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

Covered recipient · General Payments record

BRIAN M KARASZEWSKI

Allopathic & Osteopathic Physicians Internal Medicine

NPI
1255478376
CMS profile
283689
Location
WILLIAMSVILLE, NY

A name match is not confirmation of identity. CMS publishes records for different people under similar names; the NPI, specialty, and location shown on this page are the CMS-published fields that distinguish them.

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General Payments · PY2025 · Entire year

$4,057.11

212 records · 0 disputed

Summary and payment records

  • CMS publication 2026-06-30
Read the payment records

“Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.”

— Centers for Medicare & Medicaid Services, Open Payments

A reported payment reflects a financial relationship a company disclosed. It does not indicate wrongdoing or a conflict of interest, and it says nothing about the quality of a provider's care.

These records are submitted to CMS and attested to by the reporting companies. CMS publishes them as reported; this site mirrors them without independent verification.

A payment attributed to a provider may have been made to a third party — a hospital, practice, or research institution — rather than paid to the provider personally.

How these totals are calculated
  • This total is the sum of the individual General Payments record amounts CMS published for the labeled program year(s); each record amount is used unmodified. The total itself is computed by this site. 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.
  • Methodology & Data — sourcing, labeling, and limitations.

Provider summaries generated . CMS updates this data on an annual cycle, and corrections or successful disputes made at CMS may not yet appear here. The official CMS record is authoritative for the current state. View the official CMS record ↗

By nature of payment

PY2025 · entire year · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $4,057.11 212

By paying entity

PY2025 · entire year · sorted by reported total

Page 1 of 5; records 1–50 of 212 matching records. This page contains 50 records (maximum 50), not the full filtered export. Use the CSV download for all matching records.

IndustryPayments · General Payments

BRIAN M KARASZEWSKI

NPI 1255478376 · CMS profile ID 283689

Allopathic & Osteopathic Physicians / Internal Medicine

WILLIAMSVILLE, NY

A name match is not confirmation of identity. CMS publishes records for different people under similar names; the NPI, specialty, and location shown on this page are the CMS-published fields that distinguish them.

A payment attributed to a provider may have been made to a third party — a hospital, practice, or research institution — rather than paid to the provider personally.

General Payments, PY2025; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types

Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00

Page 1 of 5; records 1–50 of 212 matching records. This page contains 50 records (maximum 50), not the full filtered export.

Filtered page: https://industrypayments.org/provider/npi-1255478376?year=2025&recipient=provider#records-h

CMS source: https://openpaymentsdata.cms.gov/dataset/fb0b1734-1410-429d-92f6-3f4b35218e5e

Cite these filtered records

The citation includes this program year, filters, data edition, and page of results.

Plain
BRIAN M KARASZEWSKI, NPI 1255478376, CMS profile ID 283689. General Payments, PY2025; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types. Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00. Page 1 of 5; records 1–50 of 212 matching records. This page contains 50 records (maximum 50), not the full filtered export. IndustryPayments. https://industrypayments.org/provider/npi-1255478376?year=2025&recipient=provider#records-h. Source: https://openpaymentsdata.cms.gov/dataset/fb0b1734-1410-429d-92f6-3f4b35218e5e.
APA 7
IndustryPayments. (2026). BRIAN M KARASZEWSKI, NPI 1255478376, CMS profile ID 283689. General Payments, PY2025; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types. Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00. Page 1 of 5; records 1–50 of 212 matching records. This page contains 50 records (maximum 50), not the full filtered export. [Filtered data set page]. https://industrypayments.org/provider/npi-1255478376?year=2025&recipient=provider#records-h. Source: https://openpaymentsdata.cms.gov/dataset/fb0b1734-1410-429d-92f6-3f4b35218e5e.
Bluebook
BRIAN M KARASZEWSKI, NPI 1255478376, CMS profile ID 283689, IndustryPayments, General Payments, PY2025; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types (Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00). Page 1 of 5; records 1–50 of 212 matching records. This page contains 50 records (maximum 50), not the full filtered export. Source: https://openpaymentsdata.cms.gov/dataset/fb0b1734-1410-429d-92f6-3f4b35218e5e. https://industrypayments.org/provider/npi-1255478376?year=2025&recipient=provider#records-h.

Centers for Medicare & Medicaid Services, Open Payments

Citation formats are provided for reference; check the requirements of your publication.

