INOGEN, INC.

4,957 providers listed $348,476.47 reported 12,842 records General Payments

General Payments reported — all loaded program years

$348,476.47

Category: General Payments
Program years: 2019, 2020, 2021, 2022, 2023, 2024, 2025
Record count: 12,842
Providers listed: 4,957

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
PY2019	$262.80	16	16
PY2020	$1,075.83	47	46
PY2021	$2,580.36	126	126
PY2022	$64,235.66	3,162	2,028
PY2023	$116,655.30	5,743	2,349
PY2024	$40,619.38	2,167	1,250
PY2025	$123,047.14	1,581	1,059

By recipient specialty (25 shown)

Sorted by reported total.

Specialty	Reported	Records	Providers
Allopathic & Osteopathic Physicians\|Internal Medicine\|Pulmonary Disease	$196,159.14	5,464	1,669
Physician Assistants & Advanced Practice Nursing Providers\|Nurse Practitioner\|Family	$31,292.90	2,038	793
Allopathic & Osteopathic Physicians\|Internal Medicine\|Critical Care Medicine	$23,946.59	541	212
Allopathic & Osteopathic Physicians\|Internal Medicine	$22,924.41	884	492
Physician Assistants & Advanced Practice Nursing Providers\|Nurse Practitioner	$13,538.96	844	274
Allopathic & Osteopathic Physicians\|Family Medicine	$12,361.44	762	492
Physician Assistants & Advanced Practice Nursing Providers\|Physician Assistant	$8,309.94	506	259
Allopathic & Osteopathic Physicians\|Internal Medicine\|Cardiovascular Disease	$5,846.73	55	46
Allopathic & Osteopathic Physicians\|Internal Medicine\|Endocrinology, Diabetes & Metabolism	$5,688.44	33	12
Physician Assistants & Advanced Practice Nursing Providers\|Nurse Practitioner\|Acute Care	$4,984.74	321	132
Physician Assistants & Advanced Practice Nursing Providers\|Physician Assistant\|Medical	$4,617.61	291	100
Physician Assistants & Advanced Practice Nursing Providers\|Nurse Practitioner\|Adult Health	$4,036.68	268	93
Physician Assistants & Advanced Practice Nursing Providers\|Nurse Practitioner\|Gerontology	$2,065.25	134	34
Allopathic & Osteopathic Physicians\|Internal Medicine\|Sleep Medicine	$1,844.25	128	50
Allopathic & Osteopathic Physicians\|Emergency Medicine	$1,525.77	11	9
Physician Assistants & Advanced Practice Nursing Providers\|Nurse Practitioner\|Primary Care	$862.32	49	29
Allopathic & Osteopathic Physicians\|Psychiatry & Neurology\|Sleep Medicine	$786.40	59	7
Allopathic & Osteopathic Physicians\|Internal Medicine\|Rheumatology	$538.75	30	11
Allopathic & Osteopathic Physicians\|Hospitalist	$392.23	26	20
Allopathic & Osteopathic Physicians\|Internal Medicine\|Infectious Disease	$357.02	24	9
Allopathic & Osteopathic Physicians\|Internal Medicine\|Geriatric Medicine	$321.47	15	12
Allopathic & Osteopathic Physicians\|Physical Medicine & Rehabilitation	$320.36	15	2
Allopathic & Osteopathic Physicians\|Internal Medicine\|Nephrology	$312.29	20	4
Physician Assistants & Advanced Practice Nursing Providers\|Nurse Practitioner\|Critical Care Medicine	$309.61	20	8
Allopathic & Osteopathic Physicians\|Internal Medicine\|Gastroenterology	$302.31	13	4

Providers listed (4,957)

