Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · PY2023–2024 Search official records Methodology

ImmunoGen, Inc.

1,930 providers listed $1,309,084.18 reported 3,344 records General Payments

General Payments reported — all loaded program years

$1,309,084.18

  • Category: General Payments
  • Program years: 2023, 2024
  • Record count: 3,344
  • Providers listed: 1,930

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
PY2023 $1,213,399.39 2,914 1,726
PY2024 $95,684.79 430 384

By recipient specialty (25 shown)

Sorted by reported total.

SpecialtyReportedRecordsProviders
Allopathic & Osteopathic Physicians|Pediatrics $543,966.53 20 2
Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology $475,320.74 924 282
Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology $92,652.22 696 503
Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology $60,680.26 216 149
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family $21,697.80 323 206
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Women's Health $20,923.13 104 36
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner $14,891.06 281 192
Allopathic & Osteopathic Physicians|Obstetrics & Gynecology $14,222.02 75 53
Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant $10,392.73 201 132
Allopathic & Osteopathic Physicians|Family Medicine $6,981.94 5 4
Eye and Vision Services Providers|Optometrist $6,620.07 36 23
Allopathic & Osteopathic Physicians|Internal Medicine $6,012.14 39 32
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Obstetrics & Gynecology $5,582.31 14 5
Allopathic & Osteopathic Physicians|Ophthalmology $4,620.32 14 10
Allopathic & Osteopathic Physicians|Internal Medicine|Hematology $3,909.48 20 13
Allopathic & Osteopathic Physicians|Ophthalmology|Cornea and External Diseases Specialist $3,742.62 8 5
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health $3,147.19 73 48
Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical $1,804.97 34 29
Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Surgical $1,600.15 24 18
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Gerontology $1,339.15 35 28
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Acute Care $1,192.37 36 27
Allopathic & Osteopathic Physicians|Ophthalmology|Retina Specialist $1,126.78 2 1
Allopathic & Osteopathic Physicians|Radiology|Radiation Oncology $1,079.16 31 27
Allopathic & Osteopathic Physicians|Pathology|Anatomic Pathology & Clinical Pathology $766.10 2 2
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Primary Care $468.75 11 8

Providers listed (1,930)

Sorted by name. Sort by amount instead

ProviderSpecialtyStateReported by this company
INGRID JOSEFINA RAMIREZ DIAZ Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology PR $17.48
INTISAR KHALIL Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner NJ $13.53
IOANA L BONDRE Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology TX $17.47
IOANNIS ALAGKIOZIDIS Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology NY $18.58
IRENE ELIZABETH ULM Allopathic & Osteopathic Physicians|Surgery TN $118.65
IRFAN B AHMED Allopathic & Osteopathic Physicians|Radiology|Radiation Oncology FL $27.82
IRINA RYBALOVA Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology NY $23.67
ISABELLA G CHEN Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology CA $27.01
ISMAIL MERT Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology IL $138.36
IVAN BIGLANG AWA Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Acute Care NY $22.27
IVO TENENG Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology MD $23.27
IWONA PODZIELINSKI Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology IN $138.19
IYAD S HAMARNEH Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology AZ $19.34
JACK D BURTON Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology NC $22.50
JACK H FREIMANN Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology CA $52.75
JACLYN L MEIS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family IA $40.73
JACOB TANGIR Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology FL $35.83
JACQUELINE A COX Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology AK $16.06
JACQUELINE BOHN Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology OK $125.43
JACQUELINE C BARRIENTOS Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology FL $24.78
JACQUELINE L ROETHLISBERGER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health OH $30.20
JACQUELYN P STEWART Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Women's Health OH $135.00
JAFFAR HILLI Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology MO $20.57
JAGATHI DEVI CHALLAGALLA Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology TX $27.48
JAIME L BETANCOURT Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Psychiatric/Mental Health NY $108.01
JAIME SCHOFIELD Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health PA $29.73
JAIMEE L ROOD Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner OH $17.14
JALESHA CHAYELLE GORDWIN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner GA $21.44
JAMES B SZENDER Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology TX $19.14
JAMES C CRIPE Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology IN $28.53
JAMES F MAHER Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology OH $29.78
JAMES J YEH Allopathic & Osteopathic Physicians|Internal Medicine CA $32.36
JAMES L MOORE Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology MS $52.23
JAMES LOUIS SPEARS Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology PA $28.03
JAMES TUCKER OSTEEN Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology TX $17.38
JAMEY C WARE Eye and Vision Services Providers|Optometrist IL $17.82
JAMIE A HILLMER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family SD $12.82
JAMIE LYNN STEELE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Gerontology FL $17.63
JAMIE RICH Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family AL $16.10
JANE D SKELTON Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology FL $22.04
JANELLE ASHMORE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TX $1,335.83
JANELLE L DAVISON Eye and Vision Services Providers|Optometrist GA $48.14
JANELLE M FAUCI Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology NC $116.76
JANET OSBORNE Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology VA $137.61
JANET PAN CA $94.89
JANET WILLIAM Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner CA $21.60
JANICE TRAN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health TX $129.32
JARRED P REED Allopathic & Osteopathic Physicians|Internal Medicine CA $29.21
JASMINE NICOLE SPEARMAN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner LA $48.67
JASON K HO Allopathic & Osteopathic Physicians|Family Medicine CA $47.59