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

MATTHEW A MAVISSAKALIAN

Allopathic & Osteopathic Physicians Allergy & Immunology

NPI
1790028397
CMS profile
5697404
Location
TONAWANDA, NY

General Payments · PY2018–2024

$12,295.68

  • Reported across 428 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$2,302.19

109 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 $2,302.19 109

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $830.24 21
PY2019 $3,284.81 63
PY2020 $941.79 39
PY2021 $1,416.46 45
PY2022 $1,343.82 55
PY2023 $2,176.37 96
PY2024 $2,302.19 109

Payment records · PY2024 (109)

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. $26.77 02/29/2024 Food and Beverage Undisputed 01/23/2026 1115910946 CMS
Amgen Inc. $20.81 03/29/2024 Food and Beverage Undisputed 01/23/2026 1115910958 CMS
Amgen Inc. $22.87 06/19/2024 Food and Beverage Undisputed 01/23/2026 1115910965 CMS
Amgen Inc. $124.89 10/10/2024 Food and Beverage Undisputed 01/23/2026 1115910952 CMS
AstraZeneca Pharmaceuticals LP $64.89 02/08/2024 Food and Beverage Undisputed 01/23/2026 1104233053 CMS
AstraZeneca Pharmaceuticals LP $114.29 03/21/2024 Food and Beverage Undisputed 01/23/2026 1105523817 CMS
AstraZeneca Pharmaceuticals LP $18.87 04/12/2024 Food and Beverage Undisputed 01/23/2026 1105253432 CMS
AstraZeneca Pharmaceuticals LP $17.29 04/26/2024 Food and Beverage Undisputed 01/23/2026 1104754580 CMS
AstraZeneca Pharmaceuticals LP $15.54 05/25/2024 Food and Beverage Undisputed 01/23/2026 1105741342 CMS
AstraZeneca Pharmaceuticals LP $16.87 07/27/2024 Food and Beverage Undisputed 01/23/2026 1104751142 CMS
AstraZeneca Pharmaceuticals LP $15.79 08/28/2024 Food and Beverage Undisputed 01/23/2026 1105793622 CMS
AstraZeneca Pharmaceuticals LP $19.99 09/06/2024 Food and Beverage Undisputed 01/23/2026 1105324708 CMS
AstraZeneca Pharmaceuticals LP $14.03 10/02/2024 Food and Beverage Undisputed 01/23/2026 1105645856 CMS
AstraZeneca Pharmaceuticals LP $19.95 12/11/2024 Food and Beverage Undisputed 01/23/2026 1105207765 CMS
BioCryst US Sales Co., LLC $19.42 01/10/2024 Food and Beverage Undisputed 01/23/2026 1117469861 CMS
BioCryst US Sales Co., LLC $22.32 04/19/2024 Food and Beverage Undisputed 01/23/2026 1117472808 CMS
BioCryst US Sales Co., LLC $21.37 08/02/2024 Food and Beverage Undisputed 01/23/2026 1117472378 CMS
BioCryst US Sales Co., LLC $21.37 11/22/2024 Food and Beverage Undisputed 01/23/2026 1117481772 CMS
CSL Behring $22.11 02/01/2024 Food and Beverage Undisputed 01/23/2026 1134628335 CMS
CSL Behring $37.19 03/20/2024 Food and Beverage Undisputed 01/23/2026 1134628367 CMS
CSL Behring $31.98 05/01/2024 Food and Beverage Undisputed 01/23/2026 1134628379 CMS
CSL Behring $13.75 07/12/2024 Food and Beverage Undisputed 01/23/2026 1134628385 CMS
Genentech USA, Inc. $20.60 03/12/2024 Food and Beverage Undisputed 01/23/2026 1133066641 CMS