Sorted by name. Sort by amount instead

Provider	Specialty	State	Reported by this company
MICHAEL MACKLIN	Allopathic & Osteopathic Physicians\|Internal Medicine\|Rheumatology	IL	$77.90
MICHAEL MARSH	Allopathic & Osteopathic Physicians\|Internal Medicine\|Pulmonary Disease	FL	$19.20
MICHAEL MORRIS	Physician Assistants & Advanced Practice Nursing Providers\|Nurse Practitioner\|Family	CO	$8.86
MICHAEL N MEGALLY	Allopathic & Osteopathic Physicians\|Internal Medicine\|Pulmonary Disease	NY	$60.73
MICHAEL OVERDAHL	Allopathic & Osteopathic Physicians\|Internal Medicine\|Pulmonary Disease	IN	$45.86
MICHAEL P HOUSTON	Allopathic & Osteopathic Physicians\|Internal Medicine\|Pulmonary Disease	AL	$35.07
MICHAEL P KAUZLARICH	Allopathic & Osteopathic Physicians\|Family Medicine	TN	$52.40
MICHAEL P LAMPARELLI	Allopathic & Osteopathic Physicians\|Family Medicine	FL	$23.39
MICHAEL P MCCARTHY	Allopathic & Osteopathic Physicians\|Internal Medicine\|Pulmonary Disease	LA	$8.53
MICHAEL P RAMOS	Allopathic & Osteopathic Physicians\|Internal Medicine\|Pulmonary Disease	TN	$42.71
MICHAEL P TONNER	Allopathic & Osteopathic Physicians\|Internal Medicine\|Pulmonary Disease	FL	$23.26
MICHAEL PATRICK BORBELY	Allopathic & Osteopathic Physicians\|Internal Medicine\|Pulmonary Disease	CO	$11.40
MICHAEL PATRICK HUNTER	Allopathic & Osteopathic Physicians\|Internal Medicine\|Pulmonary Disease	TX	$8.25
MICHAEL PAUL HARRINGTON	Podiatric Medicine & Surgery Service Providers\|Podiatrist	MA	$21.61
MICHAEL POST	Allopathic & Osteopathic Physicians\|Internal Medicine\|Pulmonary Disease	PA	$14.32
MICHAEL PURUCKHERR	Allopathic & Osteopathic Physicians\|Internal Medicine\|Pulmonary Disease	WA	$23.86
MICHAEL R MOTTA	Allopathic & Osteopathic Physicians\|Internal Medicine\|Pulmonary Disease	TX	$18.20
MICHAEL R SEITZ	Physician Assistants & Advanced Practice Nursing Providers\|Nurse Practitioner\|Family	FL	$11.07
MICHAEL R WARD	Allopathic & Osteopathic Physicians\|Surgery	PA	$25.29
MICHAEL ROSS LAFFER	Allopathic & Osteopathic Physicians\|Internal Medicine\|Pulmonary Disease	MI	$83.70
MICHAEL RUSSONIELLO	Allopathic & Osteopathic Physicians\|Internal Medicine\|Pulmonary Disease	NJ	$29.21
MICHAEL S ALVAREZ	Allopathic & Osteopathic Physicians\|Internal Medicine\|Pulmonary Disease	FL	$21.25
MICHAEL S COLLIER	Allopathic & Osteopathic Physicians\|Internal Medicine	TN	$15.11
MICHAEL S CORCORAN	Physician Assistants & Advanced Practice Nursing Providers\|Nurse Practitioner\|Family	CO	$55.13
MICHAEL S HULL	Allopathic & Osteopathic Physicians\|Internal Medicine\|Pulmonary Disease	OK	$89.04
MICHAEL SHAMAINE HOFFMAN	Allopathic & Osteopathic Physicians\|Internal Medicine\|Pulmonary Disease	IA	$12.60
MICHAEL SHANE HORD	Allopathic & Osteopathic Physicians\|Family Medicine	TX	$4.01
MICHAEL SHAPIRO	Allopathic & Osteopathic Physicians\|Internal Medicine\|Pulmonary Disease	TX	$48.14
MICHAEL STANCHINA	Allopathic & Osteopathic Physicians\|Internal Medicine\|Pulmonary Disease	RI	$36.20
MICHAEL T HEMPHILL	Allopathic & Osteopathic Physicians\|Internal Medicine\|Pulmonary Disease	OK	$143.32
MICHAEL T MCCORMACK	Allopathic & Osteopathic Physicians\|Internal Medicine\|Pulmonary Disease	TN	$56.32
MICHAEL TANDON	Allopathic & Osteopathic Physicians\|Family Medicine	OH	$11.18
MICHAEL V COMO	Allopathic & Osteopathic Physicians\|Internal Medicine\|Pulmonary Disease	NY	$47.26
MICHAEL V WOODBRIDGE	Allopathic & Osteopathic Physicians\|Internal Medicine	NC	$5.63
MICHAEL W HENIFF	Allopathic & Osteopathic Physicians\|Internal Medicine\|Pulmonary Disease	IL	$19.08
MICHAEL WARREN RAYBURN	Physician Assistants & Advanced Practice Nursing Providers\|Physician Assistant	GA	$16.78
MICHAEL WILLIAM GRAHAM	Allopathic & Osteopathic Physicians\|Internal Medicine\|Pulmonary Disease	OH	$17.00
MICHAEL WILONS	Allopathic & Osteopathic Physicians\|Internal Medicine\|Pulmonary Disease	TN	$33.80
MICHAEL Z PEARSON	Allopathic & Osteopathic Physicians\|Internal Medicine	TN	$12.99
MICHAELE CHRISTINE OOSTENDORP	Allopathic & Osteopathic Physicians\|Internal Medicine	MI	$14.65
MICHELE RICHARDSON	Physician Assistants & Advanced Practice Nursing Providers\|Nurse Practitioner\|Family	FL	$26.04
MICHELE W MARANTO	Physician Assistants & Advanced Practice Nursing Providers\|Nurse Practitioner	OK	$3.25
MICHELLE A HOMAN	Allopathic & Osteopathic Physicians\|Internal Medicine\|Pulmonary Disease	KS	$36.60
MICHELLE A YOUNG	Physician Assistants & Advanced Practice Nursing Providers\|Physician Assistant	SC	$30.17
MICHELLE ANN SMITH	Physician Assistants & Advanced Practice Nursing Providers\|Nurse Practitioner\|Family	OH	$52.82
MICHELLE ARRIETA-GONZALEZ	Allopathic & Osteopathic Physicians\|Internal Medicine	FL	$22.69
MICHELLE D BOLYARD	Physician Assistants & Advanced Practice Nursing Providers\|Nurse Practitioner\|Gerontology	IN	$80.15
MICHELLE D SNODGRASS	Physician Assistants & Advanced Practice Nursing Providers\|Nurse Practitioner\|Family	TN	$11.10
MICHELLE DENISE LUGO	Physician Assistants & Advanced Practice Nursing Providers\|Nurse Practitioner	CO	$37.20
MICHELLE INIGUEZ	Physician Assistants & Advanced Practice Nursing Providers\|Nurse Practitioner\|Family	TX	$20.55