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

SHEKHAR K CHALLA

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1144291733
CMS profile
481456
Location
TOPEKA, KS

General Payments · PY2018–2024

$5,007.35

  • Reported across 143 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$528.01

30 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 $528.01 30

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $501.41 25
PY2019 $175.65 8
PY2020 $42.13 3
PY2021 $2,231.15 17
PY2022 $1,021.96 28
PY2023 $507.04 32
PY2024 $528.01 30

Payment records · PY2024 (30)

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. $18.88 07/24/2024 Food and Beverage Undisputed 01/23/2026 1103435958 CMS
Alnylam Pharmaceuticals Inc. $18.08 08/28/2024 Food and Beverage Undisputed 01/23/2026 1125827873 CMS
Amgen Inc. $13.78 10/09/2024 Food and Beverage Undisputed 01/23/2026 1117523751 CMS
Ardelyx, Inc. $15.88 09/11/2024 Food and Beverage Undisputed 01/23/2026 1146674388 CMS
Echosens North America, Inc. $35.01 10/27/2024 Food and Beverage Undisputed 01/23/2026 1154983014 CMS
Gilead Sciences, Inc. $18.78 01/31/2024 Food and Beverage Undisputed 01/23/2026 1133784535 CMS
Intercept Pharmaceuticals, Inc. $14.60 01/26/2024 Food and Beverage Undisputed 01/23/2026 1113642743 CMS
Ipsen Biopharmaceuticals, Inc $19.48 09/04/2024 Food and Beverage Undisputed 01/23/2026 1091987329 CMS
Janssen Biotech, Inc. $19.93 01/24/2024 Food and Beverage Undisputed 01/23/2026 1078640367 CMS
Janssen Biotech, Inc. $26.36 07/31/2024 Food and Beverage Undisputed 01/23/2026 1078640352 CMS
Madrigal Pharmaceuticals $13.85 09/13/2024 Food and Beverage Undisputed 01/23/2026 1144162997 CMS
Mauna Kea Technologies, Inc. $19.70 03/14/2024 Food and Beverage Undisputed 01/23/2026 1151448229 CMS
Merck Sharp & Dohme LLC $16.97 08/02/2024 Food and Beverage Undisputed 01/23/2026 1141904792 CMS
PFIZER INC. $21.02 02/13/2024 Food and Beverage Undisputed 01/23/2026 1131184101 CMS
PFIZER INC. $16.17 04/05/2024 Food and Beverage Undisputed 01/23/2026 1131392282 CMS
PFIZER INC. $14.74 06/11/2024 Food and Beverage Undisputed 01/23/2026 1131603794 CMS
PFIZER INC. $12.21 08/20/2024 Food and Beverage Undisputed 01/23/2026 1131882850 CMS
PFIZER INC. $10.90 10/18/2024 Food and Beverage Undisputed 01/23/2026 1130882498 CMS
PFIZER INC. $8.90 10/29/2024 Food and Beverage Undisputed 01/23/2026 1132088457 CMS
PFIZER INC. $9.36 12/18/2024 Food and Beverage Undisputed 01/23/2026 1131430755 CMS
Phathom Pharmaceuticals, Inc. $14.77 03/01/2024 Food and Beverage Undisputed 01/23/2026 1151047430 CMS
QOL Medical, LLC $21.04 04/25/2024 Food and Beverage Undisputed 01/23/2026 1147714753 CMS
Regeneron Healthcare Solutions, Inc. $20.26 09/20/2024 Food and Beverage Undisputed 01/23/2026 1114021104 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $15.88 03/07/2024 Food and Beverage Undisputed 01/23/2026 1153603671 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $17.03 07/31/2024 Food and Beverage Undisputed 01/23/2026 1153516364 CMS
Takeda Pharmaceuticals U.S.A., Inc. $16.92 05/01/2024 Food and Beverage Undisputed 01/23/2026 1137506246 CMS
Takeda Pharmaceuticals U.S.A., Inc. $17.33 06/07/2024 Food and Beverage Undisputed 01/23/2026 1137506250 CMS
Takeda Pharmaceuticals U.S.A., Inc. $21.14 07/26/2024 Food and Beverage Undisputed 01/23/2026 1137506254 CMS
Takeda Pharmaceuticals U.S.A., Inc. $16.75 09/18/2024 Food and Beverage Undisputed 01/23/2026 1137506258 CMS
Takeda Pharmaceuticals U.S.A., Inc. $22.29 09/25/2024 Food and Beverage Undisputed 01/23/2026 1137506261 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.