEX PHARMACEUTICALS INCORPORATED $324.23 12/14/2025 Travel and Lodging Undisputed 06/30/2026 1213922794 CMS
VERTEX PHARMACEUTICALS INCORPORATED $81.84 12/16/2025 Travel and Lodging Undisputed 06/30/2026 1213844556 CMS
VERTEX PHARMACEUTICALS INCORPORATED $48.12 12/16/2025 Travel and Lodging Undisputed 06/30/2026 1213908130 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

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.