NXSTAGE MEDICAL, INC.

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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 9 of 24; records 401–450 of 1179 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

NXSTAGE MEDICAL, INC.

CMS reporting company ID 100000005488

General Payments, PY2025; 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 9 of 24; records 401–450 of 1179 matching records. This page contains 50 records (maximum 50), not the full filtered export.

Filtered page: https://industrypayments.org/company/100000005488?year=2025&recipient=all&page=9#records-h

CMS source: https://openpaymentsdata.cms.gov/dataset/fb0b1734-1410-429d-92f6-3f4b35218e5e

Cite these filtered records

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

Plain
NXSTAGE MEDICAL, INC., CMS reporting company ID 100000005488. General Payments, PY2025; 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 9 of 24; records 401–450 of 1179 matching records. This page contains 50 records (maximum 50), not the full filtered export. IndustryPayments. https://industrypayments.org/company/100000005488?year=2025&recipient=all&page=9#records-h. Source: https://openpaymentsdata.cms.gov/dataset/fb0b1734-1410-429d-92f6-3f4b35218e5e.
APA 7
IndustryPayments. (2026). NXSTAGE MEDICAL, INC., CMS reporting company ID 100000005488. General Payments, PY2025; 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 9 of 24; records 401–450 of 1179 matching records. This page contains 50 records (maximum 50), not the full filtered export. [Filtered data set page]. https://industrypayments.org/company/100000005488?year=2025&recipient=all&page=9#records-h. Source: https://openpaymentsdata.cms.gov/dataset/fb0b1734-1410-429d-92f6-3f4b35218e5e.
Bluebook
NXSTAGE MEDICAL, INC., CMS reporting company ID 100000005488, IndustryPayments, General Payments, PY2025; 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 9 of 24; records 401–450 of 1179 matching records. This page contains 50 records (maximum 50), not the full filtered export. Source: https://openpaymentsdata.cms.gov/dataset/fb0b1734-1410-429d-92f6-3f4b35218e5e. https://industrypayments.org/company/100000005488?year=2025&recipient=all&page=9#records-h.

Centers for Medicare & Medicaid Services, Open Payments

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

Payment records · PY2025

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

General Payments · PY2025 · All recipient types · CMS publication 2026-06-30

1,179 matching records · $110,626.70 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 1,179 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 401–450 of 1,179.

