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

CHRISTINE N SANG

Allopathic & Osteopathic Physicians Anesthesiology Pain Medicine

NPI
1548297492
CMS profile
805721
Location
BOSTON, MA

General Payments · PY2018–2024

$50,508.56

  • Reported across 45 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,425.21

13 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
Travel and Lodging $1,096.83 4
Food and Beverage $328.38 9

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Merck Sharp & Dohme Corporation $1,278.49 7
VERTEX PHARMACEUTICALS INCORPORATED $146.72 6

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $6,655.28 9
PY2019 $17,808.32 20
PY2020 $24,619.75 3
PY2024 $1,425.21 13

Payment records · PY2024 (13)

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

Program year 2024 201820192020 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
Merck Sharp & Dohme LLC $169.36 11/06/2024 Travel and Lodging Undisputed 01/23/2026 1141562757 CMS
Merck Sharp & Dohme LLC $489.11 11/06/2024 Travel and Lodging Undisputed 01/23/2026 1141562761 CMS
Merck Sharp & Dohme LLC $269.00 11/06/2024 Travel and Lodging Undisputed 01/23/2026 1141823801 CMS
Merck Sharp & Dohme LLC $169.36 11/07/2024 Travel and Lodging Undisputed 01/23/2026 1141562759 CMS
Merck Sharp & Dohme LLC $65.00 11/07/2024 Food and Beverage Undisputed 01/23/2026 1141562763 CMS
Merck Sharp & Dohme LLC $61.69 11/07/2024 Food and Beverage Undisputed 01/23/2026 1141562765 CMS
Merck Sharp & Dohme LLC $54.97 11/07/2024 Food and Beverage Undisputed 01/23/2026 1141823909 CMS
VERTEX PHARMACEUTICALS INCORPORATED $19.14 01/31/2024 Food and Beverage Undisputed 01/23/2026 1105908683 CMS
VERTEX PHARMACEUTICALS INCORPORATED $23.07 06/13/2024 Food and Beverage Undisputed 01/23/2026 1105912196 CMS
VERTEX PHARMACEUTICALS INCORPORATED $36.11 06/13/2024 Food and Beverage Undisputed 01/23/2026 1105920425 CMS
VERTEX PHARMACEUTICALS INCORPORATED $8.00 09/16/2024 Food and Beverage Undisputed 01/23/2026 1105906539 CMS
VERTEX PHARMACEUTICALS INCORPORATED $35.80 09/16/2024 Food and Beverage Undisputed 01/23/2026 1105912198 CMS
VERTEX PHARMACEUTICALS INCORPORATED $24.60 09/16/2024 Food and Beverage Undisputed 01/23/2026 1105914204 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, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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