Vifor (International) Ltd.

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

Centers for Medicare & Medicaid Services, Open Payments

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.

Figures reflect General Payments this manufacturer or GPO reported to CMS. Research and Ownership/Investment payments are separate datasets and are not included here.

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.

Page 1 of 2; records 1–50 of 52 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

Vifor (International) Ltd.

CMS reporting company ID 100000081386

General Payments, PY2022; Recipient scope: All recipient types; 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 52 matching records. This page contains 50 records (maximum 50), not the full filtered export.

Filtered page: https://industrypayments.org/company/100000081386?year=2022&recipient=all#records-h

CMS source: https://openpaymentsdata.cms.gov/dataset/df01c2f8-dc1f-4e79-96cb-8208beaf143c

Cite these filtered records

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

Plain
Vifor (International) Ltd., CMS reporting company ID 100000081386. General Payments, PY2022; Recipient scope: All recipient types; 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 52 matching records. This page contains 50 records (maximum 50), not the full filtered export. IndustryPayments. https://industrypayments.org/company/100000081386?year=2022&recipient=all#records-h. Source: https://openpaymentsdata.cms.gov/dataset/df01c2f8-dc1f-4e79-96cb-8208beaf143c.
APA 7
IndustryPayments. (2026). Vifor (International) Ltd., CMS reporting company ID 100000081386. General Payments, PY2022; Recipient scope: All recipient types; 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 52 matching records. This page contains 50 records (maximum 50), not the full filtered export. [Filtered data set page]. https://industrypayments.org/company/100000081386?year=2022&recipient=all#records-h. Source: https://openpaymentsdata.cms.gov/dataset/df01c2f8-dc1f-4e79-96cb-8208beaf143c.
Bluebook
Vifor (International) Ltd., CMS reporting company ID 100000081386, IndustryPayments, General Payments, PY2022; Recipient scope: All recipient types; 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 52 matching records. This page contains 50 records (maximum 50), not the full filtered export. Source: https://openpaymentsdata.cms.gov/dataset/df01c2f8-dc1f-4e79-96cb-8208beaf143c. https://industrypayments.org/company/100000081386?year=2022&recipient=all#records-h.

Centers for Medicare & Medicaid Services, Open Payments

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

Payment records · PY2022

Date, newest first, then reporting company; values as published by CMS.

General Payments · PY2022 · All recipient types · CMS publication 2026-06-30

52 matching records · $249,639.21 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 52 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 52.

