Dr. Leo Simpson, MD

NPI: 1922019967
Total Payments
$37,898
2024 Payments
$1,043
Companies
29
Transactions
458
Medicare Patients
3,425
Medicare Billing
$869,275

Payment Breakdown by Category

Travel$10,830 (28.6%)
Other$10,200 (26.9%)
Food & Beverage$10,124 (26.7%)
Consulting$6,453 (17.0%)
Research$165.96 (0.4%)
Education$125.50 (0.3%)

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

General
$37,732
457 transactions
Research
$165.96
1 transactions

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
Total Patients
3,425
Total Services
8,276
Medicare Billing
$869,275
Procedure Codes
70

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

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.

Cardiovascular Disease Doctors in Houston