Genentech USA, Inc. $15.45 04/30/2024 Food and Beverage Undisputed 01/23/2026 1133066645 CMS
Genentech USA, Inc. $19.58 08/23/2024 Food and Beverage Undisputed 01/23/2026 1133066649 CMS
Genentech USA, Inc. $23.15 10/08/2024 Food and Beverage Undisputed 01/23/2026 1133066653 CMS
Genentech USA, Inc. $15.81 10/08/2024 Food and Beverage Undisputed 01/23/2026 1133066657 CMS
GENZYME CORPORATION $38.42 01/17/2024 Food and Beverage Undisputed 01/23/2026 1139827366 CMS
GENZYME CORPORATION $9.72 01/18/2024 Food and Beverage Undisputed 01/23/2026 1139827358 CMS
GENZYME CORPORATION $124.89 01/18/2024 Food and Beverage Undisputed 01/23/2026 1139827418 CMS
GENZYME CORPORATION $23.95 02/14/2024 Food and Beverage Undisputed 01/23/2026 1139827362 CMS
GENZYME CORPORATION $11.51 02/29/2024 Food and Beverage Undisputed 01/23/2026 1139827370 CMS
GENZYME CORPORATION $8.79 04/02/2024 Food and Beverage Undisputed 01/23/2026 1139827382 CMS
GENZYME CORPORATION $26.49 05/03/2024 Food and Beverage Undisputed 01/23/2026 1139827388 CMS
GENZYME CORPORATION $17.32 05/22/2024 Food and Beverage Undisputed 01/23/2026 1139827396 CMS
GENZYME CORPORATION $7.09 07/11/2024 Food and Beverage Undisputed 01/23/2026 1139827406 CMS
GENZYME CORPORATION $6.25 07/22/2024 Food and Beverage Undisputed 01/23/2026 1139827408 CMS
GENZYME CORPORATION $26.39 08/16/2024 Food and Beverage Undisputed 01/23/2026 1139827416 CMS
GENZYME CORPORATION $8.42 08/27/2024 Food and Beverage Undisputed 01/23/2026 1139827420 CMS
GENZYME CORPORATION $6.98 09/17/2024 Food and Beverage Undisputed 01/23/2026 1139827424 CMS
GENZYME CORPORATION $2.50 10/10/2024 Food and Beverage Undisputed 01/23/2026 1139827434 CMS
GENZYME CORPORATION $8.11 12/17/2024 Food and Beverage Undisputed 01/23/2026 1139827440 CMS
GlaxoSmithKline, LLC. $16.75 01/11/2024 Food and Beverage Undisputed 01/23/2026 1116645374 CMS
GlaxoSmithKline, LLC. $20.39 02/09/2024 Food and Beverage Undisputed 01/23/2026 1116611847 CMS
GlaxoSmithKline, LLC. $18.76 05/10/2024 Food and Beverage Undisputed 01/23/2026 1116328568 CMS
GlaxoSmithKline, LLC. $4.25 05/17/2024 Food and Beverage Undisputed 01/23/2026 1116314932 CMS
GlaxoSmithKline, LLC. $7.30 05/17/2024 Food and Beverage Undisputed 01/23/2026 1116381274 CMS
GlaxoSmithKline, LLC. $4.33 05/17/2024 Food and Beverage Undisputed 01/23/2026 1116501501 CMS
GlaxoSmithKline, LLC. $109.44 06/13/2024 Food and Beverage Undisputed 01/23/2026 1116466612 CMS
GlaxoSmithKline, LLC. $9.79 06/26/2024 Food and Beverage Undisputed 01/23/2026 1116732224 CMS
GlaxoSmithKline, LLC. $16.94 08/07/2024 Food and Beverage Undisputed 01/23/2026 1116447602 CMS
GlaxoSmithKline, LLC. $7.07 09/03/2024 Food and Beverage Undisputed 01/23/2026 1116633515 CMS
GlaxoSmithKline, LLC. $18.69 09/18/2024 Food and Beverage Undisputed 01/23/2026 1116296229 CMS
GlaxoSmithKline, LLC. $18.49 10/16/2024 Food and Beverage Undisputed 01/23/2026 1116128848 CMS