Recipient Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
CHERYL L ALSTON
Physician / non-physician practitioner
Vifor (International) Ltd. $1,808.3012/19/2022 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960726015 CMS
CHERYL L ALSTON
Physician / non-physician practitioner
Vifor (International) Ltd. $309.1912/19/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960726033 CMS
GERSHWIN T BLYDEN
Physician / non-physician practitioner
Vifor (International) Ltd. $309.1912/19/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960726115 CMS
GERSHWIN T BLYDEN
Physician / non-physician practitioner
Vifor (International) Ltd. $2,100.6112/19/2022 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960726131 CMS
VICTOR R GORDEUK
Physician / non-physician practitioner
Vifor (International) Ltd. $42.5012/19/2022 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960761991 CMS
VICTOR R GORDEUK
Physician / non-physician practitioner
Vifor (International) Ltd. $309.1912/19/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960761997 CMS
STEPHEN JOHN GREENE
Physician / non-physician practitioner
Vifor (International) Ltd. $3,150.0012/19/2022 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960762075 CMS
STEPHEN JOHN GREENE
Physician / non-physician practitioner
Vifor (International) Ltd. $106.9912/19/2022 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960762103 CMS
JAMES G TAYLOR
Physician / non-physician practitioner
Vifor (International) Ltd. $309.1912/19/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 963979745 CMS
JAMES G TAYLOR
Physician / non-physician practitioner
Vifor (International) Ltd. $2,299.9712/19/2022 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 963985703 CMS
KAMYAR ZADEH KALANTAR
Physician / non-physician practitioner
Vifor (International) Ltd. $2,200.0011/04/2022 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960762193 CMS
MALCOLM G MUNRO
Physician / non-physician practitioner
Vifor (International) Ltd. $2,000.0009/26/2022 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 961081717 CMS
MALCOLM G MUNRO
Physician / non-physician practitioner
Vifor (International) Ltd. $5,624.8209/26/2022 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 961081947 CMS
OSWALDO CASTRO
Physician / non-physician practitioner
Vifor (International) Ltd. $4,650.0009/19/2022 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960726175 CMS
OSWALDO CASTRO
Physician / non-physician practitioner
Vifor (International) Ltd. $66.2609/19/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960726181 CMS
OSWALDO CASTRO
Physician / non-physician practitioner
Vifor (International) Ltd. $64.8009/19/2022 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960726183 CMS
JOHN C WOOD
Physician / non-physician practitioner
Vifor Fresenius Medical Care Renal Pharma Ltd. $3,200.0009/19/2022 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 961070111 CMS
JOHN C WOOD
Physician / non-physician practitioner
Vifor Fresenius Medical Care Renal Pharma Ltd. $28.0009/19/2022 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 961071361 CMS
TOMAS GANZ
Physician / non-physician practitioner
Vifor (International) Ltd. $3,200.0009/05/2022 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960750913 CMS
JULIE A KANTER
Physician / non-physician practitioner
Vifor (International) Ltd. $3,200.0009/05/2022 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960762219 CMS
JAVED BUTLER
Physician / non-physician practitioner
Vifor (International) Ltd. $1,600.0008/26/2022 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960706637 CMS
JAVED BUTLER
Physician / non-physician practitioner
Vifor (International) Ltd. $102.2608/26/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960706661 CMS
JAVED BUTLER
Physician / non-physician practitioner
Vifor (International) Ltd. $2,700.0008/15/2022 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960706115 CMS
BIYKEM BOZKURT
Physician / non-physician practitioner
Vifor (International) Ltd. $1,800.0008/15/2022 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960706669 CMS
Saint Lukes Hospital Of Kansas City
Teaching hospital
Vifor (International) Ltd. $8,937.5008/15/2022 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 961072795 CMS
NIHAR DESAI
Physician / non-physician practitioner
Vifor (International) Ltd. $1,800.0008/15/2022 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 961085333 CMS
STEPHEN JOHN GREENE
Physician / non-physician practitioner
Vifor (International) Ltd. $4,725.0008/08/2022 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960762063 CMS
MICHAEL NASSIF
Physician / non-physician practitioner
Vifor (International) Ltd. $1,350.0008/08/2022 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960783251 CMS
JAVED BUTLER
Physician / non-physician practitioner
Vifor (International) Ltd. $2,000.0007/26/2022 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960706121 CMS
MATTHEW R WEIR
Physician / non-physician practitioner
Vifor (International) Ltd. $2,000.0007/26/2022 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960858623 CMS
JAVED BUTLER
Physician / non-physician practitioner
Vifor (International) Ltd. $117.0906/29/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960706653 CMS
JAVED BUTLER
Physician / non-physician practitioner
Vifor (International) Ltd. $36.8106/28/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960706647 CMS
JAVED BUTLER
Physician / non-physician practitioner
Vifor (International) Ltd. $10,041.8206/28/2022 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 961076035 CMS
MATTHEW R WEIR
Physician / non-physician practitioner
Vifor (International) Ltd. $1,600.0006/17/2022 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960865999 CMS
MALCOLM G MUNRO
Physician / non-physician practitioner
Vifor (International) Ltd. $43.9005/19/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 961081991 CMS
JOHN C WOOD
Physician / non-physician practitioner
Vifor Fresenius Medical Care Renal Pharma Ltd. $86.6005/19/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 961071385 CMS
ARYEH SHANDER
Physician / non-physician practitioner
Vifor (International) Ltd. $57.6004/29/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 961085895 CMS
BERTRAM PITT
Physician / non-physician practitioner
Vifor (International) Ltd. $50,000.0004/25/2022 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 963866635 CMS
JAVED BUTLER
Physician / non-physician practitioner
Vifor (International) Ltd. $1,800.0004/14/2022 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960705625 CMS
MATTHEW R WEIR
Physician / non-physician practitioner
Vifor (International) Ltd. $101.2304/07/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960877809 CMS
JAVED BUTLER
Physician / non-physician practitioner
Vifor (International) Ltd. $130.3903/30/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 961074321 CMS
Ohsu Hospital And Clinics
Teaching hospital
Vifor (International) Ltd. $1,000.0003/28/2022 Grant No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 963979731 CMS
JAVED BUTLER
Physician / non-physician practitioner
Vifor (International) Ltd. $91,000.0002/28/2022 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 961074299 CMS
Saint Lukes Hospital Of Kansas City
Teaching hospital
Vifor (International) Ltd. $6,875.0002/21/2022 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 961072769 CMS
ELLIE KELEPOURIS
Physician / non-physician practitioner
Vifor (International) Ltd. $4,275.0002/21/2022 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 961074257 CMS
BIYKEM BOZKURT
Physician / non-physician practitioner
Vifor (International) Ltd. $1,125.0002/14/2022 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960706679 CMS
NIHAR DESAI
Physician / non-physician practitioner
Vifor (International) Ltd. $1,125.0002/14/2022 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 961083827 CMS
BARRY GREENBERG
Physician / non-physician practitioner
Vifor (International) Ltd. $4,500.0001/31/2022 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 961111885 CMS
ARYEH SHANDER
Physician / non-physician practitioner
Vifor (International) Ltd. $2,000.0001/24/2022 Honoraria No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960726073 CMS
ARYEH SHANDER
Physician / non-physician practitioner
Vifor (International) Ltd. $5,730.0001/24/2022 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 960726097 CMS

