EISAI 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 1 of 617; records 1–50 of 30840 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

EISAI INC.

CMS reporting company ID 100000000136

General Payments, PY2019; 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 1 of 617; records 1–50 of 30840 matching records. This page contains 50 records (maximum 50), not the full filtered export.

Filtered page: https://industrypayments.org/company/100000000136?year=2019&recipient=all#records-h

CMS source: https://openpaymentsdata.cms.gov/dataset/4e54dd6c-30f8-4f86-86a7-3c109a89528e

Cite these filtered records

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

Plain
EISAI INC., CMS reporting company ID 100000000136. General Payments, PY2019; 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 1 of 617; records 1–50 of 30840 matching records. This page contains 50 records (maximum 50), not the full filtered export. IndustryPayments. https://industrypayments.org/company/100000000136?year=2019&recipient=all#records-h. Source: https://openpaymentsdata.cms.gov/dataset/4e54dd6c-30f8-4f86-86a7-3c109a89528e.
APA 7
IndustryPayments. (2026). EISAI INC., CMS reporting company ID 100000000136. General Payments, PY2019; 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 1 of 617; records 1–50 of 30840 matching records. This page contains 50 records (maximum 50), not the full filtered export. [Filtered data set page]. https://industrypayments.org/company/100000000136?year=2019&recipient=all#records-h. Source: https://openpaymentsdata.cms.gov/dataset/4e54dd6c-30f8-4f86-86a7-3c109a89528e.
Bluebook
EISAI INC., CMS reporting company ID 100000000136, IndustryPayments, General Payments, PY2019; 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 1 of 617; records 1–50 of 30840 matching records. This page contains 50 records (maximum 50), not the full filtered export. Source: https://openpaymentsdata.cms.gov/dataset/4e54dd6c-30f8-4f86-86a7-3c109a89528e. https://industrypayments.org/company/100000000136?year=2019&recipient=all#records-h.

Centers for Medicare & Medicaid Services, Open Payments

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

Payment records · PY2019

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

General Payments · PY2019 · All recipient types · CMS publication 2026-06-30

30,840 matching records · $6,608,108.02 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 30,840 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 30,840.