GlaxoSmithKline, LLC. $17.51 10/30/2024 Food and Beverage Undisputed 01/23/2026 1116130304 CMS
GlaxoSmithKline, LLC. $16.92 11/06/2024 Food and Beverage Undisputed 01/23/2026 1116510515 CMS
GlaxoSmithKline, LLC. $7.57 12/04/2024 Food and Beverage Undisputed 01/23/2026 1116425209 CMS
GlaxoSmithKline, LLC. $5.61 12/19/2024 Food and Beverage Undisputed 01/23/2026 1116584933 CMS
Grifols USA, LLC $18.34 02/21/2024 Food and Beverage Undisputed 01/23/2026 1124748007 CMS
kaleo, Inc. $24.76 01/03/2024 Food and Beverage Undisputed 01/23/2026 1126627967 CMS
kaleo, Inc. $20.98 04/02/2024 Food and Beverage Undisputed 01/23/2026 1126627969 CMS
Mylan Specialty L.P. $13.40 03/22/2024 Food and Beverage Undisputed 01/23/2026 1147338566 CMS
Octapharma USA, Inc. $22.71 05/28/2024 Food and Beverage Undisputed 01/23/2026 1142316900 CMS
Optinose US, Inc. $15.68 06/06/2024 Food and Beverage Undisputed 01/23/2026 1142184121 CMS
PFIZER INC. $27.30 03/13/2024 Food and Beverage Undisputed 01/23/2026 1131291106 CMS
PFIZER INC. $5.97 04/04/2024 Food and Beverage Undisputed 01/23/2026 1130905776 CMS
PFIZER INC. $25.63 05/08/2024 Food and Beverage Undisputed 01/23/2026 1131444939 CMS
PFIZER INC. $6.08 08/08/2024 Food and Beverage Undisputed 01/23/2026 1130954859 CMS
PFIZER INC. $21.83 08/30/2024 Food and Beverage Undisputed 01/23/2026 1131836200 CMS
PFIZER INC. $20.83 10/04/2024 Food and Beverage Undisputed 01/23/2026 1132083638 CMS
PFIZER INC. $28.40 11/13/2024 Food and Beverage Undisputed 01/23/2026 1131178464 CMS
Pharming Healthcare, Inc. $19.52 01/27/2024 Food and Beverage Undisputed 01/23/2026 1132156241 CMS
Pharming Healthcare, Inc. $25.18 09/03/2024 Food and Beverage Undisputed 01/23/2026 1132156246 CMS
Pharming Healthcare, Inc. $25.15 11/07/2024 Food and Beverage Undisputed 01/23/2026 1132156251 CMS
Regeneron Healthcare Solutions, Inc. $5.38 01/03/2024 Food and Beverage Undisputed 01/23/2026 1114110245 CMS
Regeneron Healthcare Solutions, Inc. $5.10 01/19/2024 Food and Beverage Undisputed 01/23/2026 1114110247 CMS
Regeneron Healthcare Solutions, Inc. $21.71 01/22/2024 Food and Beverage Undisputed 01/23/2026 1114110249 CMS
Regeneron Healthcare Solutions, Inc. $5.23 01/25/2024 Food and Beverage Undisputed 01/23/2026 1114110251 CMS
Regeneron Healthcare Solutions, Inc. $7.11 02/01/2024 Food and Beverage Undisputed 01/23/2026 1114110253 CMS
Regeneron Healthcare Solutions, Inc. $5.11 02/01/2024 Food and Beverage Undisputed 01/23/2026 1114110255 CMS
Regeneron Healthcare Solutions, Inc. $6.14 02/15/2024 Food and Beverage Undisputed 01/23/2026 1114110257 CMS
Regeneron Healthcare Solutions, Inc. $28.19 02/17/2024 Food and Beverage Undisputed 01/23/2026 1114110259 CMS
Regeneron Healthcare Solutions, Inc. $5.75 02/27/2024 Food and Beverage Undisputed 01/23/2026 1114110261 CMS
