Total Payments
$6,397
2024 Payments
$829.20
Companies
15
Transactions
93
Medicare Patients
1,077
Medicare Billing
$157,144

Payment Breakdown by Category

Food & Beverage$3,062 (47.9%)
Travel$2,845 (44.5%)
Other$348.84 (5.5%)
Education$140.53 (2.2%)

Payments by Nature

Nature of Payment Amount Transactions Share
Food and Beverage $3,062 69 47.9%
Travel and Lodging $2,845 20 44.5%
Grant $348.84 1 5.5%
Education $140.53 3 2.2%

Top Paying Companies

Company Total Records Latest Year
Medtronic, Inc. $3,036 27 $0 (2022)
Boston Scientific Corporation $1,129 14 $0 (2024)
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $733.94 13 $0 (2024)
Novo Nordisk Inc $498.41 16 $0 (2024)
BIOTRONIK INC. $370.22 7 $0 (2024)
PFIZER INC. $217.16 5 $0 (2021)
Janssen Pharmaceuticals, Inc $121.84 1 $0 (2024)
Kestra Medical Technology Services, Inc. $96.87 1 $0 (2024)
Abbott Laboratories $64.66 2 $0 (2022)
Impulse Dynamics (USA) Inc. $25.33 1 $0 (2023)

Payment History by Year

Year Amount Transactions Top Company
2024 $829.20 19 Novo Nordisk Inc ($170.34)
2023 $543.33 19 Novo Nordisk Inc ($328.07)
2022 $3,901 39 Medtronic, Inc. ($3,036)
2021 $1,003 15 BOSTON SCIENTIFIC CORPORATION ($611.01)
2019 $120.75 1 PFIZER INC. ($120.75)

All Payment Transactions

93 individual payment records from CMS Open Payments — Page 1 of 4

Date Company Product Nature Form Amount Type
11/19/2024 Novo Nordisk Inc Food and Beverage In-kind items and services $121.83 General
11/07/2024 ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) LifeVest (Device) Food and Beverage Cash or cash equivalent $18.04 General
Category: Electromedical and Electrotherapeutic Apparatus
10/24/2024 Novartis Pharmaceuticals Corporation LEQVIO (Drug) Food and Beverage In-kind items and services $14.18 General
Category: Cardiology/Vascular Diseases
08/30/2024 ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) LifeVest (Device) Food and Beverage Cash or cash equivalent $40.81 General
Category: Electromedical and Electrotherapeutic Apparatus
07/10/2024 Novo Nordisk Inc Ozempic (Drug), Rybelsus Food and Beverage In-kind items and services $6.45 General
Category: Diabetes
06/13/2024 HEARTFLOW, INC. FFRct (Device) Food and Beverage Cash or cash equivalent $23.95 General
Category: Coronary
05/10/2024 Novo Nordisk Inc Rybelsus (Drug), Ozempic Food and Beverage In-kind items and services $13.65 General
Category: Diabetes
05/07/2024 Boston Scientific Corporation WATCHMAN FLX (Device) Food and Beverage In-kind items and services $129.65 General
Category: WATCHMAN FLX_IC
04/11/2024 Novo Nordisk Inc Rybelsus (Drug), Ozempic Food and Beverage In-kind items and services $20.47 General
Category: Diabetes
03/19/2024 ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) LifeVest (Device) Food and Beverage Cash or cash equivalent $27.26 General
Category: Electromedical and Electrotherapeutic Apparatus
03/15/2024 Novo Nordisk Inc Ozempic (Drug), Rybelsus Food and Beverage In-kind items and services $3.22 General
Category: Diabetes
03/14/2024 Janssen Biotech, Inc. STELARA (Biological) Food and Beverage In-kind items and services $10.06 General
Category: Immunology
03/13/2024 Janssen Pharmaceuticals, Inc XARELTO (Drug) Food and Beverage In-kind items and services $121.84 General
Category: Cardiovascular & Metabolism
02/27/2024 Novo Nordisk Inc Rybelsus (Drug), Ozempic Food and Beverage In-kind items and services $4.72 General
Category: Diabetes
02/21/2024 BIOTRONIK INC. Acticor 7 VR-T DX (Device) Food and Beverage In-kind items and services $129.07 General
Category: Cardiology/Vascular Diseases
02/16/2024 BIOTRONIK INC. BIOMONITOR (Device) Food and Beverage In-kind items and services $21.75 General
Category: Cardiology/Vascular Diseases
01/24/2024 Kestra Medical Technology Services, Inc. Assure WCD (Device) Food and Beverage Cash or cash equivalent $96.87 General
Category: Cardiology
01/23/2024 Janssen Biotech, Inc. STELARA (Biological) Food and Beverage In-kind items and services $8.62 General
Category: Immunology
01/04/2024 BIOTRONIK INC. BIOMONITOR (Device), AMVIA EDGE Food and Beverage In-kind items and services $16.76 General
Category: Cardiology/Vascular Diseases
12/15/2023 Novo Nordisk Inc Rybelsus (Drug), Ozempic Food and Beverage In-kind items and services $3.32 General
Category: Diabetes
12/08/2023 iRhythm Technologies, Inc. ZIO XT Patch (Device) Food and Beverage In-kind items and services $23.11 General
Category: Cardiology/Vascular Diseases
11/29/2023 Novo Nordisk Inc Wegovy (Drug) Education In-kind items and services $32.27 General
Category: Obesity
11/29/2023 Novo Nordisk Inc Wegovy (Drug) Education In-kind items and services $32.27 General
Category: Obesity
11/22/2023 Novo Nordisk Inc Ozempic (Drug), Rybelsus Food and Beverage In-kind items and services $20.39 General
Category: Diabetes
11/09/2023 Novo Nordisk Inc Wegovy (Drug) Food and Beverage In-kind items and services $107.51 General
Category: Obesity

