Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · PY2020–2025 Search official records Methodology

Karyopharm Therapeutics Inc.

8,567 providers listed $7,429,739.22 reported 29,692 records General Payments

General Payments reported — all loaded program years

$7,429,739.22

  • 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.

How this figure is calculated
  • This total is the sum of the individual General Payments record amounts CMS published for the labeled program year(s); each record amount is used unmodified. The total itself is computed by this site. Nothing is estimated, weighted, or combined across categories.
  • Figures reflect General Payments this manufacturer or GPO reported to CMS. Research and Ownership/Investment payments are separate datasets and are not included here.
  • Methodology & Data — sourcing, labeling, and limitations.

Coverage: program years 2019–2025, General Payments only. Each figure is labeled with its category and program year; categories are never combined.

By program year

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

By recipient specialty (25 shown)

Sorted by reported total.

SpecialtyReportedRecordsProviders
Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology $4,000,593.86 12,883 2,960
Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology $1,582,353.94 3,521 812
Allopathic & Osteopathic Physicians|Internal Medicine|Hematology $555,927.29 667 133
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner $177,819.52 2,177 792
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family $151,185.70 3,333 1,209
Allopathic & Osteopathic Physicians|Internal Medicine|Infectious Disease $137,727.32 75 6
Allopathic & Osteopathic Physicians|Internal Medicine $116,875.25 532 239
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health $87,230.13 880 253
Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology $84,598.26 277 105
Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant $58,784.26 1,502 553
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Acute Care $52,827.00 532 143
Nursing Service Providers|Registered Nurse|Oncology $31,499.90 62 4
Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology $18,015.55 21 10
Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical $17,350.85 518 173
Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Hematology-Oncology $16,893.45 17 7
Allopathic & Osteopathic Physicians|Obstetrics & Gynecology $14,519.78 40 21
Allopathic & Osteopathic Physicians|Radiology|Radiation Oncology $12,144.24 494 263
Allopathic & Osteopathic Physicians|Family Medicine $11,746.29 95 58
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Gerontology $9,783.81 287 111
Allopathic & Osteopathic Physicians|Surgery $8,490.76 102 50
Allopathic & Osteopathic Physicians|Internal Medicine|Pulmonary Disease $3,279.36 30 16
Allopathic & Osteopathic Physicians|Hospitalist $3,141.51 49 34
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Primary Care $2,833.03 81 37
Physician Assistants & Advanced Practice Nursing Providers|Clinical Nurse Specialist|Oncology $1,672.23 60 25
Allopathic & Osteopathic Physicians|Surgery|Surgical Oncology $1,629.07 66 24

Providers listed (8,567)

Sorted by name. Sort by amount instead

ProviderSpecialtyStateReported by this company
KATHERINE ANNE SELLERS Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant TX $96.65
KATHERINE ARENSMEYER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health MD $406.15
KATHERINE CHANG Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology WA $46.50
KATHERINE CHIYU WANG Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology TX $3,569.07
KATHERINE CYNTHIA FUH Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology CA $193.26
KATHERINE E MATAS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health NY $34.47
KATHERINE ELIZABETH CHAFIN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family VA $23.42
KATHERINE HARRISON CHAKNIS Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant GA $19.27
KATHERINE LORRAINE FOSS Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant GA $22.45
KATHERINE MARY COHEN Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology CA $15.72
KATHERINE MITCHELL Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner KY $17.73
KATHERINE R SHERROUSE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family AL $17.26
KATHERINE REDMOND-LARIMER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family CA $45.51
KATHERINE ROTH CA $32.43
KATHERINE WILLIAMS SHERIDAN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family AL $31.11
KATHI E REYNOLDS Physician Assistants & Advanced Practice Nursing Providers|Clinical Nurse Specialist|Adult Health OH $19.88
KATHI S GARDNER Nursing Service Providers|Registered Nurse|General Practice CA $21.19
KATHIRESAN SUPPIAH Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology DE $120.00
KATHLEEN A DIETZ LOVETT Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health MA $114.30
KATHLEEN ANN MURPHY Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family NY $16.01
KATHLEEN B ALLOR Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical MI $139.30
KATHLEEN B PUGH Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family AL $12.85
KATHLEEN C MENDHEIM Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner AL $30.04
KATHLEEN DOUGHNEY Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology FL $37.46
KATHLEEN E PHILLIPS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Gerontology NJ $232.64
KATHLEEN H MILAM Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner AR $15.46
KATHLEEN J YOST Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology MI $12.45
KATHLEEN K ESCOBIA Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health NJ $13.38
KATHLEEN LEE Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical FL $17.88
KATHLEEN M BRADY Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health FL $20.79
KATHLEEN M ELLIOTT Allopathic & Osteopathic Physicians|Internal Medicine|Hematology NC $12.88
KATHLEEN M TONKIN Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology NE $31.01
KATHLEEN M TOON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner AR $30.93
KATHLEEN MICHELLE PROVANZANA Allopathic & Osteopathic Physicians|Family Medicine OH $12.45
KATHLEEN MOORE Allopathic & Osteopathic Physicians|Obstetrics & Gynecology OK $4,600.54
KATHLEEN N CLIFFORD Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner ID $5,917.05
KATHLEEN NORA COUGHLIN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner MA $21.48
KATHLEEN P PEARL Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health NJ $94.27
KATHLEEN SANTIAGO Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family AL $138.41
KATHLEEN SHARKEY Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner FL $42.31
KATHLEEN THERESA HUNTER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health TX $50.23
KATHRYN A ARRAMBIDE Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology AL $15.21
KATHRYN A MINOR Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Surgical TX $23.57
KATHRYN A SHUNNARAH Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner FL $241.22
KATHRYN B BOLLIN Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology CA $163.12
KATHRYN BLAIR SMITH JOHNSON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family NY $1,134.07
KATHRYN BOWER Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology FL $166.35
KATHRYN DOWLING Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Primary Care NY $32.51
KATHRYN FNP SHELTON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TN $43.06
KATHRYN G FRANCESCON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family KY $143.26