Payment Breakdown by Category
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Travel and Lodging | $10,830 | 44 | 28.6% |
| Honoraria | $10,200 | 3 | 26.9% |
| Food and Beverage | $10,124 | 403 | 26.7% |
| Consulting Fee | $6,453 | 6 | 17.0% |
| Unspecified | $165.96 | 1 | 0.4% |
| Education | $125.50 | 1 | 0.3% |
Payments by Type
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| ABIOMED | $13,788 | 27 | $0 (2023) |
| Abbott Laboratories | $10,883 | 119 | $0 (2024) |
| Medtronic Vascular, Inc. | $4,258 | 55 | $0 (2020) |
| Edwards Lifesciences Corporation | $3,636 | 80 | $0 (2024) |
| Boston Scientific Corporation | $1,429 | 15 | $0 (2024) |
| The Spectranetics Corporation | $951.14 | 3 | $0 (2017) |
| Medtronic, Inc. | $854.21 | 8 | $0 (2022) |
| Cardiovascular Systems Inc. | $539.65 | 17 | $0 (2023) |
| CARDIVA MEDICAL, INC. | $525.26 | 81 | $0 (2024) |
| iRhythm Technologies, Inc. | $153.46 | 11 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $1,043 | 104 | CARDIVA MEDICAL, INC. ($284.20) |
| 2023 | $3,194 | 92 | Edwards Lifesciences Corporation ($1,156) |
| 2022 | $2,460 | 43 | Abbott Laboratories ($1,039) |
| 2021 | $13,409 | 38 | ABIOMED ($12,264) |
| 2020 | $957.42 | 29 | Abbott Laboratories ($549.32) |
| 2019 | $8,745 | 55 | Abbott Laboratories ($7,763) |
| 2018 | $2,761 | 59 | Medtronic Vascular, Inc. ($2,429) |
| 2017 | $5,329 | 38 | Edwards Lifesciences Corporation ($1,720) |
All Payment Transactions
458 individual payment records from CMS Open Payments — Page 1 of 19
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/31/2024 | iRhythm Technologies, Inc. | ZIO XT Patch (Device), Zio monitor | Food and Beverage | In-kind items and services | $0.94 | General |
| Category: Cardiology/Vascular Diseases | ||||||
| 11/14/2024 | iRhythm Technologies, Inc. | ZIO XT Patch (Device), Zio monitor | Food and Beverage | In-kind items and services | $2.85 | General |
| Category: Cardiology/Vascular Diseases | ||||||
| 11/07/2024 | iRhythm Technologies, Inc. | Zio monitor (Device), ZIO XT Patch | Food and Beverage | In-kind items and services | $2.34 | General |
| Category: Cardiology/Vascular Diseases | ||||||
| 11/05/2024 | Edwards Lifesciences Corporation | — | Food and Beverage | In-kind items and services | $4.09 | General |
| 10/22/2024 | iRhythm Technologies, Inc. | Zio monitor (Device), ZIO XT Patch | Food and Beverage | In-kind items and services | $18.85 | General |
| Category: Cardiology/Vascular Diseases | ||||||
| 10/22/2024 | Edwards Lifesciences Corporation | — | Food and Beverage | In-kind items and services | $4.87 | General |
| 10/21/2024 | Novo Nordisk Inc | Wegovy (Drug) | Food and Beverage | In-kind items and services | $24.99 | General |
| Category: Obesity | ||||||
| 10/16/2024 | Lexicon Pharmaceuticals, Inc. | — | Food and Beverage | In-kind items and services | $17.52 | General |
| 10/15/2024 | CARDIVA MEDICAL, INC. | SAVVYWIRE (Device) | Food and Beverage | In-kind items and services | $4.98 | General |
| Category: DEVICES | ||||||
| 10/14/2024 | Boston Scientific Corporation | — | Food and Beverage | In-kind items and services | $63.64 | General |
| Category: General - Atherectomy_PI | ||||||
| 10/12/2024 | Veryan Medical Incorporated | BioMimics 3D Vascular Stent System (Device) | Food and Beverage | In-kind items and services | $71.43 | General |
| Category: Vascular Stent | ||||||
| 10/11/2024 | CARDIVA MEDICAL, INC. | CARDIVA VASCADE 5F VCS (Device) | Food and Beverage | In-kind items and services | $3.63 | General |
| Category: DEVICES | ||||||
| 10/09/2024 | Edwards Lifesciences Corporation | — | Food and Beverage | In-kind items and services | $3.46 | General |
