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
KAREN B DAWSON Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant CA $18.15
KAREN CABEZAS-GIL Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner FL $28.89
KAREN H LU Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology TX $63.33
KAREN JENG PEI SHOU Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology HI $108.57
KAREN L NOVAK Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Acute Care IL $163.58
KARI K SAVAGE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family SC $13.52
KARI SIERANT Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health NJ $13.82
KARIM ARNAOUT Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology MD $22.55
KARIM S ELSAHWI Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology NJ $14.22
KARRIE BARGO Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner AZ $125.00
KARTHI SUBBANNAN Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology GA $20.61
KARTHIK SHANKAR Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology PA $29.96
KASHIF A FIROZVI Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology MD $28.51
KASHIF ALI Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology MD $22.95
KASI NOVAK Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner IL $14.04
KATARZYNA E RELA Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health VA $141.22
KATE FREITAS MCCOOEY Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical NJ $14.34
KATELYN B PHILLIPS Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant NE $22.09
KATELYN BREANNA HOOD Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Acute Care AL $27.26
KATHERINE A ALEXANDER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner OH $15.20
KATHERINE A FITZPATRICK Physician Assistants & Advanced Practice Nursing Providers|Clinical Nurse Specialist|Oncology IA $18.38
KATHERINE BUCK Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family OK $9,256.54
KATHERINE L MONDADA Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant ID $17.91
KATHERINE MARY COHEN Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology CA $116.71
KATHLEEN B PUGH Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family AL $25.14
KATHLEEN C MENDHEIM Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner AL $25.14
KATHLEEN DOUGHNEY Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology FL $16.74
KATHLEEN E LAMBERT Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology GA $22.84
KATHLEEN LUTZ Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Obstetrics & Gynecology NY $213.71
KATHLEEN M TONKIN Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology NE $40.97
KATHLEEN M TOURTELLOTT Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner IL $20.96
KATHLEEN MOORE Allopathic & Osteopathic Physicians|Obstetrics & Gynecology OK $5,487.52
KATHLEEN SANTIAGO Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family AL $18.87
KATHRYN A WAGNER Allopathic & Osteopathic Physicians|Surgery TX $124.99
KATHRYN LYLE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Women's Health AL $2,415.65
KATHRYN S MILLER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TX $27.77
KATHY JO ROBB Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family CA $23.09
KATHY LEE FORD Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner TX $17.38
KATHY SAM Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology TX $51.79
KATHY YOU Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family CA $21.30
KATIE AMAKER LA $22.98
KATIE LITTEKEN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TX $27.48
KATRINA MICHALIK Physician Assistants & Advanced Practice Nursing Providers|Clinical Nurse Specialist|Acute Care NJ $13.33
KATRINA PAULINE EMMETT BIRDWELL Allopathic & Osteopathic Physicians|Surgery|Surgical Oncology TX $19.15
KATRINA SLAUGHTER WADE Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology LA $117.57
KATY LYNN HADDON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family FL $15.05
KAYLA F ARGUDO Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant PA $12.86
KAYLA HAINES Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner FL $18.90
KAYLA NICHOLE KAWIECKI Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant MA $13.55
KEISHA N RITTER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family MD $24.36