Total Payments
$162,126
2024 Payments
$630.47
Companies
11
Transactions
246
Medicare Patients
879
Medicare Billing
$312,973
Payment Breakdown by Category
Education$76,120 (47.0%)
Consulting$43,988 (27.1%)
Travel$24,302 (15.0%)
Food & Beverage$9,946 (6.1%)
Research$6,776 (4.2%)
Other$994.54 (0.6%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Education | $76,120 | 28 | 47.0% |
| Consulting Fee | $43,988 | 14 | 27.1% |
| Travel and Lodging | $24,302 | 52 | 15.0% |
| Food and Beverage | $9,946 | 147 | 6.1% |
| Unspecified | $6,776 | 3 | 4.2% |
| Grant | $594.54 | 1 | 0.4% |
| Compensation for serving as faculty or as a speaker for a non-accredited and noncertified continuing education program | $400.00 | 1 | 0.2% |
Payments by Type
General
$155,350
243 transactions
Research
$6,776
3 transactions
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Intuitive Surgical, Inc. | $80,035 | 54 | $0 (2023) |
| ATRICURE, INC. | $79,504 | 159 | $0 (2024) |
| Abbott Laboratories | $638.04 | 4 | $0 (2023) |
| Medtronic Vascular, Inc. | $625.01 | 9 | $0 (2020) |
| Edwards Lifesciences Corporation | $532.63 | 10 | $0 (2024) |
| Medtronic, Inc. | $270.81 | 3 | $0 (2023) |
| Artivion, Inc. | $217.45 | 2 | $0 (2023) |
| Haemonetics Corporation | $97.70 | 1 | $0 (2021) |
| MAQUET Cardiovascular U.S. Sales, L.L.C. | $83.78 | 2 | $0 (2017) |
| Baxter Healthcare | $61.29 | 1 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $630.47 | 11 | ATRICURE, INC. ($405.61) |
| 2023 | $3,646 | 24 | ATRICURE, INC. ($3,292) |
| 2022 | $30,549 | 20 | Intuitive Surgical, Inc. ($30,000) |
| 2021 | $64,362 | 71 | Intuitive Surgical, Inc. ($39,220) |
| 2020 | $17,395 | 29 | Intuitive Surgical, Inc. ($10,771) |
| 2019 | $3,403 | 32 | AtriCure, Inc. ($2,707) |
| 2018 | $11,324 | 8 | AtriCure, Inc. ($11,324) |
| 2017 | $30,818 | 51 | AtriCure, Inc. ($30,723) |
All Payment Transactions
246 individual payment records from CMS Open Payments — Page 1 of 10
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 11/19/2024 | ATRICURE, INC. | ATRICURE CRYOICE CRYOSPHERE CRYOABLATION SYSTEM (Device) | Food and Beverage | In-kind items and services | $135.73 | General |
| Category: CARDIOVASCULAR | ||||||
| 11/14/2024 | Edwards Lifesciences Corporation | INSPIRIS RESILIA AORTIC VALVE (Device) | Food and Beverage | In-kind items and services | $10.40 | General |
| Category: Pericardial Heart Valves | ||||||
| 11/14/2024 | Edwards Lifesciences Corporation | INSPIRIS RESILIA AORTIC VALVE (Device) | Food and Beverage | In-kind items and services | $7.97 | General |
| Category: Pericardial Heart Valves | ||||||
| 11/14/2024 | Edwards Lifesciences Corporation | INSPIRIS RESILIA AORTIC VALVE (Device) | Food and Beverage | In-kind items and services | $1.80 | General |
| Category: Pericardial Heart Valves | ||||||
| 10/29/2024 | Edwards Lifesciences Corporation | CARPENTIER-EDWARDS PERIMOUNT MAGNA PERICARDIAL BIOPROSTHESIS - AORTIC (Device) | Food and Beverage | In-kind items and services | $139.10 | General |
| Category: Pericardial Heart Valves | ||||||
| 10/09/2024 | ATRICURE, INC. | ATRICLIP LAA EXCLUSION SYSTEM (Device) | Food and Beverage | In-kind items and services | $113.73 | General |
| Category: CARDIOVASCULAR | ||||||
