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

CHRISTOPHER G MASSEY

Physician Assistants & Advanced Practice Nursing Providers Physician Assistant

NPI
1417903907
CMS profile
11087839
Location
WILBRAHAM, MA

General Payments · PY2021–2024

$185,771.27

  • Reported across 996 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$17,966.37

139 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

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2021 $45,262.38 307
PY2022 $65,572.14 317
PY2023 $56,970.38 233
PY2024 $17,966.37 139

Payment records · PY2024 (139)

Sorted by paying entity, then date · as published by CMS

Program year 2024 202120222023 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. $19.74 02/12/2024 Food and Beverage Undisputed 01/23/2026 1115907857 CMS
Amgen Inc. $3.79 02/28/2024 Food and Beverage Undisputed 01/23/2026 1115907861 CMS
Amgen Inc. $21.38 03/14/2024 Food and Beverage Undisputed 01/23/2026 1115907873 CMS
Amgen Inc. $8.26 04/15/2024 Food and Beverage Undisputed 01/23/2026 1115907931 CMS
Amgen Inc. $15.20 04/23/2024 Food and Beverage Undisputed 01/23/2026 1115907936 CMS
Amgen Inc. $8.97 05/09/2024 Food and Beverage Undisputed 01/23/2026 1115907943 CMS
Amgen Inc. $26.89 05/13/2024 Food and Beverage Undisputed 01/23/2026 1115907734 CMS
Amgen Inc. $20.25 12/11/2024 Food and Beverage Undisputed 01/23/2026 1115907752 CMS
AstraZeneca Pharmaceuticals LP $600.00 02/01/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1105537168 CMS
AstraZeneca Pharmaceuticals LP $23.86 02/27/2024 Food and Beverage Undisputed 01/23/2026 1104401323 CMS
AstraZeneca Pharmaceuticals LP $28.68 03/05/2024 Food and Beverage Undisputed 01/23/2026 1104644331 CMS
AstraZeneca Pharmaceuticals LP $600.00 03/05/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1105512553 CMS
AstraZeneca Pharmaceuticals LP $132.66 03/06/2024 Travel and Lodging Undisputed 01/23/2026 1104736971 CMS
AstraZeneca Pharmaceuticals LP $84.71 03/06/2024 Food and Beverage Undisputed 01/23/2026 1105315106 CMS
AstraZeneca Pharmaceuticals LP $24.17 03/11/2024 Food and Beverage Undisputed 01/23/2026 1104477068 CMS
AstraZeneca Pharmaceuticals LP $2,800.00 03/19/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1104543822 CMS
AstraZeneca Pharmaceuticals LP $30.22 03/20/2024 Food and Beverage Undisputed 01/23/2026 1104387871 CMS
AstraZeneca Pharmaceuticals LP $13.45 03/25/2024 Food and Beverage Undisputed 01/23/2026 1104662999 CMS
AstraZeneca Pharmaceuticals LP $51.40 04/08/2024 Food and Beverage Undisputed 01/23/2026 1104232165 CMS
AstraZeneca Pharmaceuticals LP $21.32 04/08/2024 Food and Beverage Undisputed 01/23/2026 1105207105 CMS
AstraZeneca Pharmaceuticals LP $33.38 04/29/2024 Food and Beverage Undisputed 01/23/2026 1105410368 CMS
AstraZeneca Pharmaceuticals LP $16.70 05/07/2024 Food and Beverage Undisputed 01/23/2026 1104671709 CMS
AstraZeneca Pharmaceuticals LP $26.39 05/21/2024 Food and Beverage Undisputed 01/23/2026 1105759761 CMS
