Dr. Christopher Aoki, M.D

NPI: 1164460499
Total Payments
$7,343
2024 Payments
$1,522
Companies
26
Transactions
266
Medicare Patients
2,205
Medicare Billing
$184,349

Payment Breakdown by Category

Food & Beverage$5,448 (74.2%)
Travel$1,895 (25.8%)
Other$0.00 (0.0%)

Payments by Nature

Nature of Payment Amount Transactions Share
Food and Beverage $5,448 261 74.2%
Travel and Lodging $1,895 5 25.8%

Top Paying Companies

Company Total Records Latest Year
ABBVIE INC. $1,522 81 $0 (2024)
Gilead Sciences, Inc. $1,447 89 $0 (2024)
Covidien LP $1,320 6 $0 (2018)
Boston Scientific Corporation $1,203 11 $0 (2023)
Takeda Pharmaceuticals U.S.A., Inc. $292.24 15 $0 (2024)
PFIZER INC. $275.38 18 $0 (2024)
Celgene Corporation $198.94 10 $0 (2024)
Regeneron Healthcare Solutions, Inc. $162.95 5 $0 (2024)
Intercept Pharmaceuticals, Inc. $120.95 5 $0 (2024)
GENZYME CORPORATION $118.08 4 $0 (2023)

Payment History by Year

Year Amount Transactions Top Company
2024 $1,522 75 Gilead Sciences, Inc. ($472.46)
2023 $1,222 55 Gilead Sciences, Inc. ($293.31)
2022 $455.37 17 ABBVIE INC. ($236.24)
2021 $683.89 38 AbbVie Inc. ($422.15)
2020 $504.55 35 AbbVie Inc. ($215.35)
2019 $540.79 26 Gilead Sciences, Inc. ($268.63)
2018 $1,046 13 Boston Scientific Corporation ($972.79)
2017 $1,368 7 Covidien LP ($1,300)

All Payment Transactions

266 individual payment records from CMS Open Payments — Page 1 of 11

Date Company Product Nature Form Amount Type
12/11/2024 ABBVIE INC. RINVOQ (Biological), SKYRIZI Food and Beverage In-kind items and services $25.83 General
Category: IMMUNOLOGY
12/10/2024 Janssen Biotech, Inc. TREMFYA (Drug) Food and Beverage In-kind items and services $15.93 General
Category: Immunology
12/10/2024 Gilead Sciences, Inc. Food and Beverage In-kind items and services $6.72 General
12/07/2024 Regeneron Healthcare Solutions, Inc. DUPIXENT (Biological) Food and Beverage In-kind items and services $33.54 General
Category: INFLAMMATION AND IMMUNOLOGY
12/03/2024 Mirum Pharmaceuticals, Inc. Livmarli (Drug) Food and Beverage In-kind items and services $33.02 General
Category: Alagille syndrome
11/21/2024 Gilead Sciences, Inc. Food and Beverage In-kind items and services $25.03 General
11/19/2024 Gilead Sciences, Inc. Food and Beverage In-kind items and services $6.55 General
11/13/2024 ABBVIE INC. RINVOQ (Biological), SKYRIZI Food and Beverage In-kind items and services $24.54 General
Category: IMMUNOLOGY
11/13/2024 Gilead Sciences, Inc. Food and Beverage In-kind items and services $4.47 General
11/07/2024 Gilead Sciences, Inc. Food and Beverage In-kind items and services $6.14 General
10/29/2024 Gilead Sciences, Inc. Food and Beverage In-kind items and services $5.92 General
10/25/2024 Gilead Sciences, Inc. Food and Beverage In-kind items and services $22.14 General
10/23/2024 Gilead Sciences, Inc. Food and Beverage In-kind items and services $30.77 General
10/23/2024 ABBVIE INC. SKYRIZI (Biological), RINVOQ Food and Beverage In-kind items and services $22.98 General
Category: IMMUNOLOGY
10/18/2024 Regeneron Healthcare Solutions, Inc. DUPIXENT (Biological) Food and Beverage In-kind items and services $32.40 General
Category: INFLAMMATION AND IMMUNOLOGY
10/15/2024 Takeda Pharmaceuticals U.S.A., Inc. GATTEX (Drug) Food and Beverage In-kind items and services $8.38 General
Category: INTERNAL MEDICINE
10/15/2024 Gilead Sciences, Inc. Food and Beverage In-kind items and services $6.75 General
10/10/2024 Ipsen Biopharmaceuticals, Inc IQIRVO (Drug) Food and Beverage In-kind items and services $33.25 General
Category: Rare Disease
10/10/2024 Gilead Sciences, Inc. Food and Beverage In-kind items and services $6.54 General
10/09/2024 ABBVIE INC. RINVOQ (Biological), SKYRIZI Food and Beverage In-kind items and services $27.77 General
Category: IMMUNOLOGY
10/08/2024 Gilead Sciences, Inc. Food and Beverage In-kind items and services $28.00 General
10/01/2024 Gilead Sciences, Inc. Food and Beverage In-kind items and services $12.82 General
09/28/2024 Madrigal Pharmaceuticals RESMETIROM (Drug) Food and Beverage In-kind items and services $33.75 General
Category: LIVER DISEASE
09/24/2024 Gilead Sciences, Inc. Food and Beverage In-kind items and services $7.67 General
09/18/2024 Celgene Corporation ZEPOSIA (Drug) Food and Beverage Cash or cash equivalent $21.89 General
Category: Neuroscience

