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 7 of 16; records 301–350 of 777 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, PY2021; 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 7 of 16; records 301–350 of 777 matching records. This page contains 50 records (maximum 50), not the full filtered export.

Filtered page: https://industrypayments.org/company/100000005488?year=2021&recipient=all&page=7#records-h

CMS source: https://openpaymentsdata.cms.gov/dataset/0380bbeb-aea1-58b6-b708-829f92a48202

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, PY2021; 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 7 of 16; records 301–350 of 777 matching records. This page contains 50 records (maximum 50), not the full filtered export. IndustryPayments. https://industrypayments.org/company/100000005488?year=2021&recipient=all&page=7#records-h. Source: https://openpaymentsdata.cms.gov/dataset/0380bbeb-aea1-58b6-b708-829f92a48202.
APA 7
IndustryPayments. (2026). NXSTAGE MEDICAL, INC., CMS reporting company ID 100000005488. General Payments, PY2021; 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 7 of 16; records 301–350 of 777 matching records. This page contains 50 records (maximum 50), not the full filtered export. [Filtered data set page]. https://industrypayments.org/company/100000005488?year=2021&recipient=all&page=7#records-h. Source: https://openpaymentsdata.cms.gov/dataset/0380bbeb-aea1-58b6-b708-829f92a48202.
Bluebook
NXSTAGE MEDICAL, INC., CMS reporting company ID 100000005488, IndustryPayments, General Payments, PY2021; 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 7 of 16; records 301–350 of 777 matching records. This page contains 50 records (maximum 50), not the full filtered export. Source: https://openpaymentsdata.cms.gov/dataset/0380bbeb-aea1-58b6-b708-829f92a48202. https://industrypayments.org/company/100000005488?year=2021&recipient=all&page=7#records-h.

Centers for Medicare & Medicaid Services, Open Payments

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

Payment records · PY2021

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

General Payments · PY2021 · All recipient types · CMS publication 2026-06-30

777 matching records · $193,236.05 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 777 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 301–350 of 777.