AstraZeneca Pharmaceuticals LP $32.64 06/03/2024 Food and Beverage Undisputed 01/23/2026 1105532354 CMS
AstraZeneca Pharmaceuticals LP $26.61 06/10/2024 Food and Beverage Undisputed 01/23/2026 1105733123 CMS
AstraZeneca Pharmaceuticals LP $22.82 06/10/2024 Food and Beverage Undisputed 01/23/2026 1105777676 CMS
AstraZeneca Pharmaceuticals LP $29.31 06/25/2024 Food and Beverage Undisputed 01/23/2026 1104379941 CMS
AstraZeneca Pharmaceuticals LP $19.21 07/01/2024 Food and Beverage Undisputed 01/23/2026 1105817751 CMS
AstraZeneca Pharmaceuticals LP $20.71 07/02/2024 Food and Beverage Undisputed 01/23/2026 1104345052 CMS
AstraZeneca Pharmaceuticals LP $125.00 07/09/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1105826181 CMS
AstraZeneca Pharmaceuticals LP $250.00 07/11/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1104289628 CMS
AstraZeneca Pharmaceuticals LP $23.83 07/22/2024 Food and Beverage Undisputed 01/23/2026 1104714151 CMS
AstraZeneca Pharmaceuticals LP $126.22 08/03/2024 Travel and Lodging Undisputed 01/23/2026 1104553764 CMS
AstraZeneca Pharmaceuticals LP $668.65 08/03/2024 Travel and Lodging Undisputed 01/23/2026 1104616792 CMS
AstraZeneca Pharmaceuticals LP $39.80 08/03/2024 Food and Beverage Undisputed 01/23/2026 1104695330 CMS
AstraZeneca Pharmaceuticals LP $189.36 08/03/2024 Travel and Lodging Undisputed 01/23/2026 1105300075 CMS
AstraZeneca Pharmaceuticals LP $24.13 08/12/2024 Food and Beverage Undisputed 01/23/2026 1104304396 CMS
AstraZeneca Pharmaceuticals LP $2,800.00 08/15/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1104599944 CMS
AstraZeneca Pharmaceuticals LP $22.12 08/19/2024 Food and Beverage Undisputed 01/23/2026 1104416517 CMS
AstraZeneca Pharmaceuticals LP $22.82 08/27/2024 Food and Beverage Undisputed 01/23/2026 1104690856 CMS
AstraZeneca Pharmaceuticals LP $22.02 09/10/2024 Food and Beverage Undisputed 01/23/2026 1104371335 CMS
AstraZeneca Pharmaceuticals LP $28.11 09/13/2024 Food and Beverage Undisputed 01/23/2026 1104233873 CMS
AstraZeneca Pharmaceuticals LP $23.17 09/24/2024 Food and Beverage Undisputed 01/23/2026 1104682385 CMS
AstraZeneca Pharmaceuticals LP $600.00 10/03/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1104411219 CMS
AstraZeneca Pharmaceuticals LP $33.06 10/08/2024 Food and Beverage Undisputed 01/23/2026 1105454407 CMS
AstraZeneca Pharmaceuticals LP $10.86 10/15/2024 Education Undisputed 01/23/2026 1104435617 CMS
AstraZeneca Pharmaceuticals LP $15.33 10/16/2024 Food and Beverage Undisputed 01/23/2026 1105672653 CMS
AstraZeneca Pharmaceuticals LP $2,800.00 10/17/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1105453999 CMS
AstraZeneca Pharmaceuticals LP $73.31 10/22/2024 Food and Beverage Undisputed 01/23/2026 1104591200 CMS
AstraZeneca Pharmaceuticals LP $138.02 10/22/2024 Travel and Lodging Undisputed 01/23/2026 1105835175 CMS