| 10/09/2024 | Edwards Lifesciences Corporation | — | Food and Beverage | In-kind items and services | $3.34 | General |
| 10/03/2024 | CARDIVA MEDICAL, INC. | CARDIVA VASCADE 6/7F VCS (Device) | Food and Beverage | In-kind items and services | $3.22 | General |
| Category: DEVICES | ||||||
| 10/01/2024 | ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | LifeVest (Device) | Food and Beverage | Cash or cash equivalent | $13.85 | General |
| Category: Electromedical and Electrotherapeutic Apparatus | ||||||
| 09/28/2024 | Edwards Lifesciences Corporation | — | Food and Beverage | In-kind items and services | $3.92 | General |
| 09/27/2024 | CARDIVA MEDICAL, INC. | SAVVYWIRE (Device) | Food and Beverage | In-kind items and services | $8.60 | General |
| Category: DEVICES | ||||||
| 09/27/2024 | CARDIVA MEDICAL, INC. | CARDIVA VASCADE 6/7F VCS (Device) | Food and Beverage | In-kind items and services | $5.92 | General |
| Category: DEVICES | ||||||
| 09/26/2024 | Edwards Lifesciences Corporation | — | Food and Beverage | In-kind items and services | $44.92 | General |
| 09/24/2024 | Edwards Lifesciences Corporation | — | Food and Beverage | In-kind items and services | $3.34 | General |
| 09/14/2024 | Edwards Lifesciences Corporation | — | Food and Beverage | In-kind items and services | $3.92 | General |
| 09/13/2024 | CARDIVA MEDICAL, INC. | CARDIVA VASCADE 5F VCS (Device) | Food and Beverage | In-kind items and services | $11.37 | General |
| Category: DEVICES | ||||||
| 09/06/2024 | CARDIVA MEDICAL, INC. | SAVVYWIRE (Device) | Food and Beverage | In-kind items and services | $22.81 | General |
| Category: DEVICES | ||||||
| 09/06/2024 | CARDIVA MEDICAL, INC. | SAVVYWIRE (Device) | Food and Beverage | In-kind items and services | $8.38 | General |
| Category: DEVICES | ||||||
Research Studies & Clinical Trials
| Study Name | Company | Amount | Records |
|---|---|---|---|
| Impella | ABIOMED | $165.96 | 1 |
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 15 | 743 | 1,831 | $743,168 | $193,115 |
| 2022 | 15 | 877 | 2,193 | $794,117 | $217,727 |
| 2021 | 16 | 811 | 1,838 | $741,519 | $197,161 |
| 2020 | 22 | 994 | 2,414 | $1.1M | $261,271 |
All Medicare Procedures & Services
70 procedure records from CMS Medicare Utilization — Page 1 of 3
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | Facility | 2023 | 61 | 353 | $208,976 | $61,814 | 29.6% |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Facility | 2023 | 140 | 629 | $206,941 | $61,409 | 29.7% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Facility | 2023 | 157 | 323 | $87,210 | $24,401 | 28.0% |
| 93460 | Insertion of tube in right and left heart chambers and coronary artery for diagnosis with review by radiologist | Facility | 2023 | 34 | 37 | $68,317 | $10,397 | 15.2% |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Facility | 2023 | 66 | 75 | $35,790 | $10,355 | 28.9% |
| 92928 | Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch | Facility | 2023 | 15 | 18 | $52,380 | $8,027 | 15.3% |
| 93461 | Insertion of tube in right and left heart chambers, coronary artery, and bypass graft for diagnosis with review by radiologist | Facility | 2023 | 17 | 18 | $37,044 | $4,534 | 12.2% |
| 93750 | Evaluation of lower heart chamber assist device | Facility | 2023 | 17 | 103 | $11,433 | $3,361 | 29.4% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Facility | 2023 | 21 | 22 | $8,712 | $2,257 | 25.9% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Facility | 2023 | 16 | 16 | $5,904 | $1,750 | 29.6% |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Facility | 2023 | 18 | 20 | $4,380 | $1,298 | 29.6% |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Facility | 2023 | 11 | 12 | $4,332 | $1,282 | 29.6% |