| 09/09/2024 | ATRICURE, INC. | ATRICLIP LAA EXCLUSION SYSTEM (Device) | Food and Beverage | In-kind items and services | $11.07 | General |
| Category: CARDIOVASCULAR | ||||||
| 06/14/2024 | ATRICURE, INC. | SYNERGY ABLATION SYSTEM (Device) | Food and Beverage | In-kind items and services | $52.35 | General |
| Category: CARDIOVASCULAR | ||||||
| 04/22/2024 | Baxter Healthcare | PERCLOT (Device) | Travel and Lodging | In-kind items and services | $61.29 | General |
| Category: Surgical Care | ||||||
| 01/25/2024 | Edwards Lifesciences Corporation | SAPIEN 3 Ultra RESILIA (Device) | Food and Beverage | In-kind items and services | $4.30 | General |
| Category: Transcatheter Heart Valves | ||||||
| 01/18/2024 | ATRICURE, INC. | EPI-SENSE GUIDED COAGULATION SYSTEM WITH VISITRAX (Device), ATRICLIP LAA EXCLUSION SYSTEM | Food and Beverage | In-kind items and services | $92.73 | General |
| Category: CARDIOVASCULAR | ||||||
| 12/20/2023 | Abbott Laboratories | NAVITOR (Device) | Food and Beverage | In-kind items and services | $90.24 | General |
| Category: Vascular | ||||||
| 11/30/2023 | ATRICURE, INC. | EPI-SENSE GUIDED COAGULATION SYSTEM WITH VISITRAX (Device) | Food and Beverage | In-kind items and services | $131.13 | General |
| Category: CARDIOVASCULAR | ||||||
| 11/29/2023 | ATRICURE, INC. | ISOLATOR SURGICAL ABLATION SYSTEM (Device), SYNERGY ABLATION SYSTEM | Food and Beverage | In-kind items and services | $107.43 | General |
| Category: CARDIOVASCULAR | ||||||
| 10/09/2023 | Abbott Laboratories | EPIC (Device) | Food and Beverage | In-kind items and services | $22.80 | General |
| Category: Structural Heart | ||||||
| 09/21/2023 | ATRICURE, INC. | SYNERGY ABLATION SYSTEM (Device), ATRICURE CRYOICE CRYOSPHERE CRYOABLATION SYSTEM | Food and Beverage | In-kind items and services | $46.93 | General |
| Category: CARDIOVASCULAR | ||||||
| 09/13/2023 | ATRICURE, INC. | ATRICURE CRYOICE CRYOSPHERE CRYOABLATION SYSTEM (Device), SYNERGY ABLATION SYSTEM | Food and Beverage | In-kind items and services | $149.75 | General |
| Category: CARDIOVASCULAR | ||||||
| 07/12/2023 | ATRICURE, INC. | EPI-SENSE GUIDED COAGULATION SYSTEM WITH VISITRAX (Device) | Food and Beverage | In-kind items and services | $101.44 | General |
| Category: CARDIOVASCULAR | ||||||
| 07/04/2023 | Intuitive Surgical, Inc. | Da Vinci Surgical System (Device) | Food and Beverage | In-kind items and services | $44.58 | General |
| Category: SURGERY | ||||||
| 06/19/2023 | ATRICURE, INC. | SYNERGY ABLATION SYSTEM (Device) | Grant | Cash or cash equivalent | $594.54 | General |
| Category: CARDIOVASCULAR | ||||||
| 06/06/2023 | ATRICURE, INC. | SYNERGY ABLATION SYSTEM (Device), ATRICURE CRYOICE CRYOABLATION SYSTEM (CRYO2) | Food and Beverage | In-kind items and services | $23.99 | General |
| Category: CARDIOVASCULAR | ||||||
| 05/04/2023 | ATRICURE, INC. | EPI-SENSE GUIDED COAGULATION SYSTEM WITH VISITRAX (Device) | Travel and Lodging | In-kind items and services | $287.60 | General |
| Category: CARDIOVASCULAR | ||||||
| 05/02/2023 | ATRICURE, INC. | ATRICLIP LAA EXCLUSION SYSTEM (Device), ATRICURE CRYOICE CRYOABLATION SYSTEM (CRYO2) | Food and Beverage | In-kind items and services | $143.01 | General |
| Category: CARDIOVASCULAR | ||||||