AstraZeneca Pharmaceuticals LP $26.36 10/23/2024 Food and Beverage Undisputed 01/23/2026 1104428533 CMS
AstraZeneca Pharmaceuticals LP $62.86 10/24/2024 Food and Beverage Undisputed 01/23/2026 1104565456 CMS
AstraZeneca Pharmaceuticals LP $2,800.00 10/24/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1104702069 CMS
AstraZeneca Pharmaceuticals LP $26.74 10/31/2024 Food and Beverage Undisputed 01/23/2026 1104752754 CMS
AstraZeneca Pharmaceuticals LP $18.84 11/05/2024 Food and Beverage Undisputed 01/23/2026 1105576820 CMS
AstraZeneca Pharmaceuticals LP $30.49 11/06/2024 Food and Beverage Undisputed 01/23/2026 1105766098 CMS
AstraZeneca Pharmaceuticals LP $26.91 11/12/2024 Food and Beverage Undisputed 01/23/2026 1105744210 CMS
AstraZeneca Pharmaceuticals LP $24.51 11/19/2024 Food and Beverage Undisputed 01/23/2026 1104437245 CMS
AstraZeneca Pharmaceuticals LP $26.26 11/26/2024 Food and Beverage Undisputed 01/23/2026 1105775952 CMS
AstraZeneca Pharmaceuticals LP $30.81 12/02/2024 Food and Beverage Undisputed 01/23/2026 1105237416 CMS
AstraZeneca Pharmaceuticals LP $14.79 12/05/2024 Food and Beverage Undisputed 01/23/2026 1104350148 CMS
AstraZeneca Pharmaceuticals LP $23.53 12/18/2024 Food and Beverage Undisputed 01/23/2026 1104369991 CMS
BioCryst US Sales Co., LLC $101.33 04/09/2024 Food and Beverage Undisputed 01/23/2026 1117480952 CMS
Blueprint Medicines Corporation $25.16 08/14/2024 Food and Beverage Undisputed 01/23/2026 1147454169 CMS
Blueprint Medicines Corporation $121.08 08/20/2024 Food and Beverage Undisputed 01/23/2026 1147454111 CMS
CSL Behring $25.84 02/26/2024 Food and Beverage Undisputed 01/23/2026 1134642695 CMS
CSL Behring $31.32 04/15/2024 Food and Beverage Undisputed 01/23/2026 1134642709 CMS
CSL Behring $31.45 06/27/2024 Food and Beverage Undisputed 01/23/2026 1134642893 CMS
CSL Behring $28.50 08/21/2024 Food and Beverage Undisputed 01/23/2026 1134642919 CMS
CSL Behring $25.62 10/01/2024 Food and Beverage Undisputed 01/23/2026 1134642941 CMS
CSL Behring $28.30 11/04/2024 Food and Beverage Undisputed 01/23/2026 1134642967 CMS
CSL Behring $6.55 11/19/2024 Food and Beverage Undisputed 01/23/2026 1134642969 CMS
CSL Behring $19.28 11/20/2024 Food and Beverage Undisputed 01/23/2026 1134642971 CMS
Genentech USA, Inc. $28.28 03/14/2024 Food and Beverage Undisputed 01/23/2026 1133151330 CMS
Genentech USA, Inc. $23.90 05/15/2024 Food and Beverage Undisputed 01/23/2026 1133151334 CMS
Genentech USA, Inc. $31.98 06/12/2024 Food and Beverage Undisputed 01/23/2026 1133151338 CMS
Genentech USA, Inc. $34.89 07/25/2024 Food and Beverage Undisputed 01/23/2026 1133151346 CMS
Genentech USA, Inc. $26.30 08/28/2024 Food and Beverage Undisputed 01/23/2026 1133151342 CMS
Genentech USA, Inc. $80.79 09/18/2024 Food and Beverage Undisputed 01/23/2026 1133151350 CMS
Genentech USA, Inc. $19.84 09/26/2024 Food and Beverage Undisputed 01/23/2026 1133151355 CMS
Genentech USA, Inc. $33.07 10/29/2024 Food and Beverage Undisputed 01/23/2026 1133151359 CMS
