Inogen, INC.

Reporting payments is a legal requirement; large totals often reflect large product portfolios.

$348Kgeneral payments (2019-2025)
$0.00research payments (2019-2025)
4,957clinicians paid

General and research payments are shown separately, never blended. Research payments are often institution-directed and tied to clinical trials.

General payments by year

2019 $263
2020 $1,076
2021 $2,580
2022 $64K
2023 $117K
2024 $41K
2025 $123K

General payments only, as reported to CMS. Research payments are totaled above and not included in these bars.

Products most associated with its payments

Specialties it works with most

Pulmonary Disease $196K
Family $31K
Critical Care Medicine (Internal Medicine) $24K
Internal Medicine $23K
Nurse Practitioner $13K
Family Medicine $12K

Clinicians with the largest reported totals

Often long-running consulting, speaking, or advisory relationships, which companies must report by law. A large total is not evidence of anything improper.

ClinicianLocationSpecialtyGeneral payments (2019-2025)
Heather Giannini Marlton, NJ Pulmonary Disease $18,885.15
Ayodeji Adegunsoye Chicago, IL Pulmonary Disease $12,323.50
Joao Deandrade Nashville, TN Pulmonary Disease $12,278.64
Wassim Labaki Ann Arbor, MI Pulmonary Disease $11,022.06
Alejandra Lastra Chicago, IL Pulmonary Disease $10,375.00
Jerry Krishnan Chicago, IL Pulmonary Disease $9,721.02
Neil Macintyre Durham, NC Critical Care Medicine (Internal Medicine) $9,500.00
Richard Casaburi Torrance, CA Pulmonary Disease $8,246.51
Frederic Seifer Potsdam, NY Pulmonary Disease $6,916.73
Colin Swenson Atlanta, GA Pulmonary Disease $5,819.81

Source: CMS Open Payments, program years 2019-2025, as reported to CMS by drug and device makers (published June 30, 2026). Drug and device detail covers 2023-2025.