Karyopharm Therapeutics 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.

Payment records · PY2023

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

General Payments · PY2023 · All recipient types · CMS publication 2026-06-30

6,046 matching records · $1,172,114.61 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 6,046 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 6,046.

Recipient Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
GHASSAN ZALZALEH
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $19.5212/29/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056900599 CMS
JAYANTHI R RAMADURAI
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $19.5212/29/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056902411 CMS
SHAINA ROZELL
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $19.5212/29/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056908801 CMS
THERESA EVANS
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $16.9912/29/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056920943 CMS
BENJAMIN E JACOBS
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $29.2712/28/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056897765 CMS
DINA IBRAHIM
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $34.1412/28/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056899501 CMS
MUHAMMAD M ALAM
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $34.1412/28/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056905927 CMS
JESSIE O TURNER
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $12.8712/28/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056914989 CMS
BARRY ALAN FIRSTENBERG
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $19.5112/27/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056897685 CMS
JANICE K TOMBERLIN
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $19.5112/27/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056902302 CMS
RONALD TANG
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $34.4412/27/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056908071 CMS
WEBER CHEN
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $34.4412/27/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056910611 CMS
CAMERON FISHER
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $34.4412/27/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056912459 CMS
ALAN SAVEN
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $25.7812/26/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056896611 CMS
ANUJ K MAHINDRA
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $25.7812/26/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056897339 CMS
OMKAR S MARATHE
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $19.4412/26/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056906547 CMS
EMILY COLORADO
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $19.4412/26/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056913643 CMS
AJAY VINAYAK TAMBE
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $20.7412/23/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056896567 CMS
GREG A BIZETTE
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $20.7412/23/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056900711 CMS
VINCE D CATALDO
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $20.7412/23/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056910439 CMS
AMANDA CHARLOTTE BOLTON
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $20.7412/23/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056911255 CMS
JASMINE NICOLE SPEARMAN
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $20.7412/23/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056914505 CMS
BYUNG H LEE
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $32.6712/22/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056898169 CMS
DILRUBA N HAQUE
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $26.3712/22/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056899481 CMS
ERIC NELSON
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $13.5212/22/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056899991 CMS
NAWID M SARWARI
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $26.3712/22/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056906169 CMS
ALISA KRAFT
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $19.3012/22/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056911115 CMS
AMANDA LYNN WOODWARD
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $26.9312/22/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056911296 CMS
AMY S CLINTON
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $13.5212/22/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056911443 CMS
ANGELA L BEEZLEY
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $19.3012/22/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056911515 CMS
JACQUELINE K SMITH
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $13.5212/22/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056914387 CMS
JOHN R LEWANDOWSKI
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $26.9312/22/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056915165 CMS
KODI M BONE
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $19.3012/22/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056916177 CMS
MARY KATHERINE RYAN
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $26.9312/22/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056917741 CMS
MELISSA T MCCARTER
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $13.5212/22/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056918117 CMS
NATASHA SALAZAR
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $26.3712/22/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056918651 CMS
DERRICK SU
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $17.8812/21/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056899378 CMS
DHAN D KAUSHAL
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $32.6712/21/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056899385 CMS
EDUARDO MIRANDA
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $21.6212/21/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056899661 CMS
JACK H FREIMANN
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $25.4112/21/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056901823 CMS
JOSEPH RONALD MACE
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $18.9012/21/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056903191 CMS
KYAW ZIN THEIN
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $32.6712/21/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056903949 CMS
LIAWATY HO
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $32.6712/21/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056904183 CMS
LUIS ARSENIO GONZALEZ
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $21.6212/21/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056904309 CMS
MICHAEL DIAZ
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $18.9012/21/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056905143 CMS
PAVEL ALEKSANDER LEVIN
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $27.2812/21/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056906663 CMS
PETE POW-ANPONGKUL
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $17.8812/21/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056906711 CMS
ROBERT M GELFAND
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $18.7012/21/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056907985 CMS
ROBERT M GELFAND
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $1.2412/21/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056907993 CMS
SASHI NAIDU
Physician / non-physician practitioner
Karyopharm Therapeutics Inc. $27.3412/21/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056908615 CMS

