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

GAD A MARSHALL

Allopathic & Osteopathic Physicians Psychiatry & Neurology Neurology

NPI
1639105513
CMS profile
28805
Location
BOSTON, MA

General Payments · PY2018–2019

$16,275.04

  • Reported across 18 records
  • CMS publication 2026-01-23

Latest program year · PY2019

$11,345.70

16 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

PY2019 · sorted by reported total

Nature of paymentAmountRecords
Consulting Fee $8,800.00 2
Travel and Lodging $2,011.84 7
Food and Beverage $533.86 7

By paying entity

PY2019 · sorted by reported total

Paying entityAmountRecords
EISAI INC. $6,636.81 8
Grifols Shared Services North America, Inc. $4,708.89 8

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $4,929.34 2
PY2019 $11,345.70 16

Payment records · PY2019 (16)

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

Program year 2019 2018 Record-level detail is published for PY2019; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Eisai Inc. $892.60 02/08/2019 Travel and Lodging Undisputed 01/23/2026 698079757 CMS
Eisai Inc. $275.80 02/08/2019 Travel and Lodging Undisputed 01/23/2026 698079759 CMS
Eisai Inc. $114.83 02/08/2019 Food and Beverage Undisputed 01/23/2026 698079761 CMS
Eisai Inc. $58.43 02/08/2019 Food and Beverage Undisputed 01/23/2026 698079763 CMS
Eisai Inc. $40.29 02/08/2019 Food and Beverage Undisputed 01/23/2026 698079765 CMS
Eisai Inc. $34.86 02/08/2019 Food and Beverage Undisputed 01/23/2026 698079767 CMS
Eisai Inc. $220.00 02/08/2019 Travel and Lodging Undisputed 01/23/2026 698079769 CMS
Eisai Inc. $5,000.00 02/08/2019 Consulting Fee Undisputed 01/23/2026 701432681 CMS
Grifols Shared Services North America, Inc. $139.00 05/02/2019 Food and Beverage Undisputed 01/23/2026 692575837 CMS
Grifols Shared Services North America, Inc. $275.65 05/02/2019 Travel and Lodging Undisputed 01/23/2026 692575929 CMS
Grifols Shared Services North America, Inc. $118.00 05/02/2019 Travel and Lodging Undisputed 01/23/2026 692575931 CMS
Grifols Shared Services North America, Inc. $208.09 05/02/2019 Travel and Lodging Undisputed 01/23/2026 692576063 CMS
Grifols Shared Services North America, Inc. $138.00 05/03/2019 Food and Beverage Undisputed 01/23/2026 692576061 CMS
Grifols Shared Services North America, Inc. $21.70 05/21/2019 Travel and Lodging Undisputed 01/23/2026 692574307 CMS
Grifols Shared Services North America, Inc. $3,800.00 05/21/2019 Consulting Fee Undisputed 01/23/2026 692574315 CMS
Grifols Shared Services North America, Inc. $8.45 05/21/2019 Food and Beverage Undisputed 01/23/2026 692574521 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
Source files
Dataset page · Bulk file · PY2018 , PY2019
Generated from
OP_DTL_GNRL_PGYR2019_P01232026_01102026.csv

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