| 04/18/2023 | ATRICURE, INC. | EPI-SENSE GUIDED COAGULATION SYSTEM WITH VISITRAX (Device) | Travel and Lodging | In-kind items and services | $278.79 | General |
| Category: CARDIOVASCULAR | ||||||
| 04/18/2023 | ATRICURE, INC. | SYNERGY ABLATION SYSTEM (Device), EPI-SENSE GUIDED COAGULATION SYSTEM WITH VISITRAX | Food and Beverage | In-kind items and services | $8.57 | General |
| Category: CARDIOVASCULAR | ||||||
Research Studies & Clinical Trials
| Study Name | Company | Amount | Records |
|---|---|---|---|
| PIVOTAL STUDY OF A DUAL EPICARDIAL & ENDOCARDIAL PROCEDURE (DEEP) APPROACH FOR TREATMENT OF SUBJECTS WITH PERSISTENT OR LONG STANDING PERSISTENT ATRIAL FIBRILLATION WITH RADIOFREQUENCY ABLATION | AtriCure, Inc. | $6,662 | 1 |
| PIVOTAL STUDY OF A DUAL EPICARDIAL & ENDOCARDIAL PROCEDURE DEEP APPROACH FOR TREATMENT OF SUBJECTS WITH PERSISTENT OR LONG STANDING PERSISTENT ATRIAL FIBRILLATION WITH RADIOFREQUENCY ABLATION | AtriCure, Inc. | $113.90 | 2 |
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 8 | 195 | 256 | $1.4M | $68,206 |
| 2022 | 8 | 233 | 237 | $1.6M | $89,767 |
| 2021 | 9 | 198 | 231 | $1.2M | $71,255 |
| 2020 | 10 | 253 | 283 | $1.5M | $83,745 |
Total Patients
879
Total Services
1,007
Medicare Billing
$312,973
Procedure Codes
38
All Medicare Procedures & Services
38 procedure records from CMS Medicare Utilization — Page 1 of 2
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 33533 | Coronary artery bypass using artery graft, 1 graft | Facility | 2023 | 29 | 29 | $509,690 | $23,577 | 4.6% |
| 33361 | Replacement of aortic valve through the skin and femoral artery | Facility | 2023 | 39 | 39 | $508,890 | $20,826 | 4.1% |
| 33405 | Replacement of aortic valve on heart-lung machine | Facility | 2023 | 16 | 16 | $292,790 | $14,539 | 5.0% |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | Office | 2023 | 34 | 34 | $21,703 | $5,706 | 26.3% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 27 | 32 | $6,187 | $2,031 | 32.8% |
| 76998 | Ultrasonic guidance during surgery | Facility | 2023 | 15 | 15 | $6,205 | $673.80 | 10.9% |
| 93793 | Anticoagulant management of patient taking warfarin | Office | 2023 | 16 | 72 | $1,059 | $637.92 | 60.2% |
| 33508 | Harvest of vein using an endoscope | Facility | 2023 | 19 | 19 | $21,456 | $215.65 | 1.0% |
| 33361 | Replacement of aortic valve through the skin and femoral artery | Facility | 2022 | 60 | 60 | $761,838 | $32,758 | 4.3% |
| 33533 | Coronary artery bypass using artery graft, 1 graft | Facility | 2022 | 29 | 29 | $495,620 | $27,099 | 5.5% |
| 33405 | Replacement of aortic valve on heart-lung machine | Facility | 2022 | 17 | 17 | $300,433 | $17,080 | 5.7% |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | Office | 2022 | 29 | 29 | $17,805 | $4,931 | 27.7% |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | Facility | 2022 | 20 | 20 | $12,300 | $2,726 | 22.2% |
| 99223 | Initial hospital inpatient care per day, typically 70 minutes | Facility | 2022 | 17 | 17 | $10,478 | $2,502 | 23.9% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 21 | 25 | $4,656 | $1,524 | 32.7% |
| 76998 | Ultrasonic guidance during surgery | Facility | 2022 | 20 | 20 | $7,570 | $913.56 | 12.1% |
| 33508 | Harvest of vein using an endoscope | Facility | 2022 | 20 | 20 | $22,180 | $233.24 | 1.1% |
| 33533 | Heart artery bypass, single graft | Facility | 2021 | 34 | 34 | $570,744 | $32,385 | 5.7% |