Practitioner overview · all loaded program years

8,567 providers listed 29,692 records General Payments

General Payments to practitioners — all loaded program years

  • Category: General Payments
  • Program years: 2020, 2021, 2022, 2023, 2024, 2025
  • Record count: 29,692
  • Providers listed: 8,567

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
PY2020 $1,347,518.98 3,209 1,748 This company in PY2020 →
PY2021 $1,884,213.47 4,690 2,262 This company in PY2021 →
PY2022 $1,471,026.78 5,600 2,927 This company in PY2022 →
PY2023 $1,153,364.61 6,038 3,292 This company in PY2023 →
PY2024 $926,059.59 5,239 2,884 This company in PY2024 →
PY2025 $647,555.79 4,916 2,790 This company in PY2025 →

By recipient specialty (114)

Sorted by name; identical names by identifier.

Allopathic & Osteopathic Physicians 74 specialties 4,994 providers
Chiropractic Providers 1 specialty 5 providers
Dental Providers 3 specialties 8 providers
Eye and Vision Services Providers 2 specialties 4 providers
Nursing Service Providers 5 specialties 15 providers
Physician Assistants & Advanced Practice Nursing Providers 28 specialties 3,377 providers
Podiatric Medicine & Surgery Service Providers 1 specialty 1 providers

Providers listed (8,567)

Sorted by name; identical names by identifier.

ProviderSpecialtyStateRecords reported by this company
AAKRITI SONI — TX 2
AAMER FAROOQ Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology NJ 4
AARON A AMBRAD Allopathic & Osteopathic Physicians|Radiology|Radiation Oncology AZ 5
AARON ALIZADEH Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology GA 1
AARON CLEVELAND DENSON Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology FL 18
AARON D DOHENY Physician Assistants & Advanced Practice Nursing Providers|Clinical Nurse Specialist|Oncology FL 6
AARON DAVID HAYES Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family FL 2
AARON J STIRLING Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner CA 1
AARON JOHN HARRIS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TN 5
AARON L ANDERSON Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant IA 2
AARON M LAINE Allopathic & Osteopathic Physicians|Radiology|Radiation Oncology TX 3
AARON MICHAEL GOODMAN Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology NV 1
AARON R ZARNOSKY Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant MI 1
AARON T BOWMAN Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology NV 1
AARON T GERDS Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology OH 3
AARON T HENDERSON Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology FL 1
AARON W FLANDERS Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology FL 8
AARTI SHEVADE Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology PA 5
AASEMS JACOB Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology KY 4
AASIM S SEHBAI Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology AL 10
ABBEY BRUNO Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family GA 8
ABBEY J KALER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TX 1
ABBIE S HARRIS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner TN 8
ABBY E BLASCO Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner IL 1
ABBY MELANCON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Acute Care MS 3
ABBY SKRIPKO Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical PA 2
ABDERRAHIM KHOMANI Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology SC 2
ABDUL G MUNDIA Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology NY 3
ABDUL RAFEH NAQASH Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology OK 1
ABDULLAH MALAS Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology IL 1
ABDULRAHEEM YACOUB — KS 1
ABDUR SHAKIR Allopathic & Osteopathic Physicians|Internal Medicine IL 5
ABEL MENDEZ Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TX 1
ABHIJIT GODBOLE Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology AR 4
ABHILASH P NAMBIAR Allopathic & Osteopathic Physicians|Radiology|Radiation Oncology AZ 3
ABHIMANYU GHOSE Allopathic & Osteopathic Physicians|Internal Medicine AZ 5
ABHINAV B CHANDRA Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology AZ 1
ABHINAV MITTAL Allopathic & Osteopathic Physicians|Internal Medicine|Pulmonary Disease AZ 5
ABHISHEK KALLA Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology MD 1
ABHISHEK SINGH Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology RI 1
ABIBAIL ANNE PLEC Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant TX 3
ABID MOHIUDDIN Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology AR 3
ABIDA BUSHRA — AL 1
ABIGAEL R MAGNO Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TX 2
ABIGAIL B BYRNES Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology KY 9
ABIGAIL C SCHMIDT Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family PA 1
ABIGAIL G BEZEK Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical PA 3
ABIGAIL LEIGH MCNULTY Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner CO 2
ABINESH SEKAR — MA 3
ABISOLA A AJAYI Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family GA 1