Total Payments
$6,925
2024 Payments
$3,632
Companies
14
Transactions
56
Medicare Patients
4,124
Medicare Billing
$387,717
Payment Breakdown by Category
Travel$4,500 (65.0%)
Food & Beverage$2,342 (33.8%)
Education$74.12 (1.1%)
Gifts$8.74 (0.1%)
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 2 of 3
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 03/07/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Travel and Lodging | In-kind items and services | $19.00 | General |
| Category: SURGERY | ||||||
| 12/19/2023 | Gilead Sciences, Inc. | Trodelvy (Drug) | Food and Beverage | In-kind items and services | $110.70 | General |
| Category: ONC | ||||||
| 11/28/2023 | GlaxoSmithKline, LLC. | NUCALA (Biological) | Food and Beverage | In-kind items and services | $22.50 | General |
| Category: IMMUNOLOGY | ||||||
| 11/21/2023 | Itamar Medical Inc | WatchPATONE (Device) | Food and Beverage | Cash or cash equivalent | $19.24 | General |
| Category: Sleep Apnea testing | ||||||
| 10/09/2023 | Ethicon Inc. | Monarch Platform (Device) | Food and Beverage | In-kind items and services | $123.35 | General |
| Category: Endo-Mechanical | ||||||
| 06/27/2023 | Ethicon Inc. | Monarch Platform (Device) | Food and Beverage | In-kind items and services | $53.15 | General |
| Category: Endo-Mechanical | ||||||
| 06/26/2023 | Ethicon Inc. | Monarch Platform (Device) | Food and Beverage | In-kind items and services | $38.34 | General |
| Category: Endo-Mechanical | ||||||
| 04/05/2023 | Pulmonx Corporation | CHARTIS CATHETER (Device), ZEPHYR DELIVERY CATHETER, ZEPHYR ENDOBRONCHIAL VALVE | Food and Beverage | In-kind items and services | $56.60 | General |
| Category: PULMONOLOGY | ||||||
| 01/30/2023 | Ethicon Inc. | Monarch Platform (Device) | Food and Beverage | In-kind items and services | $85.25 | General |
| Category: Endo-Mechanical | ||||||
| 12/20/2022 | Intuitive Surgical, Inc. | Da Vinci Surgical System (Device) | Food and Beverage | In-kind items and services | $81.13 | General |
| Category: SURGERY | ||||||
| 11/16/2022 | ABIOMED | Impella (Device) | Food and Beverage | In-kind items and services | $96.92 | General |
| Category: Cardiology/Vascular Diseases | ||||||
| 04/30/2021 | Inari Medical, Inc. | FLOWTRIEVER CATHETER, S (Device), FLOWTRIEVER CATHETER, S | Food and Beverage | In-kind items and services | $100.00 | General |
| Category: VTE | ||||||
| 10/29/2020 | Ethicon Inc. | Monarch Platform (Device) | Food and Beverage | In-kind items and services | $37.60 | General |
| Category: Endo-Mechanical | ||||||
| 10/28/2020 | Inari Medical, Inc. | FlowTriever (Device), ClotTriever | Food and Beverage | In-kind items and services | $100.00 | General |
| Category: Venous Thrombectomy | ||||||
| 08/27/2020 | Ethicon Inc. | Monarch Platform (Device) | Travel and Lodging | In-kind items and services | $170.00 | General |
| Category: Endo-Mechanical | ||||||
| 08/26/2020 | Ethicon Inc. | Monarch Platform (Device) | Travel and Lodging | In-kind items and services | $128.15 | General |
| Category: Endo-Mechanical | ||||||
| 08/12/2020 | Ethicon Inc. | Monarch Platform (Device) | Travel and Lodging | In-kind items and services | $410.16 | General |
| Category: Endo-Mechanical | ||||||
| 07/13/2020 | CSL Behring | Zemaira (Biological) | Education | In-kind items and services | $21.96 | General |
| Category: Pulmonary/Respiratory Diseases | ||||||
| 12/16/2019 | Boehringer Ingelheim Pharmaceuticals, Inc. | — | Food and Beverage | In-kind items and services | $76.97 | General |
| 12/16/2019 | Boehringer Ingelheim Pharmaceuticals, Inc. | OFEV (Drug) | Food and Beverage | In-kind items and services | $8.85 | General |
| Category: RESPIRATORY | ||||||
| 10/09/2019 | Medical Device Business Services, Inc. | BIOKNOTLESS (Device) | Food and Beverage | In-kind items and services | $120.00 | General |
| Category: Sports Surgical | ||||||
