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
HARRY F MOORE Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology GA $26.26
HARSHA VYAS Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology GA $18.77
HARVEY DOSIK Allopathic & Osteopathic Physicians|Internal Medicine|Hematology NY $12.71
HARVINDER SINGH Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology MD $23.87
HASSAN KALEEM Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology OK $41.38
HAVEN CALDWELL-SACHAR Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology GA $14.58
HAYLIE TRAN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family CA $25.78
HEATHER JAET SIMON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Women's Health LA $17.95
HEATHER LEE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner FL $19.78
HEATHER M GANNON STRINGER Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant IL $15.00
HEATHER R SHAH Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology AL $50.28
HEATHER R THOMAS-OSUNTOKUN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Women's Health GA $21.44
HEATHER REANNE SHAFFER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Acute Care PA $28.03
HEIDI E GODOY Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology NY $32,743.21
HELEN DINKELSPIEL ESHED Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology TX $275.20
HELEN M THACKRAY Allopathic & Osteopathic Physicians|Pediatrics DC $543,947.66
HELENA M IANNACCONE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health TX $20.78
HELPEES GEORGE NAEEM GUIRGUIS Allopathic & Osteopathic Physicians|Hospitalist CA $32.36
HEMALATHA VASIREDDY Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology NJ $14.49
HEMANG DAVE Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology NJ $14.11
HENRY J SHAPIRO Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology FL $19.84
HENRY PALANGDAO IGID Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology NV $29.60
HICHANG J CHOI Allopathic & Osteopathic Physicians|Internal Medicine CA $23.82
HILARY DOUGLAS HINSHAW Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology IN $25.34
HIMANI SINGH Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology CA $28.88
HIROSHI YAMAGATA Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology CA $25.39
HOLAVANAHALLI KESHAVA-PRASAD Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology NV $22.90
HOLLY CAROLINE JOHNSTON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner GA $22.71
HOLLY JANE SHANK Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant MI $68.88
HOMAYOON SHAHIDI Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology NV $25.53
HONG ZHAO Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology CA $16.00
HONG ZHOU Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family IN $413.43
HOWARD ADLER Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology FL $47.75
HOWARD MITCHELL GOODMAN Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology FL $27.76
HOWARD S YEH Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology CA $15.74
HOWARD S ZIPIN Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology PA $29.96
HSING-CHUN HSIEH Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Gerontology CA $16.58
HUGO R LARA-MARTINEZ Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology TX $116.61
HUI CHEN Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology CA $15.45
HUMBERTO JOSE CALDERA Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology FL $13.29
HUSSAIN M NASERI Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology IA $18.44
HUZEFA F BAHRAIN Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology MD $53.76
I-WEN CHANG Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology GA $19.36
IAN C COOK Allopathic & Osteopathic Physicians|Obstetrics & Gynecology VA $80.05
IKE ONWERE Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology OR $13.00
IKUMI SUZUKI Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology MD $23.87
ILDEFONSO I RODRIGUEZ RIVERA Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology TX $124.99
ILDIKO CSIKI Allopathic & Osteopathic Physicians|Radiology|Diagnostic Ultrasound PA $64.69
ILOABUEKE GABRIEL CHINEKE Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology WY $20.12
INDIRAMANI BIJI Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner FL $20.08