Regeneron Healthcare Solutions, Inc. $124.99 03/29/2024 Food and Beverage Undisputed 01/23/2026 1114110263 CMS
Regeneron Healthcare Solutions, Inc. $6.48 04/03/2024 Food and Beverage Undisputed 01/23/2026 1114110265 CMS
Regeneron Healthcare Solutions, Inc. $5.41 04/10/2024 Food and Beverage Undisputed 01/23/2026 1114110267 CMS
Regeneron Healthcare Solutions, Inc. $12.07 04/11/2024 Food and Beverage Undisputed 01/23/2026 1114110269 CMS
Regeneron Healthcare Solutions, Inc. $5.70 04/18/2024 Food and Beverage Undisputed 01/23/2026 1114110271 CMS
Regeneron Healthcare Solutions, Inc. $6.24 05/10/2024 Food and Beverage Undisputed 01/23/2026 1114110273 CMS
Regeneron Healthcare Solutions, Inc. $5.70 05/15/2024 Food and Beverage Undisputed 01/23/2026 1114110275 CMS
Regeneron Healthcare Solutions, Inc. $5.84 05/23/2024 Food and Beverage Undisputed 01/23/2026 1114110277 CMS
Regeneron Healthcare Solutions, Inc. $6.97 06/05/2024 Food and Beverage Undisputed 01/23/2026 1114110279 CMS
Regeneron Healthcare Solutions, Inc. $5.71 07/02/2024 Food and Beverage Undisputed 01/23/2026 1114110281 CMS
Regeneron Healthcare Solutions, Inc. $28.25 07/17/2024 Food and Beverage Undisputed 01/23/2026 1114110283 CMS
Regeneron Healthcare Solutions, Inc. $5.82 07/18/2024 Food and Beverage Undisputed 01/23/2026 1114110285 CMS
Regeneron Healthcare Solutions, Inc. $6.68 07/25/2024 Food and Beverage Undisputed 01/23/2026 1114110287 CMS
Regeneron Healthcare Solutions, Inc. $6.44 08/22/2024 Food and Beverage Undisputed 01/23/2026 1114110289 CMS
Regeneron Healthcare Solutions, Inc. $5.83 08/29/2024 Food and Beverage Undisputed 01/23/2026 1114110291 CMS
Regeneron Healthcare Solutions, Inc. $6.93 10/01/2024 Food and Beverage Undisputed 01/23/2026 1114110293 CMS
Regeneron Healthcare Solutions, Inc. $5.47 10/17/2024 Food and Beverage Undisputed 01/23/2026 1114110295 CMS
Regeneron Healthcare Solutions, Inc. $27.60 10/23/2024 Food and Beverage Undisputed 01/23/2026 1114110297 CMS
Regeneron Healthcare Solutions, Inc. $5.58 10/31/2024 Food and Beverage Undisputed 01/23/2026 1114110299 CMS
Regeneron Healthcare Solutions, Inc. $73.76 11/12/2024 Food and Beverage Undisputed 01/23/2026 1114110301 CMS
Regeneron Healthcare Solutions, Inc. $5.59 11/21/2024 Food and Beverage Undisputed 01/23/2026 1114110303 CMS
Regeneron Healthcare Solutions, Inc. $6.62 12/12/2024 Food and Beverage Undisputed 01/23/2026 1114110305 CMS
Regeneron Healthcare Solutions, Inc. $22.16 12/18/2024 Food and Beverage Undisputed 01/23/2026 1114110307 CMS
Takeda Pharmaceuticals U.S.A., Inc. $31.22 04/17/2024 Food and Beverage Undisputed 01/23/2026 1137631567 CMS
Takeda Pharmaceuticals U.S.A., Inc. $18.46 07/19/2024 Food and Beverage Undisputed 01/23/2026 1137631569 CMS
Takeda Pharmaceuticals U.S.A., Inc. $25.60 09/27/2024 Food and Beverage Undisputed 01/23/2026 1137631571 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.