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 1,851–1,900 of 7,390.

Recipient Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
KOURTNEY RUSSO
Physician / non-physician practitioner
Geron Corporation $23.1110/17/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238901563 CMS
VALENTINA STERLIN
Physician / non-physician practitioner
Geron Corporation $24.0010/17/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238902217 CMS
YEKATERINA ZHUPAN
Physician / non-physician practitioner
Geron Corporation $24.0010/17/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238903091 CMS
JONATHAN ASIF ABBAS
Physician / non-physician practitioner
Geron Corporation $125.0910/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238886223 CMS
SUNJAY BARTON
Physician / non-physician practitioner
Geron Corporation $19.4210/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238886948 CMS
MANDEEP DHAMI
Physician / non-physician practitioner
Geron Corporation $22.7410/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238888074 CMS
MICHAEL E GALLOWAY
Physician / non-physician practitioner
Geron Corporation $98.5810/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238888656 CMS
VIVIAN D GRIFFIN
Physician / non-physician practitioner
Geron Corporation $22.3710/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238888988 CMS
DINESH KAPUR
Physician / non-physician practitioner
Geron Corporation $22.7410/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238889758 CMS
BRADLEY JG LARSON
Physician / non-physician practitioner
Geron Corporation $28.0010/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238890548 CMS
MARTIN MAJER
Physician / non-physician practitioner
Geron Corporation $23.7410/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238890980 CMS
BRITTANY MCCALL
Physician / non-physician practitioner
Geron Corporation $22.7410/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238891174 CMS
ANTON M MELNYK JR.
Physician / non-physician practitioner
Geron Corporation $25.7810/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238891482 CMS
MEGHANA PARSI
Physician / non-physician practitioner
Geron Corporation $19.4210/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238892188 CMS
CHARLESSE M PONDT
Physician / non-physician practitioner
Geron Corporation $16.0510/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238892478 CMS
JOANNE F ROSSMAN
Physician / non-physician practitioner
Geron Corporation $17.6010/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238892964 CMS
MONIQUE Z SAJJAD
Physician / non-physician practitioner
Geron Corporation $22.3710/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238893048 CMS
METLAPALLI VENKATA SRAVANTHI
Physician / non-physician practitioner
Geron Corporation $98.5810/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238894505 CMS
MICHAEL S STEINBERG
Physician / non-physician practitioner
Geron Corporation $19.4210/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238894561 CMS
ANITA SULTAN
Physician / non-physician practitioner
Geron Corporation $16.0510/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238894735 CMS
JOSEPH DERIT TE
Physician / non-physician practitioner
Geron Corporation $28.4110/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238895098 CMS
WALTER Y TSANG
Physician / non-physician practitioner
Geron Corporation $27.4610/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238895353 CMS
MARIANNE WUDARSKY
Physician / non-physician practitioner
Geron Corporation $22.7410/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238896241 CMS
JIE YANG
Physician / non-physician practitioner
Geron Corporation $22.7410/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238896350 CMS
CHARLES YEN
Physician / non-physician practitioner
Geron Corporation $27.9410/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238896431 CMS
APRIL ROSEMARIE CHIN
Physician / non-physician practitioner
Geron Corporation $19.4810/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238897857 CMS
GINA D DUGGAR
Physician / non-physician practitioner
Geron Corporation $28.0010/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238898427 CMS
ALEXANDRA M FEMC
Physician / non-physician practitioner
Geron Corporation $22.7410/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238898611 CMS
CATHERINE FERMIN JIMENEZ
Physician / non-physician practitioner
Geron Corporation $14.6710/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238898647 CMS
CHRISTINE HWANG
Physician / non-physician practitioner
Geron Corporation $14.6710/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238899449 CMS
NICOLE G MCKENZIE
Physician / non-physician practitioner
Geron Corporation $22.7410/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238900435 CMS
KELLY O'DONNELL
Physician / non-physician practitioner
Geron Corporation $16.0510/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238900877 CMS
LINDSEY LEANN PITTILLO
Physician / non-physician practitioner
Geron Corporation $25.7810/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238901159 CMS
CHRISTA L RUSH
Physician / non-physician practitioner
Geron Corporation $28.0010/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238901551 CMS
MARLENE SCHMITZ
Physician / non-physician practitioner
Geron Corporation $16.0510/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238901679 CMS
SCOTT A SHIRLEY
Physician / non-physician practitioner
Geron Corporation $19.4810/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238901877 CMS
NEJRA TABAKOVIC
Physician / non-physician practitioner
Geron Corporation $22.3710/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238902345 CMS
CHRISTOPHER A YANDELL
Physician / non-physician practitioner
Geron Corporation $16.5010/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238903027 CMS
MARIA VICTORIA C YOES
Physician / non-physician practitioner
Geron Corporation $25.7810/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238903039 CMS
KORY ZACHERY
Physician / non-physician practitioner
Geron Corporation $28.0010/16/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238903063 CMS
BARRY BERMAN
Physician / non-physician practitioner
Geron Corporation $25.2910/15/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238887042 CMS
SOLLY S CHEDID
Physician / non-physician practitioner
Geron Corporation $135.0010/15/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238887566 CMS
SOLLY S CHEDID
Physician / non-physician practitioner
Geron Corporation $608.3710/15/2025 Travel and Lodging No dispute reported Delay: No
Change: NEW
06/30/20261238887568 CMS
SOLLY S CHEDID
Physician / non-physician practitioner
Geron Corporation $189.7510/15/2025 Travel and Lodging No dispute reported Delay: No
Change: NEW
06/30/20261238887570 CMS
WAINA CHENG
Physician / non-physician practitioner
Geron Corporation $18.5410/15/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238887620 CMS
JAMIE LYNN KOPRIVNIKAR
Physician / non-physician practitioner
Geron Corporation $16.2410/15/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238890168 CMS
KATHERINE LINDER
Physician / non-physician practitioner
Geron Corporation $16.2410/15/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238890794 CMS
PATRICK P LITAM
Physician / non-physician practitioner
Geron Corporation $21.5910/15/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238890808 CMS
JAMES KEVIN MCCLOSKEY
Physician / non-physician practitioner
Geron Corporation $16.2410/15/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238891250 CMS
ALEX V MEJIA GARCIA
Physician / non-physician practitioner
Geron Corporation $135.0010/15/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/20261238891470 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