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

MARC PFEFFER

Allopathic & Osteopathic Physicians Internal Medicine Cardiovascular Disease

NPI
1598703860
CMS profile
343956
Location
BOSTON, MA

General Payments · PY2018–2024

$283,218.30

  • Reported across 164 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$14,722.00

6 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
Consulting Fee $14,722.00 6

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
AstraZeneca UK Limited $7,500.00 4
JAZZ PHARMACEUTICALS INC. $5,472.00 1
Alexion Pharmaceuticals, Inc. $1,750.00 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $137,554.55 62
PY2019 $63,299.25 63
PY2020 $39,860.00 16
PY2021 $13,975.00 8
PY2022 $10,620.00 7
PY2023 $3,187.50 2
PY2024 $14,722.00 6

Payment records · PY2024 (6)

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
Alexion Pharmaceuticals, Inc. $1,750.00 10/15/2024 Consulting Fee Undisputed 01/23/2026 1094040370 CMS
AstraZeneca UK Limited $3,000.00 02/14/2024 Consulting Fee Undisputed 01/23/2026 1093943903 CMS
AstraZeneca UK Limited $1,500.00 05/14/2024 Consulting Fee Undisputed 01/23/2026 1093998589 CMS
AstraZeneca UK Limited $750.00 06/13/2024 Consulting Fee Undisputed 01/23/2026 1094048702 CMS
AstraZeneca UK Limited $2,250.00 11/15/2024 Consulting Fee Undisputed 01/23/2026 1094014004 CMS
JAZZ PHARMACEUTICALS INC. $5,472.00 12/04/2024 Consulting Fee Undisputed 01/23/2026 1150222492 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

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