Alexander Chen

NPI: 1528594546
Total Payments
$1,842
2024 Payments
$160.05
Companies
7
Transactions
38
Medicare Patients
767
Medicare Billing
$52,592

Payment Breakdown by Category

Food & Beverage$1,551 (84.2%)
Travel$290.64 (15.8%)
Other$0.00 (0.0%)

Payments by Nature

Nature of Payment Amount Transactions Share
Food and Beverage $1,551 36 84.2%
Travel and Lodging $290.64 2 15.8%

Top Paying Companies

Company Total Records Latest Year
ABBVIE INC. $814.85 17 $0 (2024)
Allergan, Inc. $677.36 11 $0 (2022)
Glaukos Corporation $150.02 3 $0 (2021)
Alcon Vision LLC $76.84 2 $0 (2024)
Horizon Therapeutics plc $74.48 3 $0 (2022)
Bausch & Lomb Americas Inc. $24.95 1 $0 (2024)
Mallinckrodt Hospital Products Inc. $23.29 1 $0 (2021)

Payment History by Year

Year Amount Transactions Top Company
2024 $160.05 4 ABBVIE INC. ($107.62)
2023 $255.33 7 AbbVie Inc. ($205.97)
2022 $541.54 11 ABBVIE INC. ($501.26)
2021 $884.87 16 Allergan, Inc. ($661.39)

All Payment Transactions

38 individual payment records from CMS Open Payments — Page 1 of 2

Date Company Product Nature Form Amount Type
12/20/2024 ABBVIE INC. XEN GLAUCOMA TREATMENT SYSTEM (Device) Food and Beverage In-kind items and services $27.35 General
Category: EYE CARE
10/16/2024 Bausch & Lomb Americas Inc. XIIDRA (Drug) Food and Beverage In-kind items and services $24.95 General
Category: Ophthalmology
08/19/2024 Alcon Vision LLC Clareon (Device) Food and Beverage In-kind items and services $27.48 General
Category: Ophthalmology
07/22/2024 ABBVIE INC. XEN GLAUCOMA TREATMENT SYSTEM (Device) Food and Beverage In-kind items and services $80.27 General
Category: EYE CARE
12/15/2023 AbbVie Inc. LUMIGAN (Drug) Food and Beverage In-kind items and services $31.04 General
Category: EYE CARE
10/16/2023 AbbVie Inc. XEN GLAUCOMA TREATMENT SYSTEM (Device) Food and Beverage In-kind items and services $80.02 General
Category: EYE CARE
10/13/2023 AbbVie Inc. XEN GLAUCOMA TREATMENT SYSTEM (Device) Food and Beverage In-kind items and services $9.28 General
Category: EYE CARE
09/25/2023 AbbVie Inc. XEN GLAUCOMA TREATMENT SYSTEM (Device) Food and Beverage In-kind items and services $11.55 General
Category: EYE CARE
08/15/2023 AbbVie Inc. XEN GLAUCOMA TREATMENT SYSTEM (Device) Food and Beverage In-kind items and services $20.29 General
Category: EYE CARE
05/16/2023 Alcon Vision LLC Clareon (Device) Food and Beverage In-kind items and services $49.36 General
Category: Ophthalmology
03/22/2023 AbbVie Inc. XEN GLAUCOMA TREATMENT SYSTEM (Device) Food and Beverage In-kind items and services $53.79 General
Category: EYE CARE
12/20/2022 ABBVIE INC. XEN GLAUCOMA TREATMENT SYSTEM (Device) Food and Beverage In-kind items and services $16.72 General
Category: GLAUCOMA
12/07/2022 ABBVIE INC. XEN GLAUCOMA TREATMENT SYSTEM (Device) Food and Beverage In-kind items and services $24.18 General
Category: GLAUCOMA
11/15/2022 ABBVIE INC. XEN GLAUCOMA TREATMENT SYSTEM (Device) Food and Beverage In-kind items and services $15.14 General
Category: GLAUCOMA
09/19/2022 ABBVIE INC. XEN GLAUCOMA TREATMENT SYSTEM (Device) Food and Beverage In-kind items and services $96.02 General
Category: GLAUCOMA
08/31/2022 ABBVIE INC. XEN GLAUCOMA TREATMENT SYSTEM (Device) Food and Beverage In-kind items and services $23.09 General
Category: GLAUCOMA
08/04/2022 ABBVIE INC. VUITY (Drug) Food and Beverage In-kind items and services $29.95 General
Category: OPHTHALMOLOGY
07/14/2022 ABBVIE INC. XEN GLAUCOMA TREATMENT SYSTEM (Device) Food and Beverage In-kind items and services $118.60 General
Category: GLAUCOMA
07/14/2022 ABBVIE INC. XEN GLAUCOMA TREATMENT SYSTEM (Device) Food and Beverage In-kind items and services $87.27 General
Category: GLAUCOMA
05/19/2022 Horizon Therapeutics plc TEPEZZA (Drug) Food and Beverage In-kind items and services $24.31 General
Category: TEPEZZA
05/03/2022 ABBVIE INC. XEN GLAUCOMA TREATMENT SYSTEM (Device) Food and Beverage In-kind items and services $90.29 General
Category: GLAUCOMA
02/24/2022 Allergan, Inc. XEN GLAUCOMA TREATMENT SYSTEM (Device) Food and Beverage In-kind items and services $15.97 General
Category: GLAUCOMA
12/06/2021 Allergan, Inc. XEN GLAUCOMA TREATMENT SYSTEM (Device) Food and Beverage In-kind items and services $50.69 General
Category: GLAUCOMA
11/15/2021 Horizon Therapeutics plc TEPEZZA (Drug) Food and Beverage In-kind items and services $27.52 General
Category: TEPEZZA
11/01/2021 Allergan, Inc. XEN GLAUCOMA TREATMENT SYSTEM (Device) Food and Beverage In-kind items and services $8.06 General
Category: GLAUCOMA