Practitioner overview · all loaded program years

77 providers listed 254 records General Payments

General Payments to practitioners — all loaded program years

  • Category: General Payments
  • Program years: 2019, 2020, 2021, 2022, 2023, 2024, 2025
  • Record count: 254
  • Providers listed: 77

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

Figures reflect General Payments this manufacturer or GPO reported to CMS. Research and Ownership/Investment payments are separate datasets and are not included here.

Coverage: program years 2019–2025, General Payments only, reported to physicians and non-physician practitioners. Payments to teaching hospitals are not included in these practitioner figures. Each figure is labeled with its category and program year; categories are never combined.

Practitioner payments by program year

Program yearReportedRecordsProvidersDetail
PY2019 $99,273.19 52 8 This company in PY2019 →
PY2020 $178,552.24 68 47 This company in PY2020 →
PY2021 $125,086.50 18 14 This company in PY2021 →
PY2022 $228,701.71 48 21 This company in PY2022 →
PY2023 $141,499.42 28 12 This company in PY2023 →
PY2024 $63,118.85 25 12 This company in PY2024 →
PY2025 $92,512.01 15 5 This company in PY2025 →

By recipient specialty (20)

Sorted by name; identical names by identifier.

Providers listed (77)

Sorted by name; identical names by identifier.