Recipient Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
FRANKLIN E YUAN
Physician / non-physician practitioner
NxStage Medical, Inc. $28.1408/22/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241207750 CMS
LEONID N PRAVOVEROV
Physician / non-physician practitioner
NxStage Medical, Inc. $83.3308/22/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241207756 CMS
MICHAEL M SCHISSLER
Physician / non-physician practitioner
NxStage Medical, Inc. $116.8908/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241208927 CMS
RAFAEL BARACALDO
Physician / non-physician practitioner
NxStage Medical, Inc. $116.8908/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241208929 CMS
ALEXANDER AFANASYEV
Physician / non-physician practitioner
NxStage Medical, Inc. $116.8908/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241208931 CMS
AMIT RAI
Physician / non-physician practitioner
NxStage Medical, Inc. $116.8908/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241208937 CMS
SARAH SYBIL SHEA
Physician / non-physician practitioner
NxStage Medical, Inc. $116.8908/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241208947 CMS
RAMSEY NASRI NASSAR
Physician / non-physician practitioner
NxStage Medical, Inc. $116.8908/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241208957 CMS
SHANNA MARIE HILLERICH
Physician / non-physician practitioner
NxStage Medical, Inc. $116.8908/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241208965 CMS
BOUTROS EL-HADDAD
Physician / non-physician practitioner
NxStage Medical, Inc. $116.8908/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241208971 CMS
NIZAR MOUSA ATTALLAH
Physician / non-physician practitioner
NxStage Medical, Inc. $116.8908/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241208977 CMS
VIRALKUMAR AMRUTIYA
Physician / non-physician practitioner
NxStage Medical, Inc. $117.5208/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241209214 CMS
CLAUS SPIES
Physician / non-physician practitioner
NxStage Medical, Inc. $117.5208/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241209248 CMS
PEDRO C PAGAN TORRES
Physician / non-physician practitioner
NxStage Medical, Inc. $145.2808/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241209918 CMS
MANUEL A CRUZ
Physician / non-physician practitioner
NxStage Medical, Inc. $145.2808/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241209922 CMS
LESA A THOMAS NAMNOUM
Physician / non-physician practitioner
NxStage Medical, Inc. $145.2808/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241209926 CMS
ALFREDO RAMIREZ
Physician / non-physician practitioner
NxStage Medical, Inc. $145.2808/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241209928 CMS
WILLIAM O HURTADO-SANTIAGO
Physician / non-physician practitioner
NxStage Medical, Inc. $145.2908/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241209936 CMS
PEDRO A CARDE
Physician / non-physician practitioner
NxStage Medical, Inc. $145.2808/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241209949 CMS
OSAMA EL SHAMY
Physician / non-physician practitioner
NxStage Medical, Inc. $249.4308/20/2025 Travel and Lodging No dispute reported Delay: No
Change: NEW
06/30/2026 1240106359 CMS
OSAMA EL SHAMY
Physician / non-physician practitioner
NxStage Medical, Inc. $2,000.0008/20/2025 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: NEW
06/30/2026 1240106405 CMS
OSAMA EL SHAMY
Physician / non-physician practitioner
NxStage Medical, Inc. $14.4508/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1240106443 CMS
JOHN KEVIN HEIFNER
Physician / non-physician practitioner
NxStage Medical, Inc. $19.9108/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241207702 CMS
UDAYAN BHATT
Physician / non-physician practitioner
NxStage Medical, Inc. $21.3508/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241208076 CMS
ANTONIO LLOMPART
Physician / non-physician practitioner
NxStage Medical, Inc. $21.3508/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241208184 CMS
IDA AYENSU
Physician / non-physician practitioner
NxStage Medical, Inc. $21.3508/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241208200 CMS
MAHA WAZIR
Physician / non-physician practitioner
NxStage Medical, Inc. $21.3508/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241208321 CMS
JASON PROSEK
Physician / non-physician practitioner
NxStage Medical, Inc. $21.3608/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241208349 CMS
MARIA DIANA VORNICU
Physician / non-physician practitioner
NxStage Medical, Inc. $72.3008/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241208483 CMS
OSAMA EL SHAMY
Physician / non-physician practitioner
NxStage Medical, Inc. $24.8508/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241208487 CMS
OSAMA EL SHAMY
Physician / non-physician practitioner
NxStage Medical, Inc. $72.3008/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241208491 CMS
BAISHALI NAIR
Physician / non-physician practitioner
NxStage Medical, Inc. $72.3108/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241208495 CMS
ABDALLAH M ALALI
Physician / non-physician practitioner
NxStage Medical, Inc. $72.3108/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241208499 CMS
RUSLAN A SOLDYSHEV
Physician / non-physician practitioner
NxStage Medical, Inc. $18.3408/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241208915 CMS
JESUS IVAN HERNANDEZ RIVERA
Physician / non-physician practitioner
NxStage Medical, Inc. $143.4208/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241209914 CMS
JESUS IVAN HERNANDEZ RIVERA
Physician / non-physician practitioner
NxStage Medical, Inc. $54.6208/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241209916 CMS
ELVIN SOTO HERNANDEZ
Physician / non-physician practitioner
NxStage Medical, Inc. $54.6208/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241209932 CMS
ELVIN SOTO HERNANDEZ
Physician / non-physician practitioner
NxStage Medical, Inc. $143.4208/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241209934 CMS
WILLIAM O HURTADO-SANTIAGO
Physician / non-physician practitioner
NxStage Medical, Inc. $143.4208/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241209938 CMS
WILLIAM O HURTADO-SANTIAGO
Physician / non-physician practitioner
NxStage Medical, Inc. $54.6208/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241209940 CMS
OLIVER M GUERRERO DUJARRIC
Physician / non-physician practitioner
NxStage Medical, Inc. $54.6208/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241209944 CMS
OLIVER M GUERRERO DUJARRIC
Physician / non-physician practitioner
NxStage Medical, Inc. $143.4208/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241209947 CMS
JOSE E COLON
Physician / non-physician practitioner
NxStage Medical, Inc. $54.6208/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241209951 CMS
JOSE E COLON
Physician / non-physician practitioner
NxStage Medical, Inc. $143.4208/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241209953 CMS
JAIME DA SILVA AROCHO
Physician / non-physician practitioner
NxStage Medical, Inc. $143.4308/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241209957 CMS
JAIME DA SILVA AROCHO
Physician / non-physician practitioner
NxStage Medical, Inc. $54.6108/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241209959 CMS
OSAMA EL SHAMY
Physician / non-physician practitioner
NxStage Medical, Inc. $1,047.0008/19/2025 Travel and Lodging No dispute reported Delay: No
Change: NEW
06/30/2026 1240106353 CMS
OSAMA EL SHAMY
Physician / non-physician practitioner
NxStage Medical, Inc. $2,000.0008/19/2025 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: NEW
06/30/2026 1240106375 CMS
OSAMA EL SHAMY
Physician / non-physician practitioner
NxStage Medical, Inc. $500.0008/19/2025 Consulting Fee No dispute reported Delay: No
Change: NEW
06/30/2026 1240106413 CMS
JOHN KEVIN HEIFNER
Physician / non-physician practitioner
NxStage Medical, Inc. $19.7108/19/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1241207700 CMS

