Payment Breakdown by Category
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Travel and Lodging | $4,500 | 26 | 65.0% |
| Food and Beverage | $2,342 | 25 | 33.8% |
| Education | $74.12 | 4 | 1.1% |
| Gift | $8.74 | 1 | 0.1% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| INTUITIVE SURGICAL, INC. | $3,199 | 22 | $0 (2024) |
| Ethicon Inc. | $1,294 | 11 | $0 (2024) |
| Pulmonx Corporation | $1,114 | 4 | $0 (2023) |
| Noah Medical Corporation | $441.33 | 4 | $0 (2024) |
| Inari Medical, Inc. | $200.00 | 2 | $0 (2021) |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $198.82 | 5 | $0 (2019) |
| Medical Device Business Services, Inc. | $120.00 | 1 | $0 (2019) |
| Gilead Sciences, Inc. | $110.70 | 1 | $0 (2023) |
| ABIOMED | $96.92 | 1 | $0 (2022) |
| ZOLL Circulation Inc | $48.00 | 1 | $0 (2018) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $3,632 | 26 | INTUITIVE SURGICAL, INC. ($3,118) |
| 2023 | $509.13 | 8 | Ethicon Inc. ($300.09) |
| 2022 | $178.05 | 2 | ABIOMED ($96.92) |
| 2021 | $100.00 | 1 | Inari Medical, Inc. ($100.00) |
| 2020 | $867.87 | 6 | Ethicon Inc. ($745.91) |
| 2019 | $1,552 | 11 | Pulmonx Corporation ($1,057) |
| 2018 | $86.00 | 2 | ZOLL Circulation Inc ($48.00) |
All Payment Transactions
56 individual payment records from CMS Open Payments — Page 3 of 3
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 05/31/2019 | Ethicon Inc. | MONARCH (Device) | Travel and Lodging | In-kind items and services | $86.50 | General |
| Category: ENDO-MECHANICAL | ||||||
| 05/22/2019 | Boehringer Ingelheim Pharmaceuticals, Inc. | — | Food and Beverage | In-kind items and services | $98.84 | General |
| 03/08/2019 | Boehringer Ingelheim Pharmaceuticals, Inc. | SPIRIVA RESPIMAT (Drug) | Education | In-kind items and services | $7.08 | General |
| Category: RESPIRATORY | ||||||
| 03/01/2019 | Boehringer Ingelheim Pharmaceuticals, Inc. | SPIRIVA RESPIMAT (Drug) | Education | In-kind items and services | $7.08 | General |
| Category: RESPIRATORY | ||||||
| 07/10/2018 | ZOLL Circulation Inc | Temperature Management System (Device), Catheter, Temperature Management System Start-Up Kit | Food and Beverage | Cash or cash equivalent | $48.00 | General |
| Category: Temperature Management | ||||||
| 03/22/2018 | Genentech USA, Inc. | Esbriet (Biological) | Education | In-kind items and services | $38.00 | General |
| Category: Immunology | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 23 | 1,021 | 1,424 | $496,062 | $93,727 |
| 2022 | 22 | 1,084 | 1,485 | $412,441 | $97,377 |
| 2021 | 20 | 984 | 1,327 | $394,982 | $99,072 |
| 2020 | 20 | 1,035 | 1,398 | $406,140 | $97,540 |
All Medicare Procedures & Services
98 procedure records from CMS Medicare Utilization — Page 4 of 4
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99291 | Critical care delivery critically ill or injured patient, first 30-74 minutes | Facility | 2020 | 74 | 136 | $94,656 | $23,549 | 24.9% |
| 99233 | Subsequent hospital inpatient care, typically 35 minutes per day | Facility | 2020 | 89 | 169 | $54,587 | $13,966 | 25.6% |
| 99223 | Initial hospital inpatient care, typically 70 minutes per day | Facility | 2020 | 31 | 36 | $22,680 | $5,468 | 24.1% |
| 99204 | New patient office or other outpatient visit, typically 45 minutes | Office | 2020 | 44 | 44 | $22,440 | $5,272 | 23.5% |
| 99442 | Physician telephone patient service, 11-20 minutes of medical discussion | Office | 2020 | 60 | 74 | $6,364 | $4,337 | 68.2% |
| 94375 | Diagnostic testing in a pulmonary function lab | Office | 2020 | 100 | 119 | $14,518 | $3,301 | 22.7% |
| 99213 | Established patient office or other outpatient visit, typically 15 minutes | Office | 2020 | 53 | 55 | $12,320 | $2,729 | 22.2% |
| 99232 | Subsequent hospital inpatient care, typically 25 minutes per day | Facility | 2020 | 24 | 39 | $8,736 | $2,247 | 25.7% |