| 99152 | Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Facility | 2023 | 72 | 83 | $4,565 | $854.82 | 18.7% |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Facility | 2023 | 87 | 111 | $4,995 | $726.10 | 14.5% |
| 93571 | Ultrasound evaluation of heart blood vessel during diagnosis or treatment, initial vessel | Facility | 2023 | 11 | 11 | $2,189 | $649.44 | 29.7% |
| 99291 | Critical care, first 30-74 minutes | Facility | 2022 | 88 | 409 | $244,991 | $72,289 | 29.5% |
| 99233 | Follow-up hospital inpatient care per day, typically 35 minutes | Facility | 2022 | 182 | 834 | $234,354 | $69,936 | 29.8% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Facility | 2022 | 141 | 245 | $66,640 | $18,329 | 27.5% |
| 99223 | Initial hospital inpatient care per day, typically 70 minutes | Facility | 2022 | 89 | 107 | $58,101 | $17,478 | 30.1% |
| 93460 | Insertion of tube in right and left heart chambers and coronary artery for diagnosis with review by radiologist | Facility | 2022 | 49 | 49 | $91,483 | $13,242 | 14.5% |
| 99232 | Follow-up hospital inpatient care per day, typically 25 minutes | Facility | 2022 | 73 | 197 | $38,612 | $11,614 | 30.1% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Facility | 2022 | 33 | 41 | $16,523 | $4,951 | 30.0% |
| 93750 | Evaluation of lower heart chamber assist device | Facility | 2022 | 21 | 88 | $9,768 | $2,809 | 28.8% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Facility | 2022 | 13 | 13 | $4,862 | $1,465 | 30.1% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Facility | 2022 | 22 | 26 | $4,810 | $1,384 | 28.8% |
About Dr. Leo Simpson, MD
Dr. Leo Simpson, MD is a Cardiovascular Disease healthcare provider based in Houston, Texas. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 08/11/2006. The National Provider Identifier (NPI) number assigned to this provider is 1922019967.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Leo Simpson, MD has received a total of $37,898 in payments from pharmaceutical and medical device companies, with $1,043 received in 2024. These payments were reported across 458 transactions from 29 companies. The most common payment nature is "Travel and Lodging" ($10,830).
As a Medicare-enrolled provider, Simpson has provided services to 3,425 Medicare beneficiaries, totaling 8,276 services with total Medicare billing of $869,275. Data is available for 4 years (2020–2023), covering 70 distinct procedure/service records.
Practice Information
- Specialty Cardiovascular Disease
- Other Specialties Interventional Cardiology, Internal Medicine
- Location Houston, TX
- Active Since 08/11/2006
- Last Updated 11/20/2025
- Taxonomy Code 207RC0000X
- Entity Type Individual
- NPI Number 1922019967
Products in Payments
- Impella (Device) $13,788
- CardioMEMS HF System (Device) $7,007
- CoreValve Evolut (Device) $2,140
- Edwards SAPIEN 3 Transcatheter Heart Valve (Device) $1,720
- Mitra Clip system (Device) $1,601
- Micra (Device) $1,452
- EDWARDS SAPIEN 3 TRANSCATHETER HEART VALVE (THV) (Device) $1,217
- WATCHMAN (Device) $971.59
- CARDIOMEMS (Device) $806.63
- DIAMONDBACK CORONARY (Device) $359.02
- Diamondback Peripheral (Device) $236.92
- BALLOON BRIDGE (Device) $208.95
- MITRACLIP (Device) $189.85
- Diamondback Coronary (Device) $184.45
- HeartMate 3 Left Ventricular Dev (Device) $168.88
- CARDIVA VASCADE 5F VCS (Device) $167.21
- WATCHMAN Access System (Device) $144.37
- THORATEC HEARTMATE 3 LVAS IMPLANT KIT (Device) $142.07
- Merlin Connectivity and Remote (Device) $137.03
- HEARTMATE TOUCH (Device) $133.11
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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