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
KRISTEN KELLEY Allopathic & Osteopathic Physicians|Family Medicine NY $6,901.89
KRISTEN LAMOREAU Eye and Vision Services Providers|Optometrist MA $582.00
KRISTEN RIDGEWAY Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant MD $22.51
KRISTI L ALTHOF Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family PA $124.99
KRISTIN DAVIS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family MI $128.25
KRISTIN J BIETZ Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner SD $22.90
KRISTIN J WITTE Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant MI $258.33
KRISTIN M KOERTEN Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant WI $95.81
KRISTIN SCHWARTZ Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Gerontology SC $13.52
KRISTINA LYNN BENFORD Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family MI $175.71
KRISTINA M RIEFFENBERGER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family SD $39.60
KRISTINA TRAIL Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family AL $33.92
KRISTOPHER J KIMBALL Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology TN $88.12
KRISTOPHER S LYBARGER Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology MO $6,551.74
KRISZTINA ILONA LARSON Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology CA $48.94
KRYSTAN D LOZAN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner FL $14.67
KYAW ZIN THEIN Allopathic & Osteopathic Physicians|Internal Medicine|Hematology NV $22.90
LABIB HASHIMI Allopathic & Osteopathic Physicians|Internal Medicine|Hematology CA $25.86
LABRITTANY RASHUN DAVIS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Women's Health GA $91.09
LACEY ASHTON MIRANDA Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Surgical GA $22.04
LAI XU Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology IL $21.71
LAINIE MARTIN Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology PA $156.70
LAKSHMINARAYANAN L NANDAGOPAL Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology VA $27.65
LALIT ANEJA Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology FL $28.08
LALITA HEMANT PANDIT Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology CA $59.78
LANY S AVAKIAN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner CA $25.68
LARISSA CELLES Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Gerontology CA $32.36
LARISSA MATTEI Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology MA $126.00
LARRY C KILGORE Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology TN $112.55
LASIKA C SENEVIRATNE Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology CA $47.59
LAURA ANN DAVIS Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Surgical TX $288.60
LAURA ASHLEY SMITH Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family FL $18.51
LAURA ERIN LONG Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Surgical IN $25.34
LAURA J NENNIG Eye and Vision Services Providers|Optometrist MO $76.61
LAURA L FELLER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Gerontology IN $13.59
LAURA L WILLIAMS Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology TN $29.09
LAURA LOVINGGOOD EVANS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner GA $47.40
LAURA R DAILY Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecology MS $34.72
LAURA ROMUNDSTAD Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health AL $20.29
LAURA SPENCER SIMEONE Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant AL $50.28
LAURE CECILE GOUDIABY Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family MD $24.05
LAUREN BROOKE WINNINGHAM Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner IN $17.12
LAUREN E CZECH Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Women's Health DE $120.00
LAUREN G KING Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Gerontology AL $33.51
LAUREN GRAVOIS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family FL $15.40
LAUREN HARE Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant MD $23.87
LAUREN M RUSKELL Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family CA $124.99
LAUREN NICOLE AKAHOSHI Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant CA $27.88
LAUREN R GILLAN Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant CA $27.31
LAURIE A CUCCO Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family NJ $147.01