Dr. Brian Chen, M.D

NPI: 1952631632
Total Payments
$11,660
2024 Payments
$452.98
Companies
18
Transactions
137
Medicare Patients
9,884
Medicare Billing
$806,479

Payment Breakdown by Category

Food & Beverage$7,563 (64.9%)
Consulting$2,550 (21.9%)
Travel$1,457 (12.5%)
Gifts$90.00 (0.8%)

Payments by Nature

Nature of Payment Amount Transactions Share
Food and Beverage $7,563 128 64.9%
Consulting Fee $2,550 1 21.9%
Travel and Lodging $1,457 6 12.5%
Gift $90.00 2 0.8%

Top Paying Companies

Company Total Records Latest Year
Allergan, Inc. $5,016 29 $0 (2021)
Glaukos Corporation $1,431 15 $0 (2024)
Johnson & Johnson Surgical Vision, Inc. $1,349 7 $0 (2022)
Bausch & Lomb Americas Inc. $863.23 10 $0 (2022)
ABBVIE INC. $790.02 14 $0 (2024)
Bausch & Lomb, a division of Bausch Health US, LLC $499.39 15 $0 (2021)
Valeant Pharmaceuticals North America LLC $418.23 11 $0 (2017)
Aerie Pharmaceuticals, Inc. $266.69 8 $0 (2021)
SUN PHARMACEUTICAL INDUSTRIES INC. $193.95 4 $0 (2021)
Horizon Therapeutics plc $170.22 7 $0 (2023)

Payment History by Year

Year Amount Transactions Top Company
2024 $452.98 8 ABBVIE INC. ($203.97)
2023 $311.33 10 AbbVie Inc. ($157.69)
2022 $1,492 22 Bausch & Lomb Americas Inc. ($863.23)
2021 $874.31 18 Allergan, Inc. ($369.98)
2020 $496.19 12 Allergan, Inc. ($279.22)
2019 $782.43 9 Glaukos Corporation ($292.01)
2018 $5,793 34 Allergan Inc. ($3,825)
2017 $1,458 24 Allergan Inc. ($430.78)

