Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · CMS publication 2026-06-30 View official record

Covered recipient · General Payments record

CHAUDHARY M KHAN

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1649252461
CMS profile
165491
Location
O FALLON, MO

A name match is not confirmation of identity. CMS publishes records for different people under similar names; the NPI, specialty, and location shown on this page are the CMS-published fields that distinguish them.

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General Payments · PY2020 · Entire year

$1,053.71

64 records · 0 disputed

Summary and payment records

  • CMS publication 2026-06-30
Read the payment records

“Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.”

— Centers for Medicare & Medicaid Services, Open Payments

A reported payment reflects a financial relationship a company disclosed. It does not indicate wrongdoing or a conflict of interest, and it says nothing about the quality of a provider's care.

These records are submitted to CMS and attested to by the reporting companies. CMS publishes them as reported; this site mirrors them without independent verification.

A payment attributed to a provider may have been made to a third party — a hospital, practice, or research institution — rather than paid to the provider personally.

How these totals are calculated
  • This total is the sum of the individual General Payments record amounts CMS published for the labeled program year(s); each record amount is used unmodified. The total itself is computed by this site. 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.
  • Methodology & Data — sourcing, labeling, and limitations.

Provider summaries generated . CMS updates this data on an annual cycle, and corrections or successful disputes made at CMS may not yet appear here. The official CMS record is authoritative for the current state. View the official CMS record ↗

By nature of payment

PY2020 · entire year · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $954.71 63
Education $99.00 1

By paying entity

PY2020 · entire year · sorted by reported total

Page 1 of 2; records 1–50 of 64 matching records. This page contains 50 records (maximum 50), not the full filtered export. Use the CSV download for all matching records.

IndustryPayments · General Payments

CHAUDHARY M KHAN

NPI 1649252461 · CMS profile ID 165491

Allopathic & Osteopathic Physicians / Internal Medicine / Gastroenterology

O FALLON, MO

A name match is not confirmation of identity. CMS publishes records for different people under similar names; the NPI, specialty, and location shown on this page are the CMS-published fields that distinguish them.

A payment attributed to a provider may have been made to a third party — a hospital, practice, or research institution — rather than paid to the provider personally.

General Payments, PY2020; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types

Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00

Page 1 of 2; records 1–50 of 64 matching records. This page contains 50 records (maximum 50), not the full filtered export.

Filtered page: https://industrypayments.org/provider/npi-1649252461?year=2020&recipient=provider#records-h

CMS source: https://openpaymentsdata.cms.gov/dataset/a08c4b30-5cf3-4948-ad40-36f404619019

Cite these filtered records

The citation includes this program year, filters, data edition, and page of results.

Plain
CHAUDHARY M KHAN, NPI 1649252461, CMS profile ID 165491. General Payments, PY2020; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types. Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00. Page 1 of 2; records 1–50 of 64 matching records. This page contains 50 records (maximum 50), not the full filtered export. IndustryPayments. https://industrypayments.org/provider/npi-1649252461?year=2020&recipient=provider#records-h. Source: https://openpaymentsdata.cms.gov/dataset/a08c4b30-5cf3-4948-ad40-36f404619019.
APA 7
IndustryPayments. (2026). CHAUDHARY M KHAN, NPI 1649252461, CMS profile ID 165491. General Payments, PY2020; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types. Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00. Page 1 of 2; records 1–50 of 64 matching records. This page contains 50 records (maximum 50), not the full filtered export. [Filtered data set page]. https://industrypayments.org/provider/npi-1649252461?year=2020&recipient=provider#records-h. Source: https://openpaymentsdata.cms.gov/dataset/a08c4b30-5cf3-4948-ad40-36f404619019.
Bluebook
CHAUDHARY M KHAN, NPI 1649252461, CMS profile ID 165491, IndustryPayments, General Payments, PY2020; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types (Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00). Page 1 of 2; records 1–50 of 64 matching records. This page contains 50 records (maximum 50), not the full filtered export. Source: https://openpaymentsdata.cms.gov/dataset/a08c4b30-5cf3-4948-ad40-36f404619019. https://industrypayments.org/provider/npi-1649252461?year=2020&recipient=provider#records-h.

Centers for Medicare & Medicaid Services, Open Payments

Citation formats are provided for reference; check the requirements of your publication.