| 33405 | Replacement of aortic valve using artificial valve on heart-lung machine, open procedure | Facility | 2021 | 14 | 14 | $241,358 | $15,748 | 6.5% |
| 33361 | Replacement of aortic valve with prosthetic valve, accessed through the skin | Facility | 2021 | 22 | 22 | $275,608 | $12,188 | 4.4% |
| 99223 | Initial hospital inpatient care, typically 70 minutes per day | Facility | 2021 | 20 | 20 | $12,074 | $3,084 | 25.5% |
| 99205 | New patient outpatient visit, total time 60-74 minutes | Office | 2021 | 17 | 17 | $10,245 | $2,787 | 27.2% |
| 99205 | New patient outpatient visit, total time 60-74 minutes | Facility | 2021 | 14 | 14 | $8,400 | $1,855 | 22.1% |
| 99213 | Established patient outpatient visit, total time 20-29 minutes | Office | 2021 | 25 | 28 | $5,082 | $1,747 | 34.4% |
| 76998 | Ultrasonic guidance during surgery | Facility | 2021 | 18 | 18 | $6,266 | $834.84 | 13.3% |
About John Johnkoski
John Johnkoski is a Thoracic Surgery (Cardiothoracic Vascular Surgery) healthcare provider based in Wausau, Wisconsin. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 07/07/2006. The National Provider Identifier (NPI) number assigned to this provider is 1992737035.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, John Johnkoski has received a total of $162,126 in payments from pharmaceutical and medical device companies, with $630.47 received in 2024. These payments were reported across 246 transactions from 11 companies. The most common payment nature is "Education" ($76,120).
As a Medicare-enrolled provider, Johnkoski has provided services to 879 Medicare beneficiaries, totaling 1,007 services with total Medicare billing of $312,973. Data is available for 4 years (2020–2023), covering 38 distinct procedure/service records.
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Practice Information
- Specialty Thoracic Surgery (Cardiothoracic Vascular Surgery)
- Location Wausau, WI
- Active Since 07/07/2006
- Last Updated 07/08/2007
- Taxonomy Code 208G00000X
- Entity Type Individual
- NPI Number 1992737035
Products in Payments
- Da Vinci Surgical System (Device) $50,035
- DAVINCI XI (Device) $30,000
- CGC135, CGC140, CGC145, CGC150 (Device) $19,544
- SYNERGY ABLATION SYSTEM (Device) $13,025
- ATRICLIP LAA EXCLUSION SYSTEM (Device) $11,174
- AtriCure AtriClip LAA Exclusion System (Device) $10,367
- ATRICURE ATRICLIP LAA EXCLUSION (Device) $5,189
- ATRICLIP PRO LAA EXCLUSION SYSTEM (Device) $5,175
- EPI-SENSE GUIDED COAGULATION SYSTEM WITH VISITRAX (Device) $4,193
- ATRICURE SYNERGY ABLATION SYSTEM (Device) $2,701
- ATRICURE BIPOLAR SYSTEM (Device) $2,004
- ATRICURE ATRICLIP LAA EXCLUSION SYSTEM (Device) $1,543
- CoreValve Evolut (Device) $653.06
- EPI-SENSE GUIDED COAGULATION SYSTEM WITH VISITRAX, MODELS (Device) $438.61
- Trifecta GT Tissue Heart Valve (Device) $400.00
- EPI-SENSE GUIDED COAGULATION SYS (Device) $308.36
- ATRICURE CRYOICE CRYOSPHERE CRYOABLATION SYSTEM (Device) $285.48
- Edwards SAPIEN 3 Ultra Transcatheter Heart Valve (Device) $205.71
- ACC2 CARDIAC CRYOSURGICAL SYSTEM (Device) $175.49
- Edwards SAPIEN 3 Transcatheter Heart Valve (Device) $149.57
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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