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
MARY J NINAN Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology GA $21.65
MARY L MATTEI Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Women's Health AL $32.49
MARY L MOLLOY Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant FL $31.54
MARY ROUGEAU BROWNING Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical FL $103.20
MARY ZIMNY Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner DE $28.74
MASUMEH RAFATI JAVIDAN Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology NY $12.71
MATTHEW A POWELL Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology MO $1,479.00
MATTHEW D TUCKER Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology AL $16.31
MATTHEW J CARLSON Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology TX $21.47
MATTHEW P SCHLUMBRECHT Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology FL $29.86
MATTHEW W CASSELL Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology MS $24.22
MATTHEW WILSON MCGEE Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology ND $20.30
MAUNA B PANDYA Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology IL $22.05
MAUREEN C BRACCO Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health CT $48.84
MAUREEN YOUNAN NJ $21.13
MAX FREDERICK BERGSTROM Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant NC $21.95
MAXWELL JANOSKY Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology NJ $136.21
MEAGHAN BROWN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Acute Care TX $13.20
MEGAN E GRUDEM Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner MN $49.60
MEGAN E LANIGAN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Women's Health PA $69.95
MEGAN ELYSE BUECHEL Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology IN $25.34
MEGAN INDERMAUR Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology FL $133.88
MEGAN L OSBORNE Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant GA $22.98
MEGAN M ABOODY Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant NY $13.32
MEGAN MCKEE Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology GA $20.56
MEGAN W TILLMAN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family AL $25.14
MEGHAN HANEWALL Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant IL $34.40
MEGHAN SHEA Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology MA $55.66
MEHMET G HEPGUR Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology FL $132.95
MEHMET S COPUR Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology NE $23.79
MELANIE B SCHWEIR Allopathic & Osteopathic Physicians|Obstetrics & Gynecology CO $22.82
MELANIE E SUAREZ-MURIAS Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical FL $31.09
MELANIE IRENE GALADZHYAN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Gerontology CA $28.69
MELANIE K VILARDO Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Acute Care NJ $13.62
MELANIE P COKER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family MS $165.90
MELISSA A CETAK Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology NE $21.70
MELISSA ANA LIRIANO VYFHUIS Allopathic & Osteopathic Physicians|Radiology|Radiation Oncology MD $23.87
MELISSA ANN CRAWLEY Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology TX $124.99
MELISSA ANN WILLS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family OH $130.11
MELISSA CHRISTINE EDGINTON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family CA $21.94
MELISSA E KRZUS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family IN $20.20
MELISSA HODEIB Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology CA $86.67
MELISSA L JAVELLANA Allopathic & Osteopathic Physicians|Obstetrics & Gynecology KS $80.05
MELISSA L PHAM Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TX $63.33
MELISSA M FRENCH Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Acute Care AL $41.31
MELISSA M HARDESTY Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology AK $125.00
MELISSA M KING Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology FL $14.38
MELISSA SUE MERICLE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family AZ $125.00
MELYSSA KYLE VAN DER STUYF Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health IL $17.30
MEREDITH J SELLECK Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology NH $86.62