Genentech USA, Inc. $30.52 12/04/2024 Food and Beverage Undisputed 01/23/2026 1133151363 CMS
GENZYME CORPORATION $18.30 02/07/2024 Food and Beverage Undisputed 01/23/2026 1139643400 CMS
GENZYME CORPORATION $6.65 02/27/2024 Food and Beverage Undisputed 01/23/2026 1139643402 CMS
GENZYME CORPORATION $19.38 03/06/2024 Food and Beverage Undisputed 01/23/2026 1139643414 CMS
GENZYME CORPORATION $43.00 04/03/2024 Food and Beverage Undisputed 01/23/2026 1139643448 CMS
GENZYME CORPORATION $36.62 05/01/2024 Food and Beverage Undisputed 01/23/2026 1139643476 CMS
GENZYME CORPORATION $34.09 06/04/2024 Food and Beverage Undisputed 01/23/2026 1139643472 CMS
GENZYME CORPORATION $32.65 08/05/2024 Food and Beverage Undisputed 01/23/2026 1139643482 CMS
GENZYME CORPORATION $33.85 09/03/2024 Food and Beverage Undisputed 01/23/2026 1139643498 CMS
GENZYME CORPORATION $9.76 09/12/2024 Food and Beverage Undisputed 01/23/2026 1139643500 CMS
GENZYME CORPORATION $33.90 10/07/2024 Food and Beverage Undisputed 01/23/2026 1139643662 CMS
GENZYME CORPORATION $5.27 10/23/2024 Food and Beverage Undisputed 01/23/2026 1139643674 CMS
GENZYME CORPORATION $30.35 10/30/2024 Food and Beverage Undisputed 01/23/2026 1139643678 CMS
GENZYME CORPORATION $41.13 12/03/2024 Food and Beverage Undisputed 01/23/2026 1139643696 CMS
Grifols USA, LLC $19.19 06/20/2024 Food and Beverage Undisputed 01/23/2026 1124727957 CMS
Kedrion Biopharma, Inc. $23.73 04/16/2024 Food and Beverage Undisputed 01/23/2026 1125861301 CMS
Kedrion Biopharma, Inc. $19.59 05/28/2024 Food and Beverage Undisputed 01/23/2026 1125861295 CMS
Kedrion Biopharma, Inc. $19.03 06/21/2024 Food and Beverage Undisputed 01/23/2026 1125861299 CMS
LEO Pharma Inc. $29.43 04/22/2024 Food and Beverage Undisputed 01/23/2026 1152678599 CMS
LEO Pharma Inc. $19.95 08/15/2024 Food and Beverage Undisputed 01/23/2026 1152678601 CMS
LEO Pharma Inc. $19.79 09/05/2024 Food and Beverage Undisputed 01/23/2026 1152678603 CMS
Lilly USA, LLC $33.25 11/11/2024 Food and Beverage Undisputed 01/23/2026 1135602747 CMS
Novartis Pharmaceuticals Corporation $17.27 06/26/2024 Food and Beverage Undisputed 01/23/2026 1087005288 CMS
Novartis Pharmaceuticals Corporation $17.89 10/17/2024 Food and Beverage Undisputed 01/23/2026 1087005290 CMS
Novartis Pharmaceuticals Corporation $23.55 11/13/2024 Food and Beverage Undisputed 01/23/2026 1087005292 CMS
PFIZER INC. $25.02 05/01/2024 Food and Beverage Undisputed 01/23/2026 1131576697 CMS
PFIZER INC. $6.88 05/15/2024 Food and Beverage Undisputed 01/23/2026 1131404279 CMS
PFIZER INC. $10.00 06/26/2024 Food and Beverage Undisputed 01/23/2026 1131437180 CMS
PFIZER INC. $19.42 08/08/2024 Food and Beverage Undisputed 01/23/2026 1131782378 CMS
PFIZER INC. $6.14 09/16/2024 Food and Beverage Undisputed 01/23/2026 1131421188 CMS
PFIZER INC. $25.14 10/03/2024 Food and Beverage Undisputed 01/23/2026 1131972941 CMS
PFIZER INC. $7.67 11/13/2024 Food and Beverage Undisputed 01/23/2026 1131399397 CMS
