Total Payments
$3,721
2024 Payments
$212.75
Companies
5
Transactions
15
Medicare Patients
1,631
Medicare Billing
$201,743
Payment Breakdown by Category
Other$3,290 (88.4%)
Food & Beverage$415.94 (11.2%)
Education$13.89 (0.4%)
Travel$1.15 (0.0%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $3,290 | 4 | 88.4% |
| Food and Beverage | $415.94 | 9 | 11.2% |
| Education | $13.89 | 1 | 0.4% |
| Travel and Lodging | $1.15 | 1 | 0.0% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Medtronic, Inc. | $3,620 | 7 | $0 (2024) |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $40.65 | 3 | $0 (2017) |
| Gilead Sciences Inc | $26.12 | 2 | $0 (2017) |
| Sunovion Pharmaceuticals Inc. | $23.30 | 2 | $0 (2017) |
| Mylan Specialty L.P. | $10.59 | 1 | $0 (2017) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $212.75 | 2 | Medtronic, Inc. ($212.75) |
| 2023 | $1,040 | 1 | Medtronic, Inc. ($1,040) |
| 2022 | $117.57 | 1 | Medtronic, Inc. ($117.57) |
| 2021 | $2,250 | 3 | Medtronic, Inc. ($2,250) |
| 2017 | $100.66 | 8 | Boehringer Ingelheim Pharmaceuticals, Inc. ($40.65) |
All Payment Transactions
15 individual payment records from CMS Open Payments
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 10/30/2024 | Medtronic, Inc. | MC3 NAUTILUS(TM) ECMO OXYGENATOR (Device) | Food and Beverage | In-kind items and services | $211.60 | General |
| Category: Cardiopulmonary | ||||||
| 10/30/2024 | Medtronic, Inc. | MC3 NAUTILUS(TM) ECMO OXYGENATOR (Device) | Travel and Lodging | In-kind items and services | $1.15 | General |
| Category: Cardiopulmonary | ||||||
| 03/29/2023 | Medtronic, Inc. | MC3 NAUTILUS(TM) ECMO OXYGENATOR (Device) | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $1,040.00 | General |
| Category: Cardiopulmonary | ||||||
| 09/16/2022 | Medtronic, Inc. | MC3 NAUTILUS(TM) ECMO OXYGENATOR (Device) | Food and Beverage | In-kind items and services | $117.57 | General |
| Category: Cardiopulmonary | ||||||
| 06/08/2021 | Medtronic, Inc. | Crescent Catheter (Device) | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $250.00 | General |
| Category: Catheters | ||||||
| 05/28/2021 | Medtronic, Inc. | Crescent Catheter (Device) | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $1,000.00 | General |
| Category: Catheters | ||||||
| 02/25/2021 | Medtronic, Inc. | Crescent Catheter (Device) | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $1,000.00 | General |
| Category: Catheters | ||||||
| 11/07/2017 | Mylan Specialty L.P. | Dymista (Drug), Perforomist | Food and Beverage | In-kind items and services | $10.59 | General |
| Category: Respiratory and Allergy | ||||||
| 10/19/2017 | Boehringer Ingelheim Pharmaceuticals, Inc. | TRADJENTA (Drug), JARDIANCE, GLYXAMBI | Food and Beverage | In-kind items and services | $11.72 | General |
| Category: DIABETES | ||||||
| 10/05/2017 | Sunovion Pharmaceuticals Inc. | UTIBRON (Drug) | Food and Beverage | In-kind items and services | $11.47 | General |
| Category: RESPIRATORY | ||||||
| 09/28/2017 | Gilead Sciences Inc | — | Food and Beverage | In-kind items and services | $14.37 | General |
| 04/27/2017 | Boehringer Ingelheim Pharmaceuticals, Inc. | JARDIANCE (Drug), GLYXAMBI, TRADJENTA | Food and Beverage | In-kind items and services | $15.04 | General |
| Category: DIABETES | ||||||
| 04/20/2017 | Gilead Sciences Inc | — | Food and Beverage | In-kind items and services | $11.75 | General |
| 04/05/2017 | Boehringer Ingelheim Pharmaceuticals, Inc. | STIOLTO (Drug) | Education | In-kind items and services | $13.89 | General |
| Category: RESPIRATORY | ||||||
| 02/16/2017 | Sunovion Pharmaceuticals Inc. | BROVANA (Drug) | Food and Beverage | In-kind items and services | $11.83 | General |
| Category: RESPIRATORY | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 8 | 344 | 531 | $104,886 | $39,097 |
| 2022 | 9 | 415 | 701 | $143,724 | $49,163 |
| 2021 | 11 | 433 | 833 | $154,994 | $58,532 |
| 2020 | 7 | 439 | 730 | $154,336 | $54,952 |
Total Patients
1,631
Total Services
2,795
Medicare Billing
$201,743
Procedure Codes
35
All Medicare Procedures & Services
35 procedure records from CMS Medicare Utilization — Page 1 of 2
