Dr. Michael Maxwell, M.D

NPI: 1114926300
Total Payments
$7,834
2024 Payments
$1,411
Companies
28
Transactions
136
Medicare Patients
1,023
Medicare Billing
$204,520

Payment Breakdown by Category

Food & Beverage$6,046 (77.2%)
Travel$1,773 (22.6%)
Education$15.15 (0.2%)
Other$0.00 (0.0%)

Payments by Nature

Nature of Payment Amount Transactions Share
Food and Beverage $6,046 130 77.2%
Travel and Lodging $1,773 5 22.6%
Education $15.15 1 0.2%

Top Paying Companies

Company Total Records Latest Year
Medtronic Vascular, Inc. $2,536 22 $0 (2020)
W. L. Gore & Associates, Inc. $1,338 21 $0 (2024)
Abbott Laboratories $1,294 23 $0 (2024)
ABIOMED $754.62 7 $0 (2024)
Medtronic, Inc. $370.43 12 $0 (2024)
Cook Medical LLC $197.05 6 $0 (2023)
Edwards Lifesciences Corporation $160.53 2 $0 (2022)
AstraZeneca Pharmaceuticals LP $140.63 2 $0 (2018)
HeartFlow, Inc. $113.10 1 $0 (2022)
Ethicon US, LLC $108.12 5 $0 (2024)

Payment History by Year

Year Amount Transactions Top Company
2024 $1,411 25 W. L. Gore & Associates, Inc. ($356.78)
2023 $608.50 9 ABIOMED ($243.00)
2022 $1,148 23 ABIOMED ($259.03)
2021 $572.05 13 Abbott Laboratories ($411.04)
2020 $583.28 17 W. L. Gore & Associates, Inc. ($309.83)
2019 $236.14 8 Cook Medical LLC ($111.66)
2018 $2,480 25 Medtronic Vascular, Inc. ($2,198)
2017 $794.37 16 Medtronic Vascular, Inc. ($287.10)

