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
THOMAS HERZOG Allopathic & Osteopathic Physicians|Obstetrics & Gynecology ND $118.65
THOMAS J SPILLANE Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology CA $32.26
THOMAS JOHN HERZOG Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology OH $2,290.69
THOMAS JOSEPH REID Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology OH $16.81
THOMAS M NUMNUM Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology TN $195.19
THOMAS P HEFFERNAN Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology TX $110.81
THOMAS P MORRISSEY Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology FL $116.32
THU ANH TRINH Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family CA $27.75
TIANYI TANG Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology CA $24.40
TIFFANY A TROSO-SANDOVAL Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology NY $9,624.02
TIFFANY CONCEPCION MATSUO Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family MD $22.51
TIFFANY FRANCES AYAME HUMPHRIES Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner VA $27.65
TIFFANY H SVAHN Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology CA $24.40
TIFFANY LAI Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology HI $223.04
TIFFANY LEE BECK Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology CA $136.14
TIFFANY M JAGIELO Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family OH $27.22
TIFFANY MASTERS REDFERN Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology TX $242.69
TIFFANY T OOMMEN Allopathic & Osteopathic Physicians|Internal Medicine MD $23.27
TIMMY Q NGUYEN Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology FL $7,277.01
TIMOTHY D MOORE Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology OH $15.20
TIMOTHY J VANDERKWAAK Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology NC $14.99
TIMOTHY JOSEPH SOUCHEK Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant CA $32.26
TODD ADAM GERSTEN Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology FL $18.90
TODD D TILLMANNS Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology TN $138.88
TODD P THOMPSON FL $58.62
TOMMY R BUCHANAN Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology PA $124.63
TONI RENEE MILLER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner FL $115.67
TONY KURIAN Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology FL $24.84
TRACEY E KOLUND Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant NE $46.35
TRACIE ANN SWAFFORD Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant CA $18.15
TRACY COX GRIFFITH Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Gerontology AZ $125.00
TRACY LEE ADAMS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family FL $17.68
TRAVIS D NEWSOM Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family ID $32.33
TRAVIS T SIMS Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology TX $178.02
TRAVIS-RILEY K KORENAGA Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology HI $72.14
TULSI MANOJ PANDAT Allopathic & Osteopathic Physicians|Physical Medicine & Rehabilitation MO $110.81
TWINKLE D PATEL Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant IL $169.25
TYLER C FORD Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology VA $47.33
TYLER KANG Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology CA $16.50
TYLER O KIRBY Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology AL $101.37
TYLER PAUL AGEE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health OK $41.38
UDAY B DANDAMUDI Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology FL $18.31
ULADZISLAU NAIDZIONAK Allopathic & Osteopathic Physicians|Internal Medicine MO $21.34
UMA BORATE Allopathic & Osteopathic Physicians|Internal Medicine|Hematology OH $3,428.92
UMASANKAR RAMADOSS Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology MO $18.13
URSULA A MATULONIS Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology MA $187.58
VAIBHAV VERMA Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology OH $130.11
VAISHALI DOSHI Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology GA $22.98
VALENCIA D HAYES Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant FL $244.56
VALENTINA G GRINCHAK Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family NC $28.41