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 16 946 1,429 $528,699 $138,017
2022 6 131 164 $70,315 $19,128
Total Patients
1,077
Total Services
1,593
Medicare Billing
$157,144
Procedure Codes
23

All Medicare Procedures & Services

23 procedure records from CMS Medicare Utilization

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 161 382 $139,430 $40,553 29.1%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2023 153 333 $121,212 $36,958 30.5%
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes Facility 2023 108 140 $98,560 $21,449 21.8%
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function Office 2023 50 52 $45,916 $10,063 21.9%
99204 New patient office or other outpatient visit, 45-59 minutes Office 2023 52 52 $28,808 $7,307 25.4%
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function Facility 2023 111 117 $29,133 $7,022 24.1%
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes Facility 2023 42 67 $16,884 $4,700 27.8%
99205 New patient office or other outpatient visit, 60-74 minutes Office 2023 14 14 $9,758 $2,211 22.7%
99215 Established patient office or other outpatient visit, 40-54 minutes Office 2023 11 12 $5,868 $1,839 31.3%
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes Facility 2023 11 13 $6,214 $1,552 25.0%
93248 Heart rhythm review and interpretation of continous external ekg over 8-15 days Office 2023 52 55 $5,555 $1,192 21.5%
93246 Heart rhythm recording of continous external ekg over 8-15 days Office 2023 70 73 $4,599 $899.22 19.6%
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report Office 2023 48 55 $4,565 $722.28 15.8%
93356 Heart muscle strain imaging Office 2023 17 17 $3,179 $648.72 20.4%
76376 3d radiographic procedure Office 2023 16 17 $6,324 $412.25 6.5%
93308 Ultrasound of heart, follow-up Facility 2023 12 12 $1,452 $264.60 18.2%
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician Facility 2023 18 18 $1,242 $223.20 18.0%
99223 Initial hospital inpatient care per day, typically 70 minutes Facility 2022 24 53 $36,570 $9,188 25.1%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2022 42 43 $15,179 $5,124 33.8%
99204 New patient office or other outpatient visit, 45-59 minutes Office 2022 14 14 $7,532 $2,145 28.5%
99233 Follow-up hospital inpatient care per day, typically 35 minutes Facility 2022 11 14 $5,012 $1,257 25.1%
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function Facility 2022 18 18 $4,284 $1,117 26.1%
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report Office 2022 22 22 $1,738 $297.00 17.1%

About Grace Liu

Grace Liu is a Student in an Organized Health Care Education/Training Program healthcare provider based in Antioch, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 03/22/2016. The National Provider Identifier (NPI) number assigned to this provider is 1013379882.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Grace Liu has received a total of $6,397 in payments from pharmaceutical and medical device companies, with $829.20 received in 2024. These payments were reported across 93 transactions from 15 companies. The most common payment nature is "Food and Beverage" ($3,062).

As a Medicare-enrolled provider, Liu has provided services to 1,077 Medicare beneficiaries, totaling 1,593 services with total Medicare billing of $157,144. Data is available for 2 years (2022–2023), covering 23 distinct procedure/service records.

Practice Information

Products in Payments

  • ADVISA DR MRI SURESCAN (Device) $1,823
  • LifeVest (Device) $733.94
  • GENERAL ATHERECTOMY (Device) $392.97
  • General - Therapies (Device) $174.54
  • Wegovy (Drug) $172.05
  • AZURE XT DR MRI SURESCAN (Device) $168.83
  • VYNDAQEL (Drug) $160.08
  • General - Atherectomy (Device) $135.88
  • Edora 8 DR-T (Device) $130.64
  • WATCHMAN FLX (Device) $129.65
  • Acticor 7 VR-T DX (Device) $129.07
  • XARELTO (Drug) $121.84
  • BIOMONITOR (Device) $110.51
  • GENERAL STENTS (Device) $109.62
  • SYNERGY (Device) $108.42
  • Assure WCD (Device) $96.87
  • Ozempic (Drug) $64.18
  • ELIQUIS (Drug) $57.08
  • Rybelsus (Drug) $49.52
  • MERLIN@HOME (Device) $39.95

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.

Student in an Organized Health Care Education/Training Program Doctors in Antioch