All Payment Transactions

136 individual payment records from CMS Open Payments — Page 1 of 6

Date Company Product Nature Form Amount Type
12/12/2024 Davol Inc. ARISTA AH FlexiTip (Device) Food and Beverage In-kind items and services $28.49 General
Category: Surgery
12/10/2024 ABIOMED Impella (Device) Food and Beverage In-kind items and services $128.78 General
Category: Cardiology/Vascular Diseases
11/27/2024 Medtronic, Inc. FREESTYLE (Device) Food and Beverage In-kind items and services $22.76 General
Category: Heart Valves
10/31/2024 Medtronic, Inc. AVALUS (Device) Food and Beverage In-kind items and services $124.17 General
Category: Heart Valves
09/24/2024 Bolton Medical Inc TREO ABDOMINAL STENT-GRAFT SYSTEM (Device) Food and Beverage In-kind items and services $44.57 General
Category: ENDOVASCULAR AORTIC REPAIR
09/11/2024 Medtronic, Inc. FREESTYLE (Device) Food and Beverage In-kind items and services $84.70 General
Category: Heart Valves
09/10/2024 Abbott Laboratories EPIC (Device) Food and Beverage In-kind items and services $10.73 General
Category: Structural Heart
09/04/2024 Medtronic, Inc. PENDITURE (Device) Food and Beverage In-kind items and services $36.03 General
Category: Ablation
07/12/2024 W. L. Gore & Associates, Inc. GORE TAG Conformable Thoracic Endoprosthesis (Device) Food and Beverage In-kind items and services $37.14 General
Category: Devices
07/10/2024 Medtronic, Inc. CARDIOBLATE (Device) Food and Beverage In-kind items and services $19.80 General
Category: Ablation
06/20/2024 LeMaitre Vascular, Inc. TYKE, PATCH, PLEDGET AND INTRACARDIAC (Device) Food and Beverage Cash or cash equivalent $17.24 General
Category: AZIYO
06/20/2024 Medtronic, Inc. PENDITURE (Device) Food and Beverage In-kind items and services $9.74 General
Category: Ablation
05/30/2024 ATRICURE, INC. ATRICURE CRYOICE CRYOSPHERE CRYOABLATION SYSTEM (Device) Food and Beverage In-kind items and services $31.04 General
Category: CARDIOVASCULAR
05/29/2024 W. L. Gore & Associates, Inc. GORE TAG Conformable Thoracic Endoprosthesis (Device) Food and Beverage In-kind items and services $150.53 General
Category: Devices
05/07/2024 Abbott Laboratories EPIC (Device) Food and Beverage In-kind items and services $153.33 General
Category: Structural Heart
04/26/2024 ATRICURE, INC. SYNERGY ABLATION SYSTEM (Device) Food and Beverage In-kind items and services $32.47 General
Category: CARDIOVASCULAR
04/22/2024 Medtronic, Inc. AVALUS (Device) Food and Beverage In-kind items and services $5.47 General
Category: Heart Valves
04/17/2024 Abbott Laboratories EPIC (Device) Food and Beverage In-kind items and services $126.25 General
Category: Structural Heart
03/05/2024 Abbott Laboratories EPIC (Device) Food and Beverage In-kind items and services $23.63 General
Category: Structural Heart
02/28/2024 W. L. Gore & Associates, Inc. GORE TAG Conformable Thoracic Endoprosthesis (Device) Food and Beverage In-kind items and services $19.40 General
Category: Devices
02/27/2024 Ethicon US, LLC Echelon; Endopath (Device) Food and Beverage In-kind items and services $21.59 General
Category: Endo-Mechanical
02/21/2024 W. L. Gore & Associates, Inc. EXCLUDER Conformable AAA Endoprosthesis with Active Control (Device) Food and Beverage In-kind items and services $133.05 General
Category: Devices
02/20/2024 Abbott Laboratories EPIC (Device) Food and Beverage In-kind items and services $9.52 General
Category: Structural Heart
02/05/2024 ABIOMED Impella (Device) Food and Beverage In-kind items and services $123.81 General
Category: Cardiology/Vascular Diseases
01/18/2024 W. L. Gore & Associates, Inc. EXCLUDER Conformable AAA Endoprosthesis with Active Control (Device) Food and Beverage In-kind items and services $16.66 General
Category: Devices

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 10 306 332 $184,576 $60,643
2022 8 257 289 $116,452 $41,332
2021 7 243 253 $158,688 $57,061
2020 8 217 233 $125,463 $45,484
Total Patients
1,023
Total Services
1,107
Medicare Billing
$204,520
Procedure Codes
33

