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

KENNETH A KNOWLES

Allopathic & Osteopathic Physicians Internal Medicine Nephrology

NPI
1811958564
CMS profile
82394
Location
PHILADELPHIA, PA

General Payments · PY2018–2024

$8,993.07

  • Reported across 319 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,036.17

33 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 $1,036.17 33

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,490.27 58
PY2019 $1,352.34 54
PY2020 $995.87 38
PY2021 $1,247.02 44
PY2022 $1,626.95 59
PY2023 $1,244.45 33
PY2024 $1,036.17 33

Payment records · PY2024 (33)

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. $125.00 11/19/2024 Food and Beverage Undisputed 01/23/2026 1104089266 CMS
AKEBIA THERAPEUTICS INC $19.57 04/07/2024 Food and Beverage Undisputed 01/23/2026 1145826475 CMS
Alexion Pharmaceuticals, Inc. $103.89 06/03/2024 Food and Beverage Undisputed 01/23/2026 1093901555 CMS
Amgen Inc. $21.07 01/15/2024 Food and Beverage Undisputed 01/23/2026 1117299401 CMS
Amgen Inc. $15.30 09/09/2024 Food and Beverage Undisputed 01/23/2026 1111621826 CMS
Amgen Inc. $27.28 12/12/2024 Food and Beverage Undisputed 01/23/2026 1117299399 CMS
ANI Pharmaceuticals, Inc. $26.15 01/29/2024 Food and Beverage Undisputed 01/23/2026 1091157290 CMS
ANI Pharmaceuticals, Inc. $25.23 03/31/2024 Food and Beverage Undisputed 01/23/2026 1091173558 CMS
ANI Pharmaceuticals, Inc. $24.32 09/11/2024 Food and Beverage Undisputed 01/23/2026 1091142746 CMS
Ardelyx, Inc. $20.23 06/12/2024 Food and Beverage Undisputed 01/23/2026 1146689856 CMS
AstraZeneca Pharmaceuticals LP $25.98 07/10/2024 Food and Beverage Undisputed 01/23/2026 1105469999 CMS
Bayer Healthcare Pharmaceuticals Inc. $24.10 03/15/2024 Food and Beverage Undisputed 01/23/2026 1086232990 CMS
Bayer Healthcare Pharmaceuticals Inc. $23.60 04/17/2024 Food and Beverage Undisputed 01/23/2026 1086198640 CMS
Bayer Healthcare Pharmaceuticals Inc. $22.60 06/24/2024 Food and Beverage Undisputed 01/23/2026 1086204469 CMS
Bayer Healthcare Pharmaceuticals Inc. $34.58 09/12/2024 Food and Beverage Undisputed 01/23/2026 1086199240 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $26.61 03/11/2024 Food and Beverage Undisputed 01/23/2026 1118165694 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $23.70 04/29/2024 Food and Beverage Undisputed 01/23/2026 1118165692 CMS
CALLIDITAS THERAPEUTICS US INC. $104.82 11/21/2024 Food and Beverage Undisputed 01/23/2026 1141527878 CMS
Mallinckrodt Hospital Products Inc. $36.65 11/21/2024 Food and Beverage Undisputed 01/23/2026 1145094476 CMS
Novartis Pharmaceuticals Corporation $25.78 02/12/2024 Food and Beverage Undisputed 01/23/2026 1087127058 CMS
Novartis Pharmaceuticals Corporation $24.45 10/07/2024 Food and Beverage Undisputed 01/23/2026 1087127076 CMS
OPKO Pharmaceuticals, LLC $20.52 02/20/2024 Food and Beverage Undisputed 01/23/2026 1112846264 CMS
OPKO Pharmaceuticals, LLC $21.67 03/05/2024 Food and Beverage Undisputed 01/23/2026 1112846266 CMS
Otsuka America Pharmaceutical, Inc. $16.18 02/07/2024 Food and Beverage Undisputed 01/23/2026 1118923429 CMS
Otsuka America Pharmaceutical, Inc. $16.56 08/15/2024 Food and Beverage Undisputed 01/23/2026 1118923431 CMS
Otsuka America Pharmaceutical, Inc. $14.11 09/23/2024 Food and Beverage Undisputed 01/23/2026 1118923433 CMS
Travere Therapeutics, Inc. $35.21 06/03/2024 Food and Beverage Undisputed 01/23/2026 1149945635 CMS
Travere Therapeutics, Inc. $32.84 10/21/2024 Food and Beverage Undisputed 01/23/2026 1149945631 CMS
Ultragenyx Pharmaceutical Inc. $21.05 02/15/2024 Food and Beverage Undisputed 01/23/2026 1153281324 CMS
Ultragenyx Pharmaceutical Inc. $21.05 02/15/2024 Food and Beverage Undisputed 01/23/2026 1153286824 CMS
Vifor Pharma, Inc. $22.13 07/18/2024 Food and Beverage Undisputed 01/23/2026 1124049684 CMS
Vifor Pharma, Inc. $14.54 07/29/2024 Food and Beverage Undisputed 01/23/2026 1124055218 CMS
Vifor Pharma, Inc. $19.40 12/19/2024 Food and Beverage Undisputed 01/23/2026 1124063477 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

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