Geron Corporation

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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 · PY2025

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

General Payments · PY2025 · All recipient types · CMS publication 2026-06-30

7,390 matching records · $1,558,626.05 reported total · 1 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 7,390 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 1,701–1,750 of 7,390.

Recipient Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
MARK DURANT DAVIS
Physician / non-physician practitioner
Geron Corporation $4,320.0010/22/2025 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: NEW
06/30/20261238898213 CMS
AMY M ETHRIDGE
Physician / non-physician practitioner
Geron Corporation $34.4510/22/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238898531 CMS
JEOUNG S KANG
Physician / non-physician practitioner
Geron Corporation $19.4310/22/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238899627 CMS
TIFFANY A LEE
Physician / non-physician practitioner
Geron Corporation $33.6110/22/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238900025 CMS
TASHA RENAE MOORE
Physician / non-physician practitioner
Geron Corporation $19.4810/22/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238900673 CMS
SARAH SHAPIRO
Physician / non-physician practitioner
Geron Corporation $24.6310/22/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238901821 CMS
JESSICA J SLABA
Physician / non-physician practitioner
Geron Corporation $343.0010/22/2025 Travel and Lodging No dispute reported Delay: No
Change: NEW
06/30/20261238902053 CMS
JESSICA J SLABA
Physician / non-physician practitioner
Geron Corporation $13.0010/22/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238902055 CMS
JESSICA J SLABA
Physician / non-physician practitioner
Geron Corporation $22.6010/22/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238902057 CMS
JESSICA J SLABA
Physician / non-physician practitioner
Geron Corporation $2,420.0010/22/2025 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: NEW
06/30/20261238902059 CMS
JESSICA J SLABA
Physician / non-physician practitioner
Geron Corporation $14.3610/22/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238902061 CMS
ROBERT E THOMAS
Physician / non-physician practitioner
Geron Corporation $31.0210/22/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238902455 CMS
GORGUN AKPEK
Physician / non-physician practitioner
Geron Corporation $19.1010/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238886417 CMS
SHOBHA CHITNENI
Physician / non-physician practitioner
Geron Corporation $25.6910/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238887680 CMS
BRIAN Y DONG
Physician / non-physician practitioner
Geron Corporation $39.8510/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238888156 CMS
BENJAMIN J GEORGE
Physician / non-physician practitioner
Geron Corporation $19.5410/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238888746 CMS
GRANT WILLIAM JIRKA
Physician / non-physician practitioner
Geron Corporation $34.8710/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238889584 CMS
RAJIV MALIK
Physician / non-physician practitioner
Geron Corporation $20.7210/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238891038 CMS
VINCENT MICHAEL NICCHI
Physician / non-physician practitioner
Geron Corporation $34.8710/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238891978 CMS
MICHELLE A OJEMUYIWA
Physician / non-physician practitioner
Geron Corporation $16.0110/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238892058 CMS
VIJAY N ROY
Physician / non-physician practitioner
Geron Corporation $16.9910/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238892972 CMS
VIVEK R SHARMA
Physician / non-physician practitioner
Geron Corporation $39.8510/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238893784 CMS
DAVID SHENEMAN
Physician / non-physician practitioner
Geron Corporation $34.8710/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238893877 CMS
LIN SOE
Physician / non-physician practitioner
Geron Corporation $19.1010/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238894311 CMS
JESSICA STINE
Physician / non-physician practitioner
Geron Corporation $28.3310/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238894581 CMS
MARIO B SY
Physician / non-physician practitioner
Geron Corporation $25.6910/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238894868 CMS
ROBERT W WEAVER
Physician / non-physician practitioner
Geron Corporation $28.3310/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238895939 CMS
ABDULRAHEEM YACOUB
Physician / non-physician practitioner
Geron Corporation $125.6010/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238896303 CMS
ALEXANDRA ALDERDICE
Physician / non-physician practitioner
Geron Corporation $35.5010/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238896839 CMS
ELAINE BEGLEY
Physician / non-physician practitioner
Geron Corporation $28.3310/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238897329 CMS
MELISSA CARVER
Physician / non-physician practitioner
Geron Corporation $28.3310/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238897773 CMS
JENNIFER CASTRO
Physician / non-physician practitioner
Geron Corporation $22.2510/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238897797 CMS
DEIRDRE CRISTEA
Physician / non-physician practitioner
Geron Corporation $22.2510/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238898065 CMS
VENIKA V FORD
Physician / non-physician practitioner
Geron Corporation $16.0110/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238898745 CMS
SARA MORRIS HANLY
Physician / non-physician practitioner
Geron Corporation $32.7510/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238899097 CMS
OLAJIRE O KILANKO
Physician / non-physician practitioner
Geron Corporation $125.6010/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238899705 CMS
SYLVIA PASIEKA
Physician / non-physician practitioner
Geron Corporation $16.9910/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238901057 CMS
KIMBERLY A RYAN
Physician / non-physician practitioner
Geron Corporation $1.9710/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238901583 CMS
KIMBERLY A RYAN
Physician / non-physician practitioner
Geron Corporation $23.3910/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238901585 CMS
WHITNEY DAWN SCHOENEMANN
Physician / non-physician practitioner
Geron Corporation $19.5410/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238901685 CMS
REBECCA S UMAYAM
Physician / non-physician practitioner
Geron Corporation $34.8710/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238902605 CMS
AMANDA LYNN WILBURN
Physician / non-physician practitioner
Geron Corporation $16.0110/21/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238902885 CMS
COOPER UNIVERSITY HOSPITAL
Teaching hospital
Geron Corporation $1,000.0010/21/2025 Space rental or facility fees (teaching hospital only) No dispute reported Delay: No
Change: NEW
06/30/20261238903109 CMS
SYED AHMED
Physician / non-physician practitioner
Geron Corporation $28.2110/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238886381 CMS
RAPHAEL CHARLES BOSSE
Physician / non-physician practitioner
Geron Corporation $31.4610/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238887204 CMS
BETY C CIOBANU
Physician / non-physician practitioner
Geron Corporation $26.1910/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238887752 CMS
DAVID M ELLISON
Physician / non-physician practitioner
Geron Corporation $25.6310/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238888296 CMS
ARMAAN HANDA
Physician / non-physician practitioner
Geron Corporation $25.6810/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238889154 CMS
JORGE HURTADO-CORDOVI
Physician / non-physician practitioner
Geron Corporation $26.0010/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238889412 CMS
MARK KARIDES
Physician / non-physician practitioner
Geron Corporation $26.1910/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238889766 CMS