| 94729 | Measurement of lung diffusing capacity | Office | 2020 | 39 | 41 | $6,929 | $1,781 | 25.7% |
| 94726 | Determination of lung volumes using plethysmography | Office | 2020 | 39 | 41 | $6,724 | $1,695 | 25.2% |
| 31624 | Irrigation and suction of lung airways to obtain cells using an endoscope | Facility | 2020 | 30 | 31 | $14,570 | $1,515 | 10.4% |
| 71046 | X-ray of chest, 2 views | Office | 2020 | 42 | 56 | $5,320 | $1,377 | 25.9% |
| 31628 | Biopsy of one lobe of lung using an endoscope | Facility | 2020 | 14 | 14 | $8,442 | $1,077 | 12.8% |
| 31627 | Computer-assisted image-guided navigation of lung airways using an endoscope | Facility | 2020 | 12 | 12 | $3,708 | $945.44 | 25.5% |
| 31654 | Examination of lung airways using an endoscope with imaging guidance and ultrasound | Facility | 2020 | 13 | 13 | $2,795 | $716.68 | 25.6% |
| 94060 | Measurement and graphic recording of the amount and speed of breathed air, before and following medication administration | Office | 2020 | 13 | 13 | $2,457 | $607.24 | 24.7% |
| 94726 | Determination of lung volumes using plethysmography | Facility | 2020 | 39 | 39 | $1,521 | $372.68 | 24.5% |
| 95012 | Measurement of inhaled nitric oxide gas | Office | 2020 | 23 | 27 | $1,647 | $371.95 | 22.6% |
| 94729 | Measurement of lung diffusing capacity | Facility | 2020 | 39 | 39 | $1,131 | $276.04 | 24.4% |
| 99152 | Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes | Facility | 2020 | 24 | 26 | $4,160 | $247.49 | 5.9% |
| 94375 | Diagnostic testing in a pulmonary function lab | Facility | 2020 | 21 | 21 | $966.00 | $246.30 | 25.5% |
| G0008 | Administration of influenza virus vaccine | Office | 2020 | 11 | 12 | $588.00 | $197.25 | 33.5% |
| 94060 | Measurement and graphic recording of the amount and speed of breathed air, before and following medication administration | Facility | 2020 | 16 | 16 | $656.00 | $158.07 | 24.1% |
About Dr. Karthik Mahadevan, MD
Dr. Karthik Mahadevan, MD is a Internal Medicine healthcare provider based in Eugene, Oregon. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 04/20/2006. The National Provider Identifier (NPI) number assigned to this provider is 1144285263.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Karthik Mahadevan, MD has received a total of $6,925 in payments from pharmaceutical and medical device companies, with $3,632 received in 2024. These payments were reported across 56 transactions from 14 companies. The most common payment nature is "Travel and Lodging" ($4,500).
As a Medicare-enrolled provider, Mahadevan has provided services to 4,124 Medicare beneficiaries, totaling 5,634 services with total Medicare billing of $387,717. Data is available for 4 years (2020–2023), covering 98 distinct procedure/service records.
Practice Information
- Specialty Internal Medicine
- Other Specialties Critical Care Medicine, Sleep Medicine
- Location Eugene, OR
- Active Since 04/20/2006
- Last Updated 10/25/2022
- Taxonomy Code 207R00000X
- Entity Type Individual
- NPI Number 1144285263
Products in Payments
- Da Vinci Surgical System (Device) $3,199
- Monarch Platform (Device) $1,119
- Pulmonx Endobronchial Valve EBV (Device) $1,057
- GALAXY (Device) $441.33
- MONARCH (Device) $175.50
- BIOKNOTLESS (Device) $120.00
- Trodelvy (Drug) $110.70
- FLOWTRIEVER CATHETER, S (Device) $100.00
- FlowTriever (Device) $100.00
- Impella (Device) $96.92
- CHARTIS CATHETER (Device) $56.60
- Temperature Management System (Device) $48.00
- Esbriet (Biological) $38.00
- NUCALA (Biological) $22.50
- Zemaira (Biological) $21.96
- WatchPATONE (Device) $19.24
- SPIRIVA RESPIMAT (Drug) $14.16
- OFEV (Drug) $8.85
Explore
Data Sources
Provider data from NPPES. Payment data from CMS Open Payments. Medicare data from CMS Medicare Provider Utilization. All data is public and updated periodically.
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