All Medicare Procedures & Services

33 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 26 26 $98,780 $28,732 29.1%
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes Facility 2023 46 46 $18,584 $5,912 31.8%
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes Facility 2023 52 54 $14,796 $5,383 36.4%
99213 Established patient office or other outpatient visit, 20-29 minutes Office 2023 67 80 $11,680 $5,220 44.7%
99204 New patient office or other outpatient visit, 45-59 minutes Office 2023 39 39 $12,870 $4,984 38.7%
33518 Coronary artery bypass using vein or artery graft, 2 grafts Facility 2023 17 17 $14,450 $4,689 32.5%
99205 New patient office or other outpatient visit, 60-74 minutes Office 2023 22 22 $9,064 $3,626 40.0%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2023 11 11 $2,332 $1,084 46.5%
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes Facility 2023 11 22 $1,540 $843.26 54.8%
33508 Harvest of vein using an endoscope Facility 2023 15 15 $480.00 $169.96 35.4%
33533 Coronary artery bypass using artery graft, 1 graft Facility 2022 13 13 $50,492 $16,421 32.5%
99213 Established patient office or other outpatient visit, 20-29 minutes Office 2022 75 87 $12,670 $5,794 45.7%
99223 Initial hospital inpatient care per day, typically 70 minutes Facility 2022 43 43 $17,372 $5,642 32.5%
99222 Initial hospital inpatient care per day, typically 50 minutes Facility 2022 41 41 $11,392 $4,184 36.7%
99204 New patient office or other outpatient visit, 45-59 minutes Office 2022 34 34 $11,220 $4,171 37.2%
99205 New patient office or other outpatient visit, 60-74 minutes Office 2022 20 20 $8,240 $3,265 39.6%
99232 Follow-up hospital inpatient care per day, typically 25 minutes Facility 2022 14 22 $3,036 $1,019 33.6%
99231 Follow-up hospital inpatient care per day, typically 15 minutes Facility 2022 17 29 $2,030 $837.64 41.3%
33533 Heart artery bypass, single graft Facility 2021 22 22 $85,448 $28,781 33.7%
99223 Initial hospital inpatient care, typically 70 minutes per day Facility 2021 53 53 $21,412 $8,160 38.1%
99213 Established patient outpatient visit, total time 20-29 minutes Office 2021 60 70 $10,220 $4,575 44.8%
99204 New patient outpatient visit, total time 45-59 minutes Office 2021 32 32 $10,560 $3,978 37.7%
99222 Initial hospital inpatient care, typically 50 minutes per day Facility 2021 40 40 $10,960 $3,971 36.2%
99205 New patient outpatient visit, total time 60-74 minutes Office 2021 24 24 $9,888 $3,969 40.1%
33518 Combined vein and artery heart artery bypass, 2 grafts Facility 2021 12 12 $10,200 $3,626 35.6%

About Dr. Michael Maxwell, M.D

Dr. Michael Maxwell, M.D is a Thoracic Surgery (Cardiothoracic Vascular Surgery) healthcare provider based in Bozeman, Montana. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 07/19/2005. The National Provider Identifier (NPI) number assigned to this provider is 1114926300.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Michael Maxwell, M.D has received a total of $7,834 in payments from pharmaceutical and medical device companies, with $1,411 received in 2024. These payments were reported across 136 transactions from 28 companies. The most common payment nature is "Food and Beverage" ($6,046).

As a Medicare-enrolled provider, Maxwell has provided services to 1,023 Medicare beneficiaries, totaling 1,107 services with total Medicare billing of $204,520. Data is available for 4 years (2020–2023), covering 33 distinct procedure/service records.

Practice Information

  • Specialty Thoracic Surgery (Cardiothoracic Vascular Surgery)
  • Other Specialties Thoracic Surgery (Cardiothoracic Vascular Surgery)
  • Location Bozeman, MT
  • Active Since 07/19/2005
  • Last Updated 04/09/2025
  • Taxonomy Code 208G00000X
  • Entity Type Individual
  • NPI Number 1114926300

Products in Payments

  • Mosaic (Device) $2,002
  • Impella (Device) $754.62
  • EPIC (Device) $733.47
  • Epic Stented Tissue Valve (Device) $547.44
  • EXCLUDER AAA Endoprosthesis (Device) $434.04
  • GORE TAG Conformable Thoracic Endoprosthesis (Device) $341.86
  • EXCLUDER Conformable AAA Endoprosthesis with Active Control (Device) $307.37
  • CoreValve Evolut (Device) $294.97
  • C3 Delivery System (Device) $188.66
  • BRILINTA (Drug) $140.63
  • FREESTYLE (Device) $138.82
  • Edwards SAPIEN 3 Ultra Transcatheter Heart Valve (Device) $132.05
  • AVALUS (Device) $129.64
  • Endurant (Device) $123.67
  • FFRct (Device) $113.10
  • Cook Medical Thoracic (Device) $111.66
  • Bio-Console (Device) $108.51
  • Cook Medical Evolution (Device) $50.22
  • ATRICURE CRYOICE CRYOSPHERE CRYOABLATION SYSTEM (Device) $49.87
  • COR KNOT (Device) $48.84

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.