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

SAGAR U NIGWEKAR

Allopathic & Osteopathic Physicians Internal Medicine Nephrology

NPI
1710939848
CMS profile
981791
Location
BOSTON, MA

General Payments · PY2018–2024

$36,894.09

  • Reported across 56 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$4,476.20

5 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 $4,333.34 4
Food and Beverage $142.86 1

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Alexion Pharmaceuticals, Inc. $3,350.00 2
BECTON, DICKINSON AND COMPANY $491.67 1
ZOLL Medical Corporation $491.67 1
CSL Behring $142.86 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $8,555.99 22
PY2020 $3,849.12 10
PY2021 $11,108.33 5
PY2022 $3,820.47 7
PY2023 $5,083.98 7
PY2024 $4,476.20 5

Payment records · PY2024 (5)

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

Program year 2024 20182020202120222023 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. $2,010.00 04/03/2024 Consulting Fee Undisputed 01/23/2026 1093882239 CMS
Alexion Pharmaceuticals, Inc. $1,340.00 07/22/2024 Consulting Fee Undisputed 01/23/2026 1093899896 CMS
Becton, Dickinson and Company $491.67 01/25/2024 Consulting Fee Undisputed 01/23/2026 1127614678 CMS
CSL Behring $142.86 10/25/2024 Food and Beverage Undisputed 01/23/2026 1134612735 CMS
ZOLL Medical Corporation $491.67 10/25/2024 Consulting Fee Undisputed 01/23/2026 1147467979 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, 2020, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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