Recipient Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
SUHAIL M OBAJI
Physician / non-physician practitioner
EISAI INC. $13.0112/31/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697022347 CMS
LUIS R BARRERAS
Physician / non-physician practitioner
EISAI INC. $18.2712/31/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697023149 CMS
QUENTIN S DICKINS
Physician / non-physician practitioner
EISAI INC. $12.6212/31/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697026427 CMS
OZGUR OZTAS
Physician / non-physician practitioner
EISAI INC. $14.4912/31/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697037621 CMS
TIMOTHY P HECKER
Physician / non-physician practitioner
EISAI INC. $14.4912/31/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697037623 CMS
CHARLES S MARKLE
Physician / non-physician practitioner
EISAI INC. $14.4912/31/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697038335 CMS
GREGORY P WARREN
Physician / non-physician practitioner
EISAI INC. $16.0012/31/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697040497 CMS
GARRY J BROWN
Physician / non-physician practitioner
EISAI INC. $16.9112/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697022221 CMS
LEONID SHUNYAKOV
Physician / non-physician practitioner
EISAI INC. $16.9112/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697022223 CMS
SHAILJA SHAH
Physician / non-physician practitioner
EISAI INC. $11.0112/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697022503 CMS
CHANDRAKANT C DESAI
Physician / non-physician practitioner
EISAI INC. $9.2212/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697022691 CMS
JIYON CHOI
Physician / non-physician practitioner
EISAI INC. $19.8812/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697022709 CMS
JACK F JACOUB
Physician / non-physician practitioner
EISAI INC. $15.3012/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697022877 CMS
AMOL RAJEEV H RAO
Physician / non-physician practitioner
EISAI INC. $15.2912/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697022879 CMS
ZHAO LU
Physician / non-physician practitioner
EISAI INC. $18.5012/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697023629 CMS
MING CHARLES LI
Physician / non-physician practitioner
EISAI INC. $23.8712/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697024217 CMS
ROBYN G YOUNG
Physician / non-physician practitioner
EISAI INC. $8.1912/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697026271 CMS
BARBARA A MCQUINN
Physician / non-physician practitioner
EISAI INC. $8.1912/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697026277 CMS
VIVEK R SHARMA
Physician / non-physician practitioner
EISAI INC. $17.2312/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697026281 CMS
ROBYN G YOUNG
Physician / non-physician practitioner
EISAI INC. $1.0012/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697026285 CMS
BARBARA A MCQUINN
Physician / non-physician practitioner
EISAI INC. $1.0012/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697026287 CMS
NAGESH KRISH
Physician / non-physician practitioner
EISAI INC. $13.0712/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697026425 CMS
JOSEPH R VOLK
Physician / non-physician practitioner
EISAI INC. $18.1612/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697026753 CMS
SHARON M ONDREYCO
Physician / non-physician practitioner
EISAI INC. $18.1612/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697026755 CMS
GOVARDHANAN NAGAIAH
Physician / non-physician practitioner
EISAI INC. $18.1612/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697026757 CMS
CHENTHILMURUGAN M RATHNASABAPATHY
Physician / non-physician practitioner
EISAI INC. $18.1612/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697026759 CMS
SHARON M ONDREYCO
Physician / non-physician practitioner
EISAI INC. $0.8112/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697026761 CMS
MATTHEW C HOLTZMAN
Physician / non-physician practitioner
EISAI INC. $24.9912/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697026919 CMS
RANAJIT SIL
Physician / non-physician practitioner
EISAI INC. $25.0012/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697027075 CMS
NILOFER NISAR
Physician / non-physician practitioner
EISAI INC. $24.9912/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697027077 CMS
CARL R WILLIS
Physician / non-physician practitioner
EISAI INC. $20.1512/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697027203 CMS
MAUNA B PANDYA
Physician / non-physician practitioner
EISAI INC. $17.1212/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697037487 CMS
MARK VELLEK
Physician / non-physician practitioner
EISAI INC. $14.9312/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697046203 CMS
GOVARDHANAN NAGAIAH
Physician / non-physician practitioner
EISAI INC. $0.8112/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697046643 CMS
VIJAY K CHHABRA
Physician / non-physician practitioner
EISAI INC. $18.5012/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697046989 CMS
KARL MALONE ROGERS
Physician / non-physician practitioner
EISAI INC. $20.1512/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697047015 CMS
ANDREW MCMORRIS ILIFF
Physician / non-physician practitioner
Eisai Inc. $14.9312/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 701431777 CMS
WILSON TONG
Physician / non-physician practitioner
Eisai Inc. $19.8812/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 701431877 CMS
MICHAEL GENE CHEZ
Physician / non-physician practitioner
EISAI INC. $35.2112/29/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697022719 CMS
ROBERT G MACGREGOR
Physician / non-physician practitioner
EISAI INC. $15.8912/29/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697022827 CMS
JOSEPH N TROPEA
Physician / non-physician practitioner
EISAI INC. $16.9612/29/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697023925 CMS
JOHN M HEMPHILL
Physician / non-physician practitioner
EISAI INC. $15.8812/29/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697046485 CMS
MICHAEL GENE CHEZ
Physician / non-physician practitioner
EISAI INC. $74.5712/28/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697022721 CMS
VENKAT PAVAN R KANCHARLA
Physician / non-physician practitioner
EISAI INC. $5.6312/28/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697046227 CMS
AZAD GHASSEMI
Physician / non-physician practitioner
EISAI INC. $74.5612/28/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697046469 CMS
HORST U KLUEPPELBERG
Physician / non-physician practitioner
EISAI INC. $12.9312/27/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697022227 CMS
ROSHNI MADAPPA KUNDRANDA
Physician / non-physician practitioner
EISAI INC. $12.9312/27/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697022229 CMS
MADAPPA N KUNDRANDA
Physician / non-physician practitioner
EISAI INC. $12.9212/27/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697022231 CMS
SHAKEELA W BAHADUR
Physician / non-physician practitioner
EISAI INC. $12.9312/27/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697022233 CMS
RAMI Y HADDAD
Physician / non-physician practitioner
EISAI INC. $22.6312/27/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697022677 CMS

Practitioner overview · all loaded program years

68,291 providers listed 317,084 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: 317,084
  • Providers listed: 68,291

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 $6,124,015.16 30,681 9,373 This company in PY2019 →
PY2020 $4,302,512.00 36,904 15,496 This company in PY2020 →
PY2021 $4,812,358.64 80,997 31,839 This company in PY2021 →
PY2022 $4,418,241.29 39,776 16,534 This company in PY2022 →
PY2023 $4,660,021.26 32,242 12,866 This company in PY2023 →
PY2024 $6,738,064.45 50,390 18,076 This company in PY2024 →
PY2025 $5,005,717.86 46,094 17,426 This company in PY2025 →

By recipient specialty (247)

Sorted by name; identical names by identifier.

