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

NIRAJ K AJMERE

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1558309856
CMS profile
297508
Location
LISLE, IL

General Payments · PY2019–2023

$573.75

  • Reported across 31 records
  • CMS publication 2026-01-23

Latest program year · PY2023

$471.29

24 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

PY2023 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $471.29 24

By paying entity

PY2023 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $25.83 2
PY2020 $13.69 1
PY2022 $62.94 4
PY2023 $471.29 24

Payment records · PY2023 (24)

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

Program year 2023 201920202022 Record-level detail is published for PY2023; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
AbbVie Inc. $28.95 03/21/2023 Food and Beverage Undisputed 01/23/2026 996104935 CMS
AbbVie Inc. $21.37 08/12/2023 Food and Beverage Undisputed 01/23/2026 996104937 CMS
Celgene Corporation $5.89 03/23/2023 Food and Beverage Undisputed 01/23/2026 1015581555 CMS
Celgene Corporation $5.52 05/15/2023 Food and Beverage Undisputed 01/23/2026 1015581575 CMS
Celgene Corporation $13.16 05/16/2023 Food and Beverage Undisputed 01/23/2026 1015581571 CMS
Celgene Corporation $13.56 06/07/2023 Food and Beverage Undisputed 01/23/2026 1015581599 CMS
Celgene Corporation $17.13 06/13/2023 Food and Beverage Undisputed 01/23/2026 1015581843 CMS
Celgene Corporation $15.71 06/14/2023 Food and Beverage Undisputed 01/23/2026 1015581835 CMS
Celgene Corporation $15.65 06/20/2023 Food and Beverage Undisputed 01/23/2026 1015581855 CMS
Celgene Corporation $19.95 07/05/2023 Food and Beverage Undisputed 01/23/2026 1015581863 CMS
Celgene Corporation $15.74 07/10/2023 Food and Beverage Undisputed 01/23/2026 1015581871 CMS
Celgene Corporation $11.99 07/25/2023 Food and Beverage Undisputed 01/23/2026 1015581875 CMS
Celgene Corporation $7.09 07/26/2023 Food and Beverage Undisputed 01/23/2026 1015581879 CMS
Celgene Corporation $14.30 08/07/2023 Food and Beverage Undisputed 01/23/2026 1015581899 CMS
Celgene Corporation $9.19 08/14/2023 Food and Beverage Undisputed 01/23/2026 1015581895 CMS
Celgene Corporation $14.53 10/31/2023 Food and Beverage Undisputed 01/23/2026 1015581959 CMS
Celgene Corporation $6.20 12/15/2023 Food and Beverage Undisputed 01/23/2026 1015582023 CMS
E.R. Squibb & Sons, L.L.C. $119.03 05/18/2023 Food and Beverage Undisputed 01/23/2026 1015581603 CMS
Merck Sharp & Dohme LLC $23.42 01/11/2023 Food and Beverage Undisputed 01/23/2026 1048488705 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $21.83 05/22/2023 Food and Beverage Undisputed 01/23/2026 1057363269 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $18.17 06/12/2023 Food and Beverage Undisputed 01/23/2026 1057251085 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $18.47 08/22/2023 Food and Beverage Undisputed 01/23/2026 1057231869 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $16.78 09/06/2023 Food and Beverage Undisputed 01/23/2026 1057491075 CMS
Sandoz Inc. $17.66 09/07/2023 Food and Beverage Undisputed 01/23/2026 1028927331 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
2019, 2020, 2022, 2023
Source files
Dataset page · Bulk file · PY2019 , PY2020 , PY2022 , PY2023
Generated from
OP_DTL_GNRL_PGYR2023_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.