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

AJAY KUMAR TOPPUR RAMANAKUMAR

Allopathic & Osteopathic Physicians Internal Medicine

NPI
1659539153
CMS profile
75325
Location
STOCKTON, CA

General Payments · PY2018–2024

$3,972.31

  • Reported across 113 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,596.80

18 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 $1,390.27 6
Food and Beverage $206.53 12

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $246.26 25
PY2019 $968.42 21
PY2020 $57.83 4
PY2021 $189.56 10
PY2022 $408.87 15
PY2023 $504.57 20
PY2024 $1,596.80 18

Payment records · PY2024 (18)

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
Actelion Pharmaceuticals US, Inc. $13.75 11/05/2024 Food and Beverage Undisputed 01/23/2026 1078872680 CMS
Amgen Inc. $13.52 03/13/2024 Food and Beverage Undisputed 01/23/2026 1111726245 CMS
E.R. Squibb & Sons, L.L.C. $13.53 02/08/2024 Food and Beverage Undisputed 01/23/2026 1101736907 CMS
E.R. Squibb & Sons, L.L.C. $16.60 08/22/2024 Food and Beverage Undisputed 01/23/2026 1101736969 CMS
E.R. Squibb & Sons, L.L.C. $15.28 09/10/2024 Food and Beverage Undisputed 01/23/2026 1101737017 CMS
E.R. Squibb & Sons, L.L.C. $16.06 10/09/2024 Food and Beverage Undisputed 01/23/2026 1101737020 CMS
E.R. Squibb & Sons, L.L.C. $18.88 12/03/2024 Food and Beverage Undisputed 01/23/2026 1101737112 CMS
Lexicon Pharmaceuticals, Inc. $17.53 05/06/2024 Food and Beverage Undisputed 01/23/2026 1081733987 CMS
Medtronic, Inc. $586.68 01/10/2024 Travel and Lodging Undisputed 01/23/2026 1119420555 CMS
Medtronic, Inc. $45.28 02/16/2024 Travel and Lodging Undisputed 01/23/2026 1119420557 CMS
Medtronic, Inc. $269.00 02/16/2024 Travel and Lodging Undisputed 01/23/2026 1119420561 CMS
Medtronic, Inc. $37.85 02/16/2024 Travel and Lodging Undisputed 01/23/2026 1119420563 CMS
Medtronic, Inc. $75.00 02/17/2024 Travel and Lodging Undisputed 01/23/2026 1119420559 CMS
Medtronic, Inc. $376.46 12/21/2024 Travel and Lodging Undisputed 01/23/2026 1119420565 CMS
Merck Sharp & Dohme LLC $14.37 02/13/2024 Food and Beverage Undisputed 01/23/2026 1141705646 CMS
Merck Sharp & Dohme LLC $29.91 05/02/2024 Food and Beverage Undisputed 01/23/2026 1141705462 CMS
PFIZER INC. $18.86 05/23/2024 Food and Beverage Undisputed 01/23/2026 1131600317 CMS
PFIZER INC. $18.24 07/23/2024 Food and Beverage Undisputed 01/23/2026 1131753666 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

One page per canonical provider; split Profile_IDs are merged via Associated_Covered_Recipient_Profile_ID_1/_2 from the Covered Recipient Profile Supplement.

Corrections to the substance of a record route to CMS through its review-and-dispute process; errors in how this site mirrors or displays a record route to us. Both paths are described in Methodology & Data.