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

RIZWAN H KHAN

Allopathic & Osteopathic Physicians Allergy & Immunology

NPI
1700864881
CMS profile
554085
Location
ITHACA, NY

General Payments · PY2018–2024

$3,578.33

  • Reported across 181 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$395.05

17 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 $395.05 17

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Acerta Pharma LLC $112.15 7
Amgen Inc. $104.68 4
NOVARTIS PHARMACEUTICALS CORPORATION $94.14 2
GlaxoSmithKline, LLC. $49.63 2
GENZYME CORPORATION $34.45 2

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,069.78 55
PY2019 $1,284.07 62
PY2020 $282.10 18
PY2021 $194.10 10
PY2022 $180.29 10
PY2023 $172.94 9
PY2024 $395.05 17

Payment records · PY2024 (17)

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
Amgen Inc. $22.68 04/17/2024 Food and Beverage Undisputed 01/23/2026 1115806900 CMS
Amgen Inc. $22.41 07/23/2024 Food and Beverage Undisputed 01/23/2026 1115806909 CMS
Amgen Inc. $31.51 08/21/2024 Food and Beverage Undisputed 01/23/2026 1115806917 CMS
Amgen Inc. $28.08 11/12/2024 Food and Beverage Undisputed 01/23/2026 1115806925 CMS
AstraZeneca Pharmaceuticals LP $14.80 02/02/2024 Food and Beverage Undisputed 01/23/2026 1105637682 CMS
AstraZeneca Pharmaceuticals LP $18.95 05/02/2024 Food and Beverage Undisputed 01/23/2026 1105638272 CMS
AstraZeneca Pharmaceuticals LP $14.74 06/21/2024 Food and Beverage Undisputed 01/23/2026 1105723047 CMS
AstraZeneca Pharmaceuticals LP $15.65 07/24/2024 Food and Beverage Undisputed 01/23/2026 1105565814 CMS
AstraZeneca Pharmaceuticals LP $15.78 08/23/2024 Food and Beverage Undisputed 01/23/2026 1105454011 CMS
AstraZeneca Pharmaceuticals LP $16.87 11/13/2024 Food and Beverage Undisputed 01/23/2026 1105278670 CMS
AstraZeneca Pharmaceuticals LP $15.36 11/21/2024 Food and Beverage Undisputed 01/23/2026 1104300530 CMS
GENZYME CORPORATION $13.11 02/05/2024 Food and Beverage Undisputed 01/23/2026 1139688736 CMS
GENZYME CORPORATION $21.34 03/06/2024 Food and Beverage Undisputed 01/23/2026 1139688742 CMS
GlaxoSmithKline, LLC. $24.80 03/08/2024 Food and Beverage Undisputed 01/23/2026 1116109358 CMS
GlaxoSmithKline, LLC. $24.83 09/26/2024 Food and Beverage Undisputed 01/23/2026 1115984300 CMS
Novartis Pharmaceuticals Corporation $28.74 06/10/2024 Food and Beverage Undisputed 01/23/2026 1087143994 CMS
Novartis Pharmaceuticals Corporation $65.40 10/26/2024 Food and Beverage Undisputed 01/23/2026 1087144002 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.