| 08/28/2019 | Pulmonx Corporation | Pulmonx Endobronchial Valve EBV (Device) | Travel and Lodging | Cash or cash equivalent | $81.16 | General |
| Category: Pulmonology | ||||||
| 08/22/2019 | Pulmonx Corporation | Pulmonx Endobronchial Valve EBV (Device) | Travel and Lodging | Cash or cash equivalent | $278.12 | General |
| Category: Pulmonology | ||||||
| 07/29/2019 | Pulmonx Corporation | Pulmonx Endobronchial Valve EBV (Device) | Travel and Lodging | Cash or cash equivalent | $698.00 | General |
| Category: Pulmonology | ||||||
| 05/31/2019 | Ethicon Inc. | MONARCH (Device) | Travel and Lodging | In-kind items and services | $89.00 | General |
| Category: ENDO-MECHANICAL | ||||||
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 |
Total Patients
4,124
Total Services
5,634
Medicare Billing
$387,717
Procedure Codes
98
All Medicare Procedures & Services
98 procedure records from CMS Medicare Utilization — Page 1 of 4
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 188 | 357 | $149,515 | $31,274 | 20.9% |
| 99291 | Critical care, first 30-74 minutes | Facility | 2023 | 34 | 67 | $90,301 | $10,792 | 12.0% |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Facility | 2023 | 49 | 120 | $48,700 | $10,502 | 21.6% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 67 | 67 | $35,853 | $7,768 | 21.7% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Office | 2023 | 29 | 44 | $25,026 | $5,735 | 22.9% |
| 94375 | Test to measure rate of airflow | Office | 2023 | 134 | 173 | $21,538 | $4,629 | 21.5% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 55 | 61 | $15,932 | $3,477 | 21.8% |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Facility | 2023 | 27 | 27 | $17,210 | $3,074 | 17.9% |
| 99442 | Telephone medical discussion with physician, 11-20 minutes | Office | 2023 | 34 | 44 | $12,968 | $2,109 | 16.3% |
| 31652 | Exam of lung airways and sampling of lymph nodes using an endoscope and ultrasound guidance, 1-2 lymph nodes | Facility | 2023 | 14 | 14 | $9,970 | $2,061 | 20.7% |
| 94729 | Test to examine how well the lungs exchange gases | Office | 2023 | 44 | 48 | $8,563 | $1,925 | 22.5% |
| 71046 | X-ray of chest, 2 views | Office | 2023 | 51 | 76 | $8,212 | $1,817 | 22.1% |
| 94726 | Test to determine lung volumes using sensors | Office | 2023 | 44 | 48 | $8,446 | $1,743 | 20.6% |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Facility | 2023 | 18 | 28 | $7,508 | $1,628 | 21.7% |
| 99443 | Telephone medical discussion with physician, 21-30 minutes | Office | 2023 | 15 | 20 | $8,300 | $1,428 | 17.2% |
| 31628 | Biopsy of lobe of lung using an endoscope, 1 lobe | Facility | 2023 | 11 | 12 | $6,876 | $825.10 | 12.0% |
| 94618 | Test for exercise-induced lung stress | Office | 2023 | 19 | 25 | $2,747 | $623.73 | 22.7% |
| 31624 | Irrigation and suction of lung airways to obtain cells using an endoscope | Facility | 2023 | 16 | 17 | $7,470 | $569.48 | 7.6% |
| 95012 | Test to measure the level of nitric oxide gas | Office | 2023 | 32 | 36 | $2,222 | $456.64 | 20.6% |
| 95806 | Sleep study including heart rate, breathing, airflow, and effort | Facility | 2023 | 11 | 11 | $1,656 | $343.82 | 20.8% |
| 94726 | Test to determine lung volumes using sensors | Facility | 2023 | 31 | 31 | $1,209 | $245.97 | 20.3% |
| 94729 | Test to examine how well the lungs exchange gases | Facility | 2023 | 32 | 32 | $928.00 | $181.98 | 19.6% |
| 99152 | Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Facility | 2023 | 20 | 20 | $3,200 | $177.08 | 5.5% |
| 94375 | Test to measure rate of airflow | Facility | 2023 | 15 | 15 | $690.00 | $142.48 | 20.6% |
| 94060 | Test to measure expiratory airflow and volume changes before and after medication administration | Facility | 2023 | 20 | 20 | $692.00 | $124.80 | 18.0% |
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.
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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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