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Facility | 2023 | 33 | 102 | $32,640 | $9,472 | 29.0% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Facility | 2023 | 77 | 143 | $15,435 | $9,439 | 61.2% |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Facility | 2023 | 64 | 64 | $15,808 | $8,251 | 52.2% |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Facility | 2023 | 30 | 60 | $14,040 | $3,542 | 25.2% |
| 99239 | Hospital discharge day management, more than 30 minutes | Facility | 2023 | 27 | 37 | $12,025 | $3,293 | 27.4% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Facility | 2023 | 46 | 57 | $5,532 | $2,259 | 40.8% |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Facility | 2023 | 12 | 12 | $7,176 | $1,625 | 22.6% |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | Facility | 2023 | 55 | 56 | $2,230 | $1,217 | 54.6% |
| 99233 | Follow-up hospital inpatient care per day, typically 35 minutes | Facility | 2022 | 61 | 152 | $47,120 | $11,836 | 25.1% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Facility | 2022 | 88 | 168 | $17,340 | $11,445 | 66.0% |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Facility | 2022 | 68 | 68 | $16,252 | $8,788 | 54.1% |
| 99232 | Follow-up hospital inpatient care per day, typically 25 minutes | Facility | 2022 | 54 | 151 | $33,975 | $7,860 | 23.1% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Facility | 2022 | 54 | 67 | $5,423 | $2,869 | 52.9% |
| 99239 | Hospital discharge day management, more than 30 minutes | Facility | 2022 | 30 | 33 | $10,395 | $2,686 | 25.8% |
| 99223 | Initial hospital inpatient care per day, typically 70 minutes | Facility | 2022 | 14 | 14 | $8,120 | $2,135 | 26.3% |
| 99238 | Hospital discharge day management, 30 minutes or less | Facility | 2022 | 17 | 17 | $3,655 | $876.05 | 24.0% |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | Facility | 2022 | 29 | 31 | $1,444 | $667.24 | 46.2% |
| 99214 | Established patient outpatient visit, total time 30-39 minutes | Facility | 2021 | 99 | 227 | $23,996 | $16,231 | 67.6% |
| 99233 | Subsequent hospital inpatient care, typically 35 minutes per day | Facility | 2021 | 53 | 161 | $49,105 | $13,032 | 26.5% |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Facility | 2021 | 75 | 75 | $17,925 | $9,966 | 55.6% |
| 99232 | Subsequent hospital inpatient care, typically 25 minutes per day | Facility | 2021 | 39 | 114 | $24,738 | $6,432 | 26.0% |
| 99239 | Hospital discharge day management, more than 30 minutes | Facility | 2021 | 30 | 38 | $11,780 | $3,193 | 27.1% |
| 99213 | Established patient outpatient visit, total time 20-29 minutes | Facility | 2021 | 51 | 61 | $4,735 | $2,544 | 53.7% |
| 99231 | Subsequent hospital inpatient care, typically 15 minutes per day | Facility | 2021 | 13 | 83 | $9,794 | $2,508 | 25.6% |
| 99223 | Initial hospital inpatient care, typically 70 minutes per day | Facility | 2021 | 11 | 12 | $6,960 | $1,731 | 24.9% |
About Dr. David Mast, MD
Dr. David Mast, MD is a Internal Medicine healthcare provider based in Duluth, Minnesota. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 05/12/2006. The National Provider Identifier (NPI) number assigned to this provider is 1912958331.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. David Mast, MD has received a total of $3,721 in payments from pharmaceutical and medical device companies, with $212.75 received in 2024. These payments were reported across 15 transactions from 5 companies. The most common payment nature is "Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program" ($3,290).
As a Medicare-enrolled provider, Mast has provided services to 1,631 Medicare beneficiaries, totaling 2,795 services with total Medicare billing of $201,743. Data is available for 4 years (2020–2023), covering 35 distinct procedure/service records.
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Practice Information
- Specialty Internal Medicine
- Location Duluth, MN
- Active Since 05/12/2006
- Last Updated 07/08/2007
- Taxonomy Code 207R00000X
- Entity Type Individual
- NPI Number 1912958331
Products in Payments
- Crescent Catheter (Device) $2,250
- MC3 NAUTILUS(TM) ECMO OXYGENATOR (Device) $1,370
- JARDIANCE (Drug) $15.04
- STIOLTO (Drug) $13.89
- BROVANA (Drug) $11.83
- TRADJENTA (Drug) $11.72
- UTIBRON (Drug) $11.47
- Dymista (Drug) $10.59
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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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