Allopathic & Osteopathic Physicians 172 specialties 42,658 providers
Chiropractic Providers 4 specialties 18 providers
Dental Providers 5 specialties 33 providers
Eye and Vision Services Providers 3 specialties 12 providers
Nursing Service Providers 24 specialties 107 providers
Physician Assistants & Advanced Practice Nursing Providers 36 specialties 24,269 providers
Podiatric Medicine & Surgery Service Providers 3 specialties 38 providers

Providers listed (68,291)

Sorted by name; identical names by identifier.

ProviderSpecialtyStateRecords reported by this company
A DOUGLAS CHERVENAK Allopathic & Osteopathic Physicians|Family Medicine DE 3
A NARASIMHA RAO Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TX 4
A RIDGEWAY — AL 1
AABEDAH TAHER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Acute Care FL 1
AAISHAH VOHRA — TX 1
AAIZA H ABBAS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family VA 1
AAKASH BHARGAVA Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Pain Medicine CT 10
AALISHA V DESAI Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology IL 1
AAMER FAROOQ Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology NJ 6
AAMER HABIB Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology IL 13
AAMIR ALI — TX 1
AAMIR HASHMAT Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology MS 2
AAMIR HUSSAIN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology OH 2
AAMIR HUSSAIN Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology FL 3
AAMIR IQBAL Allopathic & Osteopathic Physicians|Hospitalist CA 6
AAMIR RASHEED Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology NY 11
AAMIR ZAMAN Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology NJ 2
AAMR ARIF HEREKAR Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TX 13
AANCHAL JAIN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology VA 11
AANCHAL TANEJA Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TX 8
AARAN M GASSIOTT Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TX 1
AARATI KESHARY Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology AR 1
AARON A AMBRAD Allopathic & Osteopathic Physicians|Radiology|Radiation Oncology AZ 20
AARON ALIZADEH Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology GA 1
AARON ARREDONDO Allopathic & Osteopathic Physicians|Emergency Medicine NY 1
AARON AVALLONE Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Psychiatry CO 5
AARON B HOUSE Allopathic & Osteopathic Physicians|Surgery KY 1
AARON B KAUFMAN Allopathic & Osteopathic Physicians|General Practice NM 1
AARON B SHIVES Allopathic & Osteopathic Physicians|Family Medicine SD 6
AARON BRADLEY THOMPSON Allopathic & Osteopathic Physicians|Family Medicine NC 1
AARON BRODSKY HEATH Allopathic & Osteopathic Physicians|Internal Medicine|Rheumatology MD 1
AARON BRUCE KOONCE Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology MO 4
AARON C CHIANG Allopathic & Osteopathic Physicians|Internal Medicine CA 1
AARON C ROBERTS Allopathic & Osteopathic Physicians|Internal Medicine|Sleep Medicine IN 1
AARON CARDON Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology with Special Qualifications in Child Neurology NM 10
AARON CHIDAKEL Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MD 1
AARON CLEVELAND DENSON Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology FL 53
AARON CROOKSHANK Allopathic & Osteopathic Physicians|Internal Medicine|Critical Care Medicine NJ 2
AARON D DOHENY Physician Assistants & Advanced Practice Nursing Providers|Clinical Nurse Specialist|Oncology FL 17
AARON D FREY Allopathic & Osteopathic Physicians|Family Medicine IN 1
AARON D MOORHOUSE Allopathic & Osteopathic Physicians|Family Medicine ID 6
AARON D ROBERDS Allopathic & Osteopathic Physicians|Family Medicine AR 2
AARON DAHL Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Psychiatry AZ 5
AARON DAVID HAYES Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family FL 2
AARON DAVID JARRETT Allopathic & Osteopathic Physicians|Family Medicine CO 1
AARON DAVID TOLAN Allopathic & Osteopathic Physicians|Internal Medicine SC 8
AARON DOUGLAS GARRETT Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner KY 5
AARON E MITSCHKE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family ME 5
AARON E WHITE Allopathic & Osteopathic Physicians|Family Medicine AR 1
AARON EBE EWERE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TX 1