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 8 of 16; records 351–400 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 8 of 16; records 351–400 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=8#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 8 of 16; records 351–400 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=8#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 8 of 16; records 351–400 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=8#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 8 of 16; records 351–400 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=8#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 351–400 of 777.

Recipient Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
KAWAN ANTREY SWAIN
Physician / non-physician practitioner
NxStage Medical, Inc. $15.1908/12/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851622341 CMS
QASIM MASUD CHOUDRY
Physician / non-physician practitioner
NxStage Medical, Inc. $70.3208/11/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851622079 CMS
FAHAD ALOBAIDI
Physician / non-physician practitioner
NxStage Medical, Inc. $17.4808/10/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851620919 CMS
HAROLD MICHAEL SZERLIP
Physician / non-physician practitioner
NxStage Medical, Inc. $36.5308/09/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851622911 CMS
CHRISTINE L OBERG
Physician / non-physician practitioner
NxStage Medical, Inc. $24.3708/06/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851620387 CMS
GUSTAVO A ESPINO
Physician / non-physician practitioner
NxStage Medical, Inc. $24.3708/06/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621957 CMS
ISAAC TEITELBAUM
Physician / non-physician practitioner
NxStage Medical, Inc. $16.3908/05/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851622003 CMS
AHMED FAWZY
Physician / non-physician practitioner
NxStage Medical, Inc. $26.6708/04/2021 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851620015 CMS
AHMED FAWZY
Physician / non-physician practitioner
NxStage Medical, Inc. $77.1808/04/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851620019 CMS
VIVEK NADKARNI
Physician / non-physician practitioner
NxStage Medical, Inc. $77.1808/04/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851620025 CMS
VIVEK NADKARNI
Physician / non-physician practitioner
NxStage Medical, Inc. $26.6708/04/2021 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851620029 CMS
AMBER SKY ANGELIDIS
Physician / non-physician practitioner
NxStage Medical, Inc. $16.2208/04/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621343 CMS
GEORGE M BESCAK
Physician / non-physician practitioner
NxStage Medical, Inc. $26.6608/04/2021 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851622133 CMS
GEORGE M BESCAK
Physician / non-physician practitioner
NxStage Medical, Inc. $77.1908/04/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851622139 CMS
ADEDEJI O SODEINDE
Physician / non-physician practitioner
NxStage Medical, Inc. $26.6708/04/2021 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851622939 CMS
ADEDEJI O SODEINDE
Physician / non-physician practitioner
NxStage Medical, Inc. $77.1808/04/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851622945 CMS
MALIA RACHELLE WEST
Physician / non-physician practitioner
NxStage Medical, Inc. $26.6608/04/2021 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851623135 CMS
MALIA RACHELLE WEST
Physician / non-physician practitioner
NxStage Medical, Inc. $77.1808/04/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851623139 CMS
PAMELA KAY HOLLER
Physician / non-physician practitioner
NxStage Medical, Inc. $15.8808/03/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851620315 CMS
STACY WILLIAMS
Physician / non-physician practitioner
NxStage Medical, Inc. $15.8808/03/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851620407 CMS
ERIN J WEBER
Physician / non-physician practitioner
NxStage Medical, Inc. $15.8808/03/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621425 CMS
MOHAMMAD A KHAN
Physician / non-physician practitioner
NxStage Medical, Inc. $19.8708/03/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621855 CMS
KEVIN D MUELKEN
Physician / non-physician practitioner
NxStage Medical, Inc. $15.8808/03/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851622129 CMS
BLAKE M HILL
Physician / non-physician practitioner
NxStage Medical, Inc. $15.8708/03/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851622475 CMS
HARNATH SINGH
Physician / non-physician practitioner
NxStage Medical, Inc. $12.0608/02/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851622811 CMS
KRISTINE G PARDILLA
Physician / non-physician practitioner
NxStage Medical, Inc. $41.4707/30/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851620531 CMS
KRISTIE ELIZABETH JONES
Physician / non-physician practitioner
NxStage Medical, Inc. $79.2307/29/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851620253 CMS
MICHAEL J TINGEY
Physician / non-physician practitioner
NxStage Medical, Inc. $79.2307/29/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851620897 CMS
CRISTINA PINAL
Physician / non-physician practitioner
NxStage Medical, Inc. $16.8907/29/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851620905 CMS
JAHANGIR AHMED
Physician / non-physician practitioner
NxStage Medical, Inc. $79.2407/29/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851620947 CMS
TREVOR REED SMITH
Physician / non-physician practitioner
NxStage Medical, Inc. $79.2307/29/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621157 CMS
JOSE ALFREDO MORFIN
Physician / non-physician practitioner
NxStage Medical, Inc. $79.2307/29/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851622839 CMS
KAMYAR ZADEH KALANTAR
Physician / non-physician practitioner
NxStage Medical, Inc. $2,000.0007/28/2021 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 764791920 CMS
KEVIN W FINKEL
Physician / non-physician practitioner
NxStage Medical, Inc. $1,050.0007/28/2021 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 764791926 CMS
JOSE ALFREDO MORFIN
Physician / non-physician practitioner
NxStage Medical, Inc. $1,400.0007/28/2021 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 764791962 CMS
JOSE ALFREDO MORFIN
Physician / non-physician practitioner
NxStage Medical, Inc. $57.0407/28/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 764791978 CMS
JOSE ALFREDO MORFIN
Physician / non-physician practitioner
NxStage Medical, Inc. $433.7007/28/2021 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 764791988 CMS
JOSE ALFREDO MORFIN
Physician / non-physician practitioner
NxStage Medical, Inc. $2,000.0007/28/2021 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 764792054 CMS
KAMYAR ZADEH KALANTAR
Physician / non-physician practitioner
NxStage Medical, Inc. $17.8407/28/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621235 CMS
KAMYAR ZADEH KALANTAR
Physician / non-physician practitioner
NxStage Medical, Inc. $17.8407/28/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621241 CMS
KAMYAR ZADEH KALANTAR
Physician / non-physician practitioner
NxStage Medical, Inc. $129.3507/28/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621249 CMS
KAMYAR ZADEH KALANTAR
Physician / non-physician practitioner
NxStage Medical, Inc. $224.3807/28/2021 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621259 CMS
YUVARAJ THANGARAJ
Physician / non-physician practitioner
NxStage Medical, Inc. $16.1307/28/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621739 CMS
CASEY N GASHTI
Physician / non-physician practitioner
NxStage Medical, Inc. $175.0007/27/2021 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 764791918 CMS
KAMYAR ZADEH KALANTAR
Physician / non-physician practitioner
NxStage Medical, Inc. $2,000.0007/27/2021 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 764791944 CMS
EUGENE G WONG
Physician / non-physician practitioner
NxStage Medical, Inc. $149.6607/27/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851619971 CMS
JANE JAE-UN PAEK TAKEBAYASHI
Physician / non-physician practitioner
NxStage Medical, Inc. $149.6507/27/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851620371 CMS
THOMAS JESSIE T ALDAN
Physician / non-physician practitioner
NxStage Medical, Inc. $149.6607/27/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851620915 CMS
KAMYAR ZADEH KALANTAR
Physician / non-physician practitioner
NxStage Medical, Inc. $149.6507/27/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851621255 CMS
SHIUH FENG CHENG
Physician / non-physician practitioner
NxStage Medical, Inc. $149.6507/27/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 851622143 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