Recipient Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
ERIN J WEBER
Physician / non-physician practitioner
NxStage Medical, Inc. $21.4208/25/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621431 CMS
RHEA L GRAHAM
Physician / non-physician practitioner
NxStage Medical, Inc. $17.2408/25/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851622463 CMS
SATYAKI BANERJEE
Physician / non-physician practitioner
NxStage Medical, Inc. $64.9308/24/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851620159 CMS
RAVI KUMAR THIMMISETTY
Physician / non-physician practitioner
NxStage Medical, Inc. $64.9408/24/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851620199 CMS
LIZA A LUCERO
Physician / non-physician practitioner
NxStage Medical, Inc. $64.9408/24/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851620451 CMS
HECTOR J CASTRO
Physician / non-physician practitioner
NxStage Medical, Inc. $64.9408/24/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621127 CMS
LAN T NGUYEN
Physician / non-physician practitioner
NxStage Medical, Inc. $64.9308/24/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621357 CMS
CHELSEA LISK
Physician / non-physician practitioner
NxStage Medical, Inc. $12.7608/24/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621469 CMS
SARAH ELLEN PIERCE BROWN
Physician / non-physician practitioner
NxStage Medical, Inc. $12.7608/24/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621523 CMS
NICOLE CHRISTINE PACHECO
Physician / non-physician practitioner
NxStage Medical, Inc. $64.9408/24/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621533 CMS
STEPHEN K SAMOEI
Physician / non-physician practitioner
NxStage Medical, Inc. $64.9408/24/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621547 CMS
RICHARD HERRERA
Physician / non-physician practitioner
NxStage Medical, Inc. $64.9308/24/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621567 CMS
LEONARD A ROMERO
Physician / non-physician practitioner
NxStage Medical, Inc. $64.9408/24/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621897 CMS
DALE G ERICKSON
Physician / non-physician practitioner
NxStage Medical, Inc. $64.9408/24/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621905 CMS
JAYANT KUMAR
Physician / non-physician practitioner
NxStage Medical, Inc. $64.9308/24/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621927 CMS
SONAM P KUNDELING
Physician / non-physician practitioner
NxStage Medical, Inc. $64.9408/24/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621967 CMS
THILAGAVATHI VENKATACHALAM
Physician / non-physician practitioner
NxStage Medical, Inc. $64.9408/24/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851622351 CMS
STEPHANIE J MAHOOTY
Physician / non-physician practitioner
NxStage Medical, Inc. $64.9408/24/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851623109 CMS
ELIZABETH M EVANS
Physician / non-physician practitioner
NxStage Medical, Inc. $64.9408/24/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851623193 CMS
BRENT WILLIAM MILLER
Physician / non-physician practitioner
NxStage Medical, Inc. $2,000.0008/23/2021 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: UNCHANGED
06/30/2026 764792000 CMS
BRENT WILLIAM MILLER
Physician / non-physician practitioner
NxStage Medical, Inc. $700.0008/23/2021 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 764792010 CMS
KEVIN W FINKEL
Physician / non-physician practitioner
NxStage Medical, Inc. $35.9808/19/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851622155 CMS
ABRAR AHMAD
Physician / non-physician practitioner
NxStage Medical, Inc. $14.2508/19/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851622785 CMS
PARDEEP K SHARMA
Physician / non-physician practitioner
NxStage Medical, Inc. $12.1008/18/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851620747 CMS
RAJNIKANTH NARAYANAN
Physician / non-physician practitioner
NxStage Medical, Inc. $14.8408/18/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851620753 CMS
LESLIE TORRES
Physician / non-physician practitioner
NxStage Medical, Inc. $19.0108/18/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621609 CMS
ANJU MENDIRATTA
Physician / non-physician practitioner
NxStage Medical, Inc. $12.1008/18/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851622599 CMS
LESLIE TORRES
Physician / non-physician practitioner
NxStage Medical, Inc. $18.4408/17/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621603 CMS
KEVIN GRIFFITHS
Physician / non-physician practitioner
NxStage Medical, Inc. $696.2008/15/2021 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621287 CMS
TIMOTHY A PFLEDERER
Physician / non-physician practitioner
NxStage Medical, Inc. $64.6508/14/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 764791928 CMS
TIMOTHY A PFLEDERER
Physician / non-physician practitioner
NxStage Medical, Inc. $2,000.0008/14/2021 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: UNCHANGED
06/30/2026 764791974 CMS
TIMOTHY A PFLEDERER
Physician / non-physician practitioner
NxStage Medical, Inc. $1,361.3008/14/2021 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 764791998 CMS
GEORGE HART
Physician / non-physician practitioner
NxStage Medical, Inc. $560.7108/14/2021 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 764792014 CMS
GEORGE HART
Physician / non-physician practitioner
NxStage Medical, Inc. $2,000.0008/14/2021 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: UNCHANGED
06/30/2026 764792042 CMS
KEVIN GRIFFITHS
Physician / non-physician practitioner
NxStage Medical, Inc. $1,500.0008/14/2021 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: UNCHANGED
06/30/2026 764792056 CMS
KAMYAR ZADEH KALANTAR
Physician / non-physician practitioner
NxStage Medical, Inc. $2,000.0008/14/2021 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: UNCHANGED
06/30/2026 764792062 CMS
KEVIN GRIFFITHS
Physician / non-physician practitioner
NxStage Medical, Inc. $500.0008/14/2021 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 764792090 CMS
PRAYUS T TAILOR
Physician / non-physician practitioner
NxStage Medical, Inc. $32.8808/14/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851622721 CMS
PRAYUS T TAILOR
Physician / non-physician practitioner
NxStage Medical, Inc. $33.2808/14/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851622727 CMS
PRAYUS T TAILOR
Physician / non-physician practitioner
NxStage Medical, Inc. $596.8008/14/2021 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851622731 CMS
PRAYUS T TAILOR
Physician / non-physician practitioner
NxStage Medical, Inc. $2,000.0008/13/2021 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: UNCHANGED
06/30/2026 764792024 CMS
LISA A KOESTER WIEDEMANN
Physician / non-physician practitioner
NxStage Medical, Inc. $19.8708/13/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851620299 CMS
KAMYAR ZADEH KALANTAR
Physician / non-physician practitioner
NxStage Medical, Inc. $19.8708/13/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621245 CMS
KAMYAR ZADEH KALANTAR
Physician / non-physician practitioner
NxStage Medical, Inc. $1,383.6008/13/2021 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621267 CMS
KEVIN GRIFFITHS
Physician / non-physician practitioner
NxStage Medical, Inc. $19.8808/13/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621283 CMS
TIMOTHY A PFLEDERER
Physician / non-physician practitioner
NxStage Medical, Inc. $19.8808/13/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621789 CMS
GEORGE HART
Physician / non-physician practitioner
NxStage Medical, Inc. $19.8708/13/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621805 CMS
PRAYUS T TAILOR
Physician / non-physician practitioner
NxStage Medical, Inc. $19.8708/13/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851622717 CMS
JOSHUA SIMON SADOLF
Physician / non-physician practitioner
NxStage Medical, Inc. $15.1908/12/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851620265 CMS
ABHIJIT V KSHIRSAGAR
Physician / non-physician practitioner
NxStage Medical, Inc. $15.1908/12/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621769 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