All Payment Transactions

137 individual payment records from CMS Open Payments — Page 1 of 6

Date Company Product Nature Form Amount Type
10/28/2024 ABBVIE INC. LUMIGAN (Drug) Food and Beverage In-kind items and services $3.39 General
Category: EYE CARE
09/24/2024 ABBVIE INC. XEN GLAUCOMA TREATMENT SYSTEM (Device) Food and Beverage In-kind items and services $8.56 General
Category: EYE CARE
07/22/2024 ABBVIE INC. XEN GLAUCOMA TREATMENT SYSTEM (Device) Food and Beverage In-kind items and services $80.27 General
Category: EYE CARE
05/15/2024 Alcon Vision LLC HYDRUS Microstent (Device) Food and Beverage In-kind items and services $24.77 General
Category: Ophthalmology
03/20/2024 Alcon Vision LLC HYDRUS Microstent (Device) Food and Beverage In-kind items and services $19.22 General
Category: Ophthalmology
03/18/2024 Amgen Inc. TEPEZZA (Biological) Food and Beverage In-kind items and services $26.97 General
Category: Inflammation/Rare Disease
03/01/2024 Glaukos Corporation iStent Trabecular Micro-Bypass System Model iS3 (Device) Food and Beverage Cash or cash equivalent $178.05 General
Category: Glaucoma
03/01/2024 ABBVIE INC. XEN GLAUCOMA TREATMENT SYSTEM (Device) Food and Beverage In-kind items and services $111.75 General
Category: EYE CARE
12/04/2023 Horizon Therapeutics plc TEPEZZA (Drug) Food and Beverage In-kind items and services $30.00 General
Category: TEPEZZA
10/16/2023 AbbVie Inc. XEN GLAUCOMA TREATMENT SYSTEM (Device) Food and Beverage In-kind items and services $80.02 General
Category: EYE CARE
09/22/2023 CSL Behring Kcentra (Biological) Food and Beverage In-kind items and services $19.98 General
Category: Trauma (Emergency, Injury, Surgery)
08/21/2023 AbbVie Inc. XEN GLAUCOMA TREATMENT SYSTEM (Device) Food and Beverage In-kind items and services $36.09 General
Category: EYE CARE
08/01/2023 CSL Behring Kcentra (Biological) Food and Beverage In-kind items and services $27.82 General
Category: Trauma (Emergency, Injury, Surgery)
07/31/2023 Horizon Therapeutics plc TEPEZZA (Drug) Food and Beverage In-kind items and services $30.00 General
Category: TEPEZZA
07/26/2023 AbbVie Inc. XEN GLAUCOMA TREATMENT SYSTEM (Device) Food and Beverage In-kind items and services $17.77 General
Category: EYE CARE
04/17/2023 Horizon Therapeutics plc TEPEZZA (Drug) Food and Beverage In-kind items and services $24.68 General
Category: TEPEZZA
01/23/2023 Horizon Therapeutics plc TEPEZZA (Drug) Food and Beverage In-kind items and services $21.16 General
Category: TEPEZZA
01/11/2023 AbbVie Inc. XEN GLAUCOMA TREATMENT SYSTEM (Device) Food and Beverage In-kind items and services $23.81 General
Category: EYE CARE
12/13/2022 Bausch & Lomb Americas Inc. enVista MX60 IOL (Device), AMVISC Food and Beverage In-kind items and services $110.14 General
Category: Ophthalmology
11/29/2022 Bausch & Lomb Americas Inc. enVista MX60 IOL (Device), AMVISC Food and Beverage In-kind items and services $45.70 General
Category: Ophthalmology
11/28/2022 Horizon Therapeutics plc TEPEZZA (Drug) Food and Beverage In-kind items and services $25.89 General
Category: TEPEZZA
11/09/2022 Bausch & Lomb Americas Inc. AMVISC (Device), enVista MX60 IOL Food and Beverage In-kind items and services $121.75 General
Category: Ophthalmology
11/09/2022 Bausch & Lomb Americas Inc. enVista MX60 IOL (Device), AMVISC Food and Beverage In-kind items and services $118.41 General
Category: Ophthalmology
11/09/2022 ABBVIE INC. XEN GLAUCOMA TREATMENT SYSTEM (Device) Food and Beverage In-kind items and services $28.24 General
Category: GLAUCOMA
10/26/2022 Bausch & Lomb Americas Inc. AMVISC (Device), enVista MX60 IOL Food and Beverage In-kind items and services $102.18 General
Category: Ophthalmology

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 15 2,800 3,162 $712,372 $241,061
2022 15 2,754 3,024 $674,034 $227,393
2021 13 2,393 2,667 $519,644 $179,274
2020 12 1,937 2,177 $451,975 $158,751
Total Patients
9,884
Total Services
11,030
Medicare Billing
$806,479
Procedure Codes
57