ProviderSpecialtyStateRecords reported by this company
AMIT NAHATA Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology OH 1
AMY SUSAN PALLER Allopathic & Osteopathic Physicians|Pediatrics IL 1
ANDREW M FREEMAN Allopathic & Osteopathic Physicians|Internal Medicine|Cardiovascular Disease CO 1
ANDREW R COLIN Allopathic & Osteopathic Physicians|Pediatrics FL 4
ANDREW S ARTZ Allopathic & Osteopathic Physicians|Internal Medicine|Hematology CA 4
ARYEH SHANDER Allopathic & Osteopathic Physicians|Anesthesiology NJ 5
BARRY GREENBERG Allopathic & Osteopathic Physicians|Internal Medicine|Advanced Heart Failure and Transplant Cardiology CA 1
BERNARD R CHAITMAN Allopathic & Osteopathic Physicians|Internal Medicine|Cardiovascular Disease MO 8
BERTRAM PITT Allopathic & Osteopathic Physicians|Internal Medicine|Cardiovascular Disease MI 10
BIYKEM BOZKURT Allopathic & Osteopathic Physicians|Internal Medicine|Cardiovascular Disease TX 8
BORIS ZAKS Allopathic & Osteopathic Physicians|Dermatology CA 1
BRADLEY A WARADY Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Nephrology MO 1
CHARLES J DOW Allopathic & Osteopathic Physicians|Internal Medicine|Cardiovascular Disease MA 1
CHERYL L ALSTON Allopathic & Osteopathic Physicians|Internal Medicine DC 2
DARYL J KOR Allopathic & Osteopathic Physicians|Anesthesiology MN 1
DAVID A BUSHINSKY Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology NY 1
ELLIE KELEPOURIS Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology PA 10
FUAD S SHIHAB Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology UT 1
GARY R COHEN Allopathic & Osteopathic Physicians|Internal Medicine MA 1
GERALD J MILAN Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology DE 1
GERSHWIN T BLYDEN Allopathic & Osteopathic Physicians|Internal Medicine FL 3
GIORGIO P NAPOLI Allopathic & Osteopathic Physicians|Internal Medicine|Cardiovascular Disease MA 2
GLENN M CHERTOW Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology CA 1
ILEANA LIVIA PINA Allopathic & Osteopathic Physicians|Internal Medicine|Advanced Heart Failure and Transplant Cardiology PA 15
IVETTE STICKELMAIER Allopathic & Osteopathic Physicians|Internal Medicine|Rheumatology CA 1
JAMES BARON WETMORE Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology MN 1
JAMES G TAYLOR Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Hematology-Oncology DC 2
JAMES SANGYOP LEE Allopathic & Osteopathic Physicians|Internal Medicine|Interventional Cardiology CA 3
JAVED BUTLER Allopathic & Osteopathic Physicians|Internal Medicine|Advanced Heart Failure and Transplant Cardiology MS 42
JAY B WISH Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology IN 2
JEAN FREDERICK COLOMBEL Allopathic & Osteopathic Physicians|Internal Medicine|Gastroenterology NY 2
JOEL NEUGARTEN Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology NY 1
JOHN C WOOD Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Cardiology CA 3
JONATHAN I SILVERBERG Allopathic & Osteopathic Physicians|Dermatology DC 1
JULIE A KANTER Allopathic & Osteopathic Physicians|Emergency Medicine NM 1
KAMYAR ZADEH KALANTAR Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology CA 5
KENNETH ROBERT MCGAFFIN Allopathic & Osteopathic Physicians|Internal Medicine|Cardiovascular Disease PA 2
KENNETH S STERNBERG Allopathic & Osteopathic Physicians|Internal Medicine|Interventional Cardiology VA 1
KEVIN J MARTIN Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology MO 3
KUNAL GURAV Allopathic & Osteopathic Physicians|Internal Medicine MO 1
LINDA SHORE-LESSERSON Allopathic & Osteopathic Physicians|Anesthesiology NY 1
LIVIU KLEIN Allopathic & Osteopathic Physicians|Internal Medicine|Advanced Heart Failure and Transplant Cardiology CA 1
MALCOLM G MUNRO Allopathic & Osteopathic Physicians|Obstetrics & Gynecology CA 8
MARC J DEVITO Allopathic & Osteopathic Physicians|Pediatrics NJ 1
MARK L ROBBINS Allopathic & Osteopathic Physicians|Internal Medicine|Rheumatology MA 1
MARK W FEINBERG Allopathic & Osteopathic Physicians|Internal Medicine|Cardiovascular Disease MA 1
MATTHEW B CARROLL Allopathic & Osteopathic Physicians|Internal Medicine|Rheumatology MS 1
MATTHEW R WEIR Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology MD 15
MELVIN H SEID Allopathic & Osteopathic Physicians|Obstetrics & Gynecology SC 1
MICHAEL LEE Allopathic & Osteopathic Physicians|Internal Medicine|Cardiovascular Disease CT 1