PFIZER INC. $32.89 12/19/2024 Food and Beverage Undisputed 01/23/2026 1131488140 CMS
Pharming Healthcare, Inc. $22.15 01/29/2024 Food and Beverage Undisputed 01/23/2026 1132178941 CMS
Pharming Healthcare, Inc. $23.72 05/21/2024 Food and Beverage Undisputed 01/23/2026 1132178951 CMS
Pharming Healthcare, Inc. $28.42 07/29/2024 Food and Beverage Undisputed 01/23/2026 1132178962 CMS
Pharming Healthcare, Inc. $24.32 09/24/2024 Food and Beverage Undisputed 01/23/2026 1132178971 CMS
Pharming Healthcare, Inc. $23.46 11/21/2024 Food and Beverage Undisputed 01/23/2026 1132178979 CMS
Regeneron Healthcare Solutions, Inc. $17.53 01/31/2024 Food and Beverage Undisputed 01/23/2026 1114338354 CMS
Regeneron Healthcare Solutions, Inc. $17.81 02/20/2024 Food and Beverage Undisputed 01/23/2026 1114338356 CMS
Regeneron Healthcare Solutions, Inc. $33.98 03/05/2024 Food and Beverage Undisputed 01/23/2026 1114338358 CMS
Regeneron Healthcare Solutions, Inc. $21.08 03/12/2024 Food and Beverage Undisputed 01/23/2026 1114338360 CMS
Regeneron Healthcare Solutions, Inc. $33.96 04/02/2024 Food and Beverage Undisputed 01/23/2026 1114338362 CMS
Regeneron Healthcare Solutions, Inc. $4.74 04/17/2024 Food and Beverage Undisputed 01/23/2026 1114338364 CMS
Regeneron Healthcare Solutions, Inc. $9.87 04/30/2024 Food and Beverage Undisputed 01/23/2026 1114338366 CMS
Regeneron Healthcare Solutions, Inc. $26.40 05/06/2024 Food and Beverage Undisputed 01/23/2026 1114338368 CMS
Regeneron Healthcare Solutions, Inc. $39.61 05/29/2024 Food and Beverage Undisputed 01/23/2026 1114338370 CMS
Regeneron Healthcare Solutions, Inc. $20.55 06/17/2024 Food and Beverage Undisputed 01/23/2026 1114338372 CMS
Regeneron Healthcare Solutions, Inc. $3.07 07/01/2024 Food and Beverage Undisputed 01/23/2026 1114338374 CMS
Regeneron Healthcare Solutions, Inc. $14.09 07/09/2024 Food and Beverage Undisputed 01/23/2026 1114338376 CMS
Regeneron Healthcare Solutions, Inc. $19.67 08/13/2024 Food and Beverage Undisputed 01/23/2026 1114338378 CMS
Regeneron Healthcare Solutions, Inc. $12.75 08/20/2024 Food and Beverage Undisputed 01/23/2026 1114338380 CMS
Regeneron Healthcare Solutions, Inc. $26.90 10/01/2024 Food and Beverage Undisputed 01/23/2026 1114338382 CMS
Regeneron Healthcare Solutions, Inc. $4.48 10/22/2024 Food and Beverage Undisputed 01/23/2026 1114338384 CMS
Regeneron Healthcare Solutions, Inc. $29.30 10/30/2024 Food and Beverage Undisputed 01/23/2026 1114338386 CMS
Regeneron Healthcare Solutions, Inc. $18.85 11/25/2024 Food and Beverage Undisputed 01/23/2026 1114338388 CMS
Regeneron Healthcare Solutions, Inc. $36.26 12/17/2024 Food and Beverage Undisputed 01/23/2026 1114338390 CMS
SANOFI-AVENTIS U.S. LLC $67.99 09/12/2024 Education Undisputed 01/23/2026 1139643508 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
2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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