Payment records · PY2025

Ordering applied by this site (date, newest first, then paying entity) · record values are shown as CMS published them

General Payments · PY2025 · Physicians and non-physician practitioners · CMS publication 2026-06-30

212 matching records · $4,057.11 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 212 matching records (CSV)

CSV includes CMS record IDs, source and publication dates, the data edition, and a link to these filters. Formula-like text cells are prefixed with an apostrophe for spreadsheet safety.

Showing records 1–50 of 212.

Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
Takeda Pharmaceuticals U.S.A., Inc. $26.8012/23/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1223906913 CMS
AstraZeneca Pharmaceuticals LP $27.8012/22/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1206805072 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $24.5012/22/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1231825209 CMS
ABBVIE INC. $19.4212/18/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1202160348 CMS
Amgen Inc. $24.0812/17/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1228559418 CMS
GlaxoSmithKline, LLC. $10.7312/17/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1191403558 CMS
Mallinckrodt Hospital Products Inc. $18.4312/15/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1211974118 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $20.1812/15/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1231825205 CMS
Exact Sciences Corporation $10.9112/12/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1235471979 CMS
Lilly USA, LLC $13.5912/11/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1186533943 CMS
BioCryst US Sales Co., LLC $22.1012/10/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1222013051 CMS
UCB, Inc. $27.3212/09/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1224413475 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $16.6612/08/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1222722406 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $17.3512/08/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1222722484 CMS
Takeda Pharmaceuticals U.S.A., Inc. $3.4012/08/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1223800156 CMS
Takeda Pharmaceuticals U.S.A., Inc. $4.1512/08/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1223800634 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $14.6912/04/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1222722486 CMS
Amgen Inc. $6.2512/02/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227099142 CMS
Boston Scientific Corporation $21.3612/02/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1181193188 CMS
BioCryst US Sales Co., LLC $15.9711/26/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1222006068 CMS
AstraZeneca Pharmaceuticals LP $27.9911/24/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1206195338 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $19.0611/24/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1231825200 CMS
Abbott Laboratories $16.5211/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1240994857 CMS
ABBVIE INC. $10.6311/19/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1202160346 CMS
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) $25.1011/19/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241345307 CMS
GlaxoSmithKline, LLC. $14.9511/18/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1191669300 CMS
Regeneron Healthcare Solutions, Inc. $25.2811/18/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1212956012 CMS
Mallinckrodt Hospital Products Inc. $24.8211/17/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1211974114 CMS
Novo Nordisk Inc $16.6611/13/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1188939278 CMS
ABBVIE INC. $20.8511/12/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1202160344 CMS
ABBVIE INC. $17.1311/10/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1202160342 CMS
Exact Sciences Corporation $17.9611/05/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1235471976 CMS
ABBVIE INC. $23.1610/29/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1202160340 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $18.5210/28/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1222722590 CMS
UCB, Inc. $20.8310/27/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1224413473 CMS
Amgen Inc. $5.0310/23/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227099146 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $18.1810/23/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1222722482 CMS
Mallinckrodt Hospital Products Inc. $22.6610/22/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1211974110 CMS
Regeneron Healthcare Solutions, Inc. $22.8110/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1212956010 CMS
ABBVIE INC. $21.4310/15/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1202160338 CMS
BioCryst US Sales Co., LLC $16.8710/14/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1222019998 CMS
Lilly USA, LLC $17.3210/14/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1186541743 CMS
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) $20.3810/09/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241345305 CMS
Lilly USA, LLC $13.4710/08/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1186533949 CMS
PFIZER INC. $18.7010/08/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1229544205 CMS
Takeda Pharmaceuticals U.S.A., Inc. $0.3910/06/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1223795586 CMS
Takeda Pharmaceuticals U.S.A., Inc. $13.2710/06/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1223809638 CMS
PFIZER INC. $14.3710/04/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1230006359 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $8.8210/03/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1222722480 CMS
Ionis Pharmaceuticals, Inc. $28.2410/01/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1246784528 CMS

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $4,087.63 341
PY2020 $3,411.51 210
PY2021 $4,189.60 254
PY2022 $3,480.66 202
PY2023 $4,076.71 231
PY2024 $4,234.97 218
PY2025 $4,057.11 212

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 and profile matching
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.