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 9 487 586 $197,475 $43,533
2022 12 584 689 $236,659 $50,270
2021 11 564 674 $165,828 $49,241
2020 14 570 652 $142,091 $41,306
Total Patients
2,205
Total Services
2,601
Medicare Billing
$184,349
Procedure Codes
60

All Medicare Procedures & Services

60 procedure records from CMS Medicare Utilization — Page 1 of 3

HCPCS Description Setting Year Patients Services Charges Medicare Paid Ratio
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare Facility 2023 48 48 $37,152 $9,609 25.9%
99214 Established patient office or other outpatient visit, 30-39 minutes Facility 2023 47 86 $21,414 $5,984 27.9%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2023 42 72 $17,928 $5,109 28.5%
45380 Biopsy of large bowel using a flexible endoscope Facility 2023 58 59 $40,828 $4,361 10.7%
99213 Established patient office or other outpatient visit, 20-29 minutes Facility 2023 75 88 $14,872 $4,224 28.4%
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope Facility 2023 51 52 $27,196 $3,690 13.6%
99213 Established patient office or other outpatient visit, 20-29 minutes Office 2023 58 73 $12,337 $3,599 29.2%
99203 New patient office or other outpatient visit, 30-44 minutes Facility 2023 44 44 $9,240 $2,613 28.3%
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes Facility 2023 13 13 $4,394 $1,387 31.6%
99203 New patient office or other outpatient visit, 30-44 minutes Office 2023 25 25 $5,250 $1,094 20.8%
99204 New patient office or other outpatient visit, 45-59 minutes Facility 2023 12 12 $4,092 $952.29 23.3%
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes Facility 2023 14 14 $2,772 $910.14 32.8%
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare Facility 2022 56 57 $44,118 $11,520 26.1%
99213 Established patient office or other outpatient visit, 20-29 minutes Facility 2022 76 100 $16,900 $4,742 28.1%
45380 Biopsy of large bowel using a flexible endoscope Facility 2022 72 72 $49,824 $4,718 9.5%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2022 43 70 $17,430 $4,557 26.1%
99214 Established patient office or other outpatient visit, 30-39 minutes Facility 2022 37 61 $15,189 $4,377 28.8%
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope Facility 2022 58 58 $30,334 $4,129 13.6%
99213 Established patient office or other outpatient visit, 20-29 minutes Office 2022 52 72 $12,168 $3,388 27.8%
99222 Initial hospital inpatient care per day, typically 50 minutes Facility 2022 27 27 $9,126 $2,699 29.6%
99203 New patient office or other outpatient visit, 30-44 minutes Facility 2022 32 32 $6,720 $2,030 30.2%
99232 Follow-up hospital inpatient care per day, typically 25 minutes Facility 2022 26 30 $5,370 $1,775 33.1%
99204 New patient office or other outpatient visit, 45-59 minutes Facility 2022 19 19 $6,479 $1,697 26.2%
99204 New patient office or other outpatient visit, 45-59 minutes Office 2022 17 17 $5,797 $1,513 26.1%
99203 New patient office or other outpatient visit, 30-44 minutes Office 2022 27 27 $5,670 $1,299 22.9%

About Dr. Christopher Aoki, M.D

Dr. Christopher Aoki, M.D is a Gastroenterology healthcare provider based in Sacramento, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 06/02/2006. The National Provider Identifier (NPI) number assigned to this provider is 1164460499.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Christopher Aoki, M.D has received a total of $7,343 in payments from pharmaceutical and medical device companies, with $1,522 received in 2024. These payments were reported across 266 transactions from 26 companies. The most common payment nature is "Food and Beverage" ($5,448).

As a Medicare-enrolled provider, Aoki has provided services to 2,205 Medicare beneficiaries, totaling 2,601 services with total Medicare billing of $184,349. Data is available for 4 years (2020–2023), covering 60 distinct procedure/service records.

Practice Information

  • Specialty Gastroenterology
  • Other Specialties Gastroenterology
  • Location Sacramento, CA
  • Active Since 06/02/2006
  • Last Updated 11/19/2008
  • Taxonomy Code 207RG0100X
  • Entity Type Individual
  • NPI Number 1164460499

Products in Payments

  • Beacon (Device) $1,300
  • GENERAL BILIARY DEVICES (Device) $848.65
  • HUMIRA (Biological) $638.25
  • RINVOQ (Biological) $482.52
  • DUPIXENT (Biological) $281.03
  • SKYRIZI (Biological) $221.46
  • ENTYVIO (Biological) $215.20
  • ZEPOSIA (Drug) $198.94
  • XELJANZ (Drug) $198.06
  • Resolution Clip (Device) $176.28
  • OCALIVA (Drug) $120.95
  • NA (Device) $104.12
  • Olympus EUS Devices (Device) $101.33
  • ACQUIRE (Device) $101.25
  • TERLIVAZ (Drug) $86.66
  • INFLECTRA (Biological) $77.32
  • IMFINZI (Biological) $65.94
  • Livmarli (Drug) $63.73
  • OTHER- BSC PRODUCT NOT LISTED (Device) $53.85
  • MAVYRET (Drug) $50.05

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.

Gastroenterology Doctors in Sacramento