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
SNEHAL M BHOOLA Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology GA $92.50
SONIA KOSHY Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecology TX $14.80
SPENCER BACHOW Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology FL $25.71
SREENIVASA RAO NATTAM Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology IN $17.12
SRINI B REDDY Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology TX $17.38
STACEY MCGRADY Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family AL $45.89
STACI THOMAS BENNETT Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner GA $106.75
STACIE ANN KALEHUAMAKANOE RAMOS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner CA $20.25
STACY JEAN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family FL $17.63
STANLEY NABRINSKY Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology IL $17.29
STAR YE AL $28.35
STELLA K KIM Allopathic & Osteopathic Physicians|Ophthalmology|Cornea and External Diseases Specialist TX $1,306.78
STEPHAN DORKHOM Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology NJ $13.53
STEPHANIE A WISHNEV Allopathic & Osteopathic Physicians|Colon & Rectal Surgery NV $25.74
STEPHANIE FUSSELL Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology MS $23.64
STEPHANIE HORROCKS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner MD $26.10
STEPHANIE HRNCHAR Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner OH $118.75
STEPHANIE J CARSON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Acute Care SC $18.66
STEPHANIE L GAILLARD Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology MD $114.69
STEPHANIE N CHURA Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical MO $14.15
STEPHANIE SULLIVAN Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology TN $141.20
STEPHANIE ZUREICK Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant MD $27.83
STEPHEN BECK Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology AL $84.57
STEPHEN F ANDREWS Allopathic & Osteopathic Physicians|Radiology|Radiation Oncology SC $17.14
STEPHEN H BUSH Allopathic & Osteopathic Physicians|Obstetrics & Gynecology WV $70.99
STEPHEN HUANG Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology CA $25.84
STEPHEN N MAKONI Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology FL $42.78
STEPHEN S SALMIERI Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology GA $24.31
STEVEN CORSO Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology SC $22.53
STEVEN F LARSEN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner UT $47.44
STEVEN H STOKES Allopathic & Osteopathic Physicians|Radiology|Therapeutic Radiology FL $17.68
STEVEN J HAGER Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology CA $23.58
STEVEN KANTER Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology IL $24.35
STEVEN NILS LUMINAIS Allopathic & Osteopathic Physicians|Internal Medicine CA $32.36
STEVEN P HEDDINGER Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology IA $17.20
STEVEN SIWEI YU Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology CA $21.71
STEVEN TAI Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant CA $101.43
STEVEN W MAMUS Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology FL $16.79
STEVEN WEISS FL $19.56
STEVIE CAMP Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family FL $89.91
STORMIE SYNOAH PEREA Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Women's Health AL $58.13
SUDARSHAN K SHARMA Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology IL $18.00
SUE LEE KIM Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family GA $24.31
SUEYI LAI Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology IN $20.38
SUJIE TANG Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology CA $41.35
SUMBAL NABI Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology OK $15.66
SUMIT SAWHNEY Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology FL $22.14
SUMMER B DEWDNEY Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology IL $138.36
SUNGWON RACHEL KYUNG Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology CA $47.59
SUNIL A PATEL Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology TX $24.00