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 year	Reported	Records	Providers
PY2023	$1,213,399.39	2,914	1,726
PY2024	$95,684.79	430	384

By recipient specialty (25 shown)

Sorted by reported total.

Specialty	Reported	Records	Providers
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

Provider	Specialty	State	Reported by this company
RICHARD Y CHANG	Allopathic & Osteopathic Physicians\|Internal Medicine\|Hematology & Oncology	OH	$16.28
RICKY TONG	Allopathic & Osteopathic Physicians\|Radiology\|Vascular & Interventional Radiology	PA	$29.96
RIMA PARALKAR LINVILLE	Physician Assistants & Advanced Practice Nursing Providers\|Physician Assistant	TX	$175.82
RINA K PATEL	Allopathic & Osteopathic Physicians\|Internal Medicine\|Medical Oncology	FL	$18.36
RIOLIZ RAGASA WEAVER	Physician Assistants & Advanced Practice Nursing Providers\|Nurse Practitioner	OK	$15.66
RISHI PATEL	Allopathic & Osteopathic Physicians\|Internal Medicine\|Hematology & Oncology	AL	$23.02
ROBERT A AVERY	Allopathic & Osteopathic Physicians\|Internal Medicine\|Hematology & Oncology	AL	$18.87
ROBERT A HAVARD	Allopathic & Osteopathic Physicians\|Internal Medicine\|Medical Oncology	CA	$29.20
ROBERT C FRAZIER	Allopathic & Osteopathic Physicians\|Radiology\|Radiation Oncology	MO	$22.05
ROBERT JOHN MARCH	Allopathic & Osteopathic Physicians\|Internal Medicine\|Hematology & Oncology	NY	$21.58
ROBERT L ROBLES	Allopathic & Osteopathic Physicians\|Internal Medicine\|Hematology & Oncology	CA	$24.40
ROBERT LOUIS COLEMAN	Allopathic & Osteopathic Physicians\|Obstetrics & Gynecology\|Gynecologic Oncology	TX	$2,180.92
ROBERT M GELFAND	Allopathic & Osteopathic Physicians\|Internal Medicine\|Hematology & Oncology	NY	$28.94
ROBERT M ORE	Allopathic & Osteopathic Physicians\|Obstetrics & Gynecology\|Gynecologic Oncology	WA	$36.03
ROBERT NAGOURNEY	—	CA	$50.36
ROBERT REILLY	Allopathic & Osteopathic Physicians\|Internal Medicine\|Hematology & Oncology	PA	$28.80
ROBERT T MORRIS	Allopathic & Osteopathic Physicians\|Obstetrics & Gynecology\|Gynecologic Oncology	MI	$46,654.33
ROBERT W WEAVER	Allopathic & Osteopathic Physicians\|Internal Medicine\|Medical Oncology	FL	$1,638.78
ROBERT WENDEL NAUMANN	Allopathic & Osteopathic Physicians\|Obstetrics & Gynecology\|Gynecologic Oncology	NC	$118.65
ROBERTO F MARTINEZ	Allopathic & Osteopathic Physicians\|Internal Medicine\|Hematology & Oncology	NY	$26.43
ROBERTO MONTOYA BARRAZA	Allopathic & Osteopathic Physicians\|Internal Medicine\|Hematology & Oncology	IL	$20.96
ROBIN A LACOUR	Allopathic & Osteopathic Physicians\|Obstetrics & Gynecology\|Gynecologic Oncology	CO	$24.91
ROBIN SCOTT DIBIASE	Physician Assistants & Advanced Practice Nursing Providers\|Nurse Practitioner	CA	$32.26
ROCHELE SPIRES	Physician Assistants & Advanced Practice Nursing Providers\|Physician Assistant\|Medical	GA	$21.44
RODNEY A BEATY	Physician Assistants & Advanced Practice Nursing Providers\|Physician Assistant	CA	$23.09
RODNEY P ROCCONI	Allopathic & Osteopathic Physicians\|Obstetrics & Gynecology\|Gynecologic Oncology	MS	$6,724.18
ROGER D ROSENSTOCK	Allopathic & Osteopathic Physicians\|Internal Medicine\|Hematology & Oncology	FL	$13.29
ROGER M LYONS	Allopathic & Osteopathic Physicians\|Internal Medicine\|Hematology	TX	$124.99
ROISIN E OCEARBHAILL	Allopathic & Osteopathic Physicians\|Internal Medicine\|Medical Oncology	NY	$89.95
RONALD DALE LEBLANC	Allopathic & Osteopathic Physicians\|Internal Medicine\|Hematology & Oncology	LA	$23.32
RONALD SHADE	Allopathic & Osteopathic Physicians\|Internal Medicine\|Hematology & Oncology	IL	$19.08
RONALD TANG	Allopathic & Osteopathic Physicians\|Internal Medicine\|Hematology & Oncology	CA	$152.33
ROOPA GUPTA	Allopathic & Osteopathic Physicians\|Internal Medicine\|Hematology & Oncology	MD	$27.05
ROSA A GUERRA	Allopathic & Osteopathic Physicians\|Obstetrics & Gynecology\|Gynecologic Oncology	TX	$132.78
ROSA ESPINOSA	Physician Assistants & Advanced Practice Nursing Providers\|Nurse Practitioner	FL	$119.19
ROSA MILLER POLAN	Allopathic & Osteopathic Physicians\|Obstetrics & Gynecology	GA	$142.25
ROSS E KERNS	Allopathic & Osteopathic Physicians\|Internal Medicine\|Hematology & Oncology	TN	$22.77
ROXANA RODRIGUEZ	Physician Assistants & Advanced Practice Nursing Providers\|Nurse Practitioner\|Gerontology	FL	$19.56
ROZINA A CHOWDHERY	Allopathic & Osteopathic Physicians\|Internal Medicine\|Hematology & Oncology	IN	$18.01
RUBEN A SAEZ	Allopathic & Osteopathic Physicians\|Internal Medicine\|Hematology & Oncology	TX	$19.78
RUBINA RATNAPARKHI	Allopathic & Osteopathic Physicians\|Obstetrics & Gynecology	IL	$80.05
RUCHI GARG	Allopathic & Osteopathic Physicians\|Obstetrics & Gynecology\|Gynecologic Oncology	GA	$22,817.74
RUFINA P MIEL	Allopathic & Osteopathic Physicians\|Internal Medicine\|Hematology & Oncology	CA	$47.98
RUSSELL J SCHILDER	Allopathic & Osteopathic Physicians\|Internal Medicine\|Medical Oncology	PA	$42.01
RUTH R SARMIENTO	Allopathic & Osteopathic Physicians\|Internal Medicine\|Hematology & Oncology	GA	$20.20
RYAN CHASE SPERL	Physician Assistants & Advanced Practice Nursing Providers\|Physician Assistant	TX	$27.40
RYAN KOCH	Allopathic & Osteopathic Physicians\|Internal Medicine\|Medical Oncology	AR	$22.34
S MARIE BELL HAMILTON	Physician Assistants & Advanced Practice Nursing Providers\|Nurse Practitioner	TN	$29.63
SABIHA PASHA	Allopathic & Osteopathic Physicians\|Internal Medicine	CA	$19.06
SABINA SHAY	Physician Assistants & Advanced Practice Nursing Providers\|Nurse Practitioner\|Family	PA	$224.59