All Medicare Procedures & Services

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

HCPCS Description Setting Year Patients Services Charges Medicare Paid Ratio
92014 Established patient complete exam of visual system Office 2023 578 594 $168,603 $56,744 33.7%
66984 Removal of cataract with insertion of prosthetic lens Facility 2023 85 110 $140,800 $51,216 36.4%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2023 232 374 $104,495 $35,077 33.6%
99213 Established patient office or other outpatient visit, 20-29 minutes Office 2023 203 226 $44,840 $15,448 34.5%
66821 Removal of recurring cataract in lens capsule using a laser Office 2023 33 48 $35,868 $12,992 36.2%
66982 Complex removal of cataract with insertion of prosthetic lens Facility 2023 18 19 $31,920 $12,013 37.6%
92083 Exam of visual field with extended testing Office 2023 269 273 $39,027 $11,957 30.6%
92133 Imaging of optic nerve Office 2023 340 353 $29,081 $9,315 32.0%
99204 New patient office or other outpatient visit, 45-59 minutes Office 2023 74 74 $26,749 $7,385 27.6%
92136 Measurement of corneal curvature and depth of eye Office 2023 142 214 $20,579 $7,013 34.1%
92020 Exam of the internal drainage system of eye Office 2023 283 290 $17,880 $5,799 32.4%
68761 Closure of tear duct opening using plug Office 2023 11 24 $13,826 $3,699 26.8%
66821 Removal of recurring cataract in lens capsule using a laser Facility 2023 12 13 $9,748 $3,491 35.8%
92250 Photography of the retina Office 2023 130 131 $11,033 $3,407 30.9%
92134 Imaging of retina Office 2023 114 114 $10,298 $3,259 31.6%
76514 Ultrasound scan of cornea to determine thickness Office 2023 276 305 $7,625 $2,244 29.4%
92014 Established patient complete exam of visual system Office 2022 567 586 $168,768 $56,027 33.2%
66984 Removal of cataract with insertion of prosthetic lens Facility 2022 63 89 $112,624 $41,060 36.5%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2022 210 295 $84,075 $31,210 37.1%
99213 Established patient office or other outpatient visit, 20-29 minutes Office 2022 225 249 $50,298 $15,367 30.6%
66821 Removal of recurring cataract in lens capsule using a laser Office 2022 38 55 $41,580 $15,225 36.6%
66982 Complex removal of cataract with insertion of prosthetic lens Facility 2022 14 19 $29,442 $12,314 41.8%
92083 Exam of visual field with extended testing Office 2022 266 273 $39,526 $12,079 30.6%
92133 Imaging of optic nerve Office 2022 361 373 $31,332 $9,931 31.7%
99204 New patient office or other outpatient visit, 45-59 minutes Office 2022 87 87 $32,103 $7,660 23.9%

About Dr. Brian Chen, M.D

Dr. Brian Chen, M.D is a Internal Medicine healthcare provider based in San Gabriel, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 01/02/2010. The National Provider Identifier (NPI) number assigned to this provider is 1952631632.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Brian Chen, M.D has received a total of $11,660 in payments from pharmaceutical and medical device companies, with $452.98 received in 2024. These payments were reported across 137 transactions from 18 companies. The most common payment nature is "Food and Beverage" ($7,563).

As a Medicare-enrolled provider, Chen has provided services to 9,884 Medicare beneficiaries, totaling 11,030 services with total Medicare billing of $806,479. Data is available for 4 years (2020–2023), covering 57 distinct procedure/service records.

Practice Information

  • Specialty Internal Medicine
  • Other Specialties Ophthalmology, Ophthalmology
  • Location San Gabriel, CA
  • Active Since 01/02/2010
  • Last Updated 08/07/2020
  • Taxonomy Code 207R00000X
  • Entity Type Individual
  • Practice Solo Practitioner
  • NPI Number 1952631632

Products in Payments

  • ALPHAGAN P (Drug) $3,687
  • XEN GLAUCOMA TREATMENT SYSTEM (Device) $1,157
  • Tecnis 1-piece IOL (Device) $1,148
  • ISTENT TRABECULAR MICRO-BYPASS STENT SYSTEM (Device) $536.35
  • XEN (Device) $438.70
  • AMVISC (Device) $436.08
  • enVista MX60 IOL (Device) $427.15
  • iStent Trabecular Micro-Bypass Stent System (Device) $275.96
  • PROLENSA (Drug) $224.99
  • Rhopressa (Drug) $185.60
  • Tecnis Multifocal Family of 1-piece IOLS (Device) $180.77
  • iStent Trabecular Micro-Bypass System Model iS3 (Device) $178.05
  • TEPEZZA (Drug) $170.22
  • VYZULTA (Drug) $168.45
  • LOTEMAX GEL (Drug) $158.40
  • iStent inject Trabecular Micro-Bypass Stent System (Device) $156.26
  • ORA (Device) $146.45
  • COMBIGAN (Drug) $128.12
  • iStent inject W (Device) $127.96
  • LOTEMAX SM (Drug) $125.00

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.

Internal Medicine Doctors in San Gabriel