Practitioner overview · all loaded program years

4,261 providers listed 7,822 records General Payments

General Payments to practitioners — all loaded program years

  • Category: General Payments
  • Program years: 2024, 2025
  • Record count: 7,822
  • Providers listed: 4,261

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
PY2024 $91,159.11 442 414 This company in PY2024 →
PY2025 $1,484,701.05 7,380 4,088 This company in PY2025 →

By recipient specialty (91)

Sorted by name; identical names by identifier.

Allopathic & Osteopathic Physicians 64 specialties 2,246 providers
Chiropractic Providers 1 specialty 1 providers
Dental Providers 2 specialties 3 providers
Eye and Vision Services Providers 1 specialty 1 providers
Nursing Service Providers 2 specialties 6 providers
Physician Assistants & Advanced Practice Nursing Providers 21 specialties 1,894 providers

Providers listed (4,261)

Sorted by name; identical names by identifier.

ProviderSpecialtyStateRecords reported by this company
AARON A AMBRAD Allopathic & Osteopathic Physicians|Radiology|Radiation Oncology AZ 2
AARON CLEVELAND DENSON Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology FL 1
AARON D DOHENY Physician Assistants & Advanced Practice Nursing Providers|Clinical Nurse Specialist|Oncology FL 3
AARON DAVID HAYES Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family FL 2
AARON L ANDERSON Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant IA 1
AARON M LAINE Allopathic & Osteopathic Physicians|Radiology|Radiation Oncology TX 2
AARON R ZARNOSKY Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant MI 2
AARON T GERDS Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology OH 2
ABBEY BRUNO Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family GA 2
ABBY C MARTENS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health AR 2
ABBY L KOONS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family IN 1
ABDUL HALAWI — MA 1
ABDULLAH MALAS Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology IL 1
ABDULRAHEEM YACOUB — KS 5
ABHAY SINGH Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology OH 11
ABHIJEET KUMAR Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology MD 1
ABHIJIT GODBOLE Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology AR 1
ABHINAV ROHATGI Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology NY 1
ABHISEK SWAIKA Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology NY 7
ABHISHEK SINGH Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology RI 1
ABIGAEL R MAGNO Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TX 1
ABIGAIL LEIGH MCNULTY Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner CO 1
ABRAHAM CHEONG Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology GA 2
ABY V JOSEPH Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family FL 4
ACHALA B DORAISWAMY Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology CA 3
ADAM BORUCHOV Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology CT 2
ADAM KIDWELL — WI 1
ADAM L WISOR Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health PA 2
ADDI LAUREN QUATTLEBAUM Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TN 1
ADDIE AUGUSTA HILL Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology GA 2
ADDIE H HOLCOMB Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Gerontology MS 1
ADELYNN V GERSTENBERGER Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant NC 1
ADITI CHOUDHRY Allopathic & Osteopathic Physicians|Internal Medicine CA 9
ADITI JOSHI SHASTRI Allopathic & Osteopathic Physicians|Family Medicine CA 2
ADITI SHASTRI Allopathic & Osteopathic Physicians|Internal Medicine TX 11
ADNAN HABIB Allopathic & Osteopathic Physicians|Internal Medicine AZ 1
ADRIA C DUBOSE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family LA 1
ADRIANNA MARIE DIVIERO Allopathic & Osteopathic Physicians|Internal Medicine AZ 1
ADRIENNE E WASSERMAN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner WA 1
AFSHAN ASHAI Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Psychiatry VA 1
AFSHIN GABAYAN Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology CA 2
AFTAB MAHMOOD Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology TX 5
AFTON M DICKERSON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Acute Care TX 3
AGATA KRASZEWSKA Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family NJ 6
AGNEL R RAPARTHI Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology OK 1
AGNES THERESA SALAMON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Primary Care NJ 1
AGNES TONKUMOH Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family OK 2
AGNIESZKA OGRODNIK Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner NJ 2
AHMAD A FORA Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology WA 2
AHMAD EL-FAR Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology FL 3