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

CHARAN SINGH

Allopathic & Osteopathic Physicians Psychiatry & Neurology Neurology

NPI
1821046319
CMS profile
354773
Location
FREMONT, CA

General Payments · PY2018–2024

$3,643.35

  • Reported across 185 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$273.46

9 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
Food and Beverage $273.46 9

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
PolyNovo North America LLC $78.72 1
Alexion Pharmaceuticals, Inc. $47.88 2
ABBVIE INC. $42.70 2
UCB, Inc. $31.48 1
Merck Sharp & Dohme Corporation $27.86 1
Janssen Pharmaceuticals, Inc $26.25 1
PFIZER INC. $18.57 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $736.50 27
PY2019 $471.51 37
PY2020 $759.99 38
PY2021 $399.81 28
PY2022 $669.00 33
PY2023 $333.08 13
PY2024 $273.46 9

Payment records · PY2024 (9)

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
ABBVIE INC. $23.13 02/22/2024 Food and Beverage Undisputed 01/23/2026 1106109276 CMS
ABBVIE INC. $19.57 11/05/2024 Food and Beverage Undisputed 01/23/2026 1106109278 CMS
Alexion Pharmaceuticals, Inc. $25.70 01/09/2024 Food and Beverage Undisputed 01/23/2026 1093969475 CMS
Alexion Pharmaceuticals, Inc. $22.18 09/18/2024 Food and Beverage Undisputed 01/23/2026 1093911325 CMS
Janssen Pharmaceuticals, Inc $26.25 04/23/2024 Food and Beverage Undisputed 01/23/2026 1077924119 CMS
Merck Sharp & Dohme LLC $27.86 08/22/2024 Food and Beverage Undisputed 01/23/2026 1141621787 CMS
PFIZER INC. $18.57 04/01/2024 Food and Beverage Undisputed 01/23/2026 1131327033 CMS
PolyNovo North America LLC $78.72 08/14/2024 Food and Beverage Undisputed 01/23/2026 1148185706 CMS
UCB, Inc. $31.48 07/10/2024 Food and Beverage Undisputed 01/23/2026 1143096755 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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