Payment records · PY2020

Ordering applied by this site (date, newest first, then paying entity) · record values are shown as CMS published them

General Payments · PY2020 · Physicians and non-physician practitioners · CMS publication 2026-06-30

64 matching records · $1,053.71 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 64 matching records (CSV)

CSV includes CMS record IDs, source and publication dates, the data edition, and a link to these filters. Formula-like text cells are prefixed with an apostrophe for spreadsheet safety.

Showing records 1–50 of 64.

Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
AbbVie Inc. $15.4412/23/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 721937953 CMS
AbbVie Inc. $14.4712/09/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 721937945 CMS
AbbVie Inc. $19.1412/09/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 721937949 CMS
Takeda Pharmaceuticals U.S.A., Inc. $13.1012/02/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 747231449 CMS
Merck Sharp & Dohme Corporation $14.9911/24/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 747815477 CMS
IRONWOOD PHARMACEUTICALS, INC $13.8211/18/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 749796585 CMS
AbbVie Inc. $5.0011/17/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 721937941 CMS
Janssen Biotech, Inc. $99.0011/16/2020 Education No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 719077691 CMS
Janssen Biotech, Inc. $13.3311/11/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 719077693 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $18.1911/11/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 737553643 CMS
Romark Laboratories, LC $17.6211/10/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 749990627 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $16.9311/04/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 737553641 CMS
AbbVie Inc. $16.3310/28/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 721937937 CMS
AbbVie Inc. $10.0010/27/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 721937933 CMS
AbbVie Inc. $19.5810/21/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 721937929 CMS
Merck Sharp & Dohme Corporation $11.0010/19/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 747780919 CMS
Gilead Sciences, Inc. $14.6710/14/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 747979465 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $12.8410/14/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 737553639 CMS
Romark Laboratories, LC $20.2509/29/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 749990625 CMS
Janssen Biotech, Inc. $10.3209/23/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 719077689 CMS
AbbVie Inc. $16.2009/10/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 721937925 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $12.8109/10/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 737553635 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $9.6309/10/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 737553637 CMS
Merck Sharp & Dohme Corporation $16.5009/02/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 747766569 CMS
PFIZER INC. $15.2109/02/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 743382429 CMS
AbbVie Inc. $20.4808/19/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 721937921 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $15.9208/05/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 737553633 CMS
Merck Sharp & Dohme Corporation $15.6408/04/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 747773955 CMS
AbbVie Inc. $19.7607/29/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 721937917 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $20.0307/22/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 737553631 CMS
IRONWOOD PHARMACEUTICALS, INC $14.8007/16/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 749811177 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $15.6507/15/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 737553629 CMS
Merck Sharp & Dohme Corporation $16.7907/08/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 747741649 CMS
AbbVie Inc. $17.6106/25/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 721937913 CMS
RedHill Biopharma Inc. $15.0906/17/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 730047497 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $17.5806/16/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 737553627 CMS
IRONWOOD PHARMACEUTICALS, INC $19.9705/27/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 749821039 CMS
Janssen Biotech, Inc. $15.5805/21/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 719077687 CMS
AbbVie Inc. $16.2205/13/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 721937909 CMS
Romark Laboratories, LC $18.1505/11/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 749990623 CMS
PFIZER INC. $19.8705/05/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 743197799 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $19.0705/04/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 737553625 CMS
RedHill Biopharma Inc. $17.6504/30/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 730047499 CMS
AbbVie Inc. $13.1104/28/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 721937905 CMS
IRONWOOD PHARMACEUTICALS, INC $19.6504/21/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 749829033 CMS
Janssen Biotech, Inc. $7.1704/01/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 719077685 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $23.3203/25/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 737553623 CMS
Romark Laboratories, LC $20.2403/23/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 749990621 CMS
Janssen Biotech, Inc. $10.6803/12/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 719077683 CMS
PFIZER INC. $14.4603/10/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 743145935 CMS

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $1,010.81 67
PY2020 $1,053.71 64
PY2021 $1,081.45 71
PY2022 $1,233.27 63
PY2023 $1,368.36 59
PY2024 $1,561.37 63
PY2025 $373.22 13

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-06-30
Program years on this page
2019, 2020, 2021, 2022, 2023, 2024, 2025
Source files and profile matching
Generated from
OP_DTL_GNRL_PGYR2025_P06302026_06032026.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.