Practitioner overview · all loaded program years

3,362 providers listed 6,539 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: 6,539
  • Providers listed: 3,362

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 $138,055.94 982 582 This company in PY2019 →
PY2020 $125,926.03 218 143 This company in PY2020 →
PY2021 $193,236.05 777 464 This company in PY2021 →
PY2022 $232,196.54 1,380 979 This company in PY2022 →
PY2023 $154,813.22 1,160 795 This company in PY2023 →
PY2024 $101,216.72 843 650 This company in PY2024 →
PY2025 $110,626.70 1,179 847 This company in PY2025 →

By recipient specialty (74)

Sorted by name; identical names by identifier.

Allopathic & Osteopathic Physicians 45 specialties 2,469 providers
Dental Providers 3 specialties 3 providers
Nursing Service Providers 4 specialties 6 providers
Physician Assistants & Advanced Practice Nursing Providers 21 specialties 768 providers
Podiatric Medicine & Surgery Service Providers 1 specialty 1 providers

Providers listed (3,362)

Sorted by name; identical names by identifier.

ProviderSpecialtyStateRecords reported by this company
AAMIR ZUBERI Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology TX 1
AARON DIODATO — PA 1
AARON K NADA Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology HI 1
AARON SIRCY — OH 3
AARON T DALL Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology WI 1
AASTHA PARSA Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology FL 1
ABBAS EL-KHATIB Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology WV 2
ABBOUD HANNA Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology AZ 2
ABDALLA MD ISMAIL Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology OH 7
ABDALLAH M ALALI Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology NV 1
ABDEL FARID ABU SHAMAT Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology LA 2
ABDELAZIZ ALI ELSANJAK Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology VA 2
ABDUL HAFEEZ Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology TX 3
ABDUL KHAN Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology TX 1
ABDUL MATEEN NAGARIA Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology MO 1
ABDUL R ZANABLI Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology WV 1
ABDULLAH AL-ASAAD Allopathic & Osteopathic Physicians|Internal Medicine|Critical Care Medicine MN 1
ABDULLAH SHAHID Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology NC 1
ABHAYA VARMA Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology SC 1
ABHIJEET GOYAL Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology TX 2
ABHIJIN DAS Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology LA 1
ABHIJIT KONTAMWAR Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology OH 1
ABHIJIT V KSHIRSAGAR Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology NC 1
ABHINAV KUMAR TIWARY Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology MA 2
ABHISHEK PATEL Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology TN 1
ABID ASLAM Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology MO 1
ABIDA ZAFAR Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology MI 2
ABIGAIL A MCCARTHY Allopathic & Osteopathic Physicians|Family Medicine NY 1
ABIGAIL LEE BRADNER Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology TN 4
ABIGAIL M LEONORAS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner NV 1
ABRAHAM DANESHVAR Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical CA 4
ABRAHAM RAJAN Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology TX 2
ABRAR AHMAD Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology TN 2
ABUBAKR ABDELMUNIM TAGELSIR ABDELAZIZ Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology AZ 1
ACHAL K DESAI Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology KS 2
ADAM C PROTAIN Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology HI 7
ADAM C SHEPARD Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology LA 1
ADAM HOREISH Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology CA 3
ADAM M PEARLMAN Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology MD 1
ADAM M SEGAL Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology MA 3
ADAM TUCHINSKY Allopathic & Osteopathic Physicians|Internal Medicine PA 1
ADARSH BHAT Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology CA 2
ADARSHA SHRESTHA — FL 1
ADEBOWALE O OGUNTOLA Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology GA 1
ADEDEJI O SODEINDE Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology OH 2
ADEDOYIN AKINTIDE Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology KY 1
ADEEL AHMAD Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology TX 6
ADHAM MOHSEN Allopathic & Osteopathic Physicians|Internal Medicine MO 1
ADIL JADOON Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology MI 1
ADIN BOLDUR Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology NV 1