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 11 425 481 $74,751 $22,921
2022 9 342 405 $85,555 $29,671
Total Patients
767
Total Services
886
Medicare Billing
$52,592
Procedure Codes
20

All Medicare Procedures & Services

20 procedure records from CMS Medicare Utilization

HCPCS Description Setting Year Patients Services Charges Medicare Paid Ratio
99213 Established patient office or other outpatient visit, 20-29 minutes Office 2023 125 165 $32,705 $10,501 32.1%
92012 Established patient problem focused exam of visual system Office 2023 37 41 $8,259 $2,693 32.6%
92083 Exam of visual field with extended testing Office 2023 54 55 $7,840 $2,283 29.1%
99203 New patient office or other outpatient visit, 30-44 minutes Office 2023 24 24 $5,912 $2,095 35.4%
92133 Imaging of optic nerve Office 2023 58 63 $5,186 $1,630 31.4%
99212 Established patient office or other outpatient visit, 10-19 minutes Office 2023 23 23 $2,899 $1,140 39.3%
92014 Established patient complete exam of visual system Office 2023 19 19 $5,301 $1,055 19.9%
92004 New patient complete exam of visual system Office 2023 11 11 $3,638 $623.67 17.1%
76514 Ultrasound scan of cornea to determine thickness Office 2023 49 55 $1,376 $427.87 31.1%
92136 Measurement of corneal curvature and depth of eye Office 2023 14 14 $955.00 $278.68 29.2%
92020 Exam of the internal drainage system of eye Office 2023 11 11 $680.14 $194.56 28.6%
99213 Established patient office or other outpatient visit, 20-29 minutes Office 2022 122 180 $36,360 $13,482 37.1%
92004 New patient complete exam of visual system Office 2022 57 57 $19,380 $6,201 32.0%
92083 Exam of visual field with extended testing Office 2022 46 48 $6,960 $2,585 37.1%
92014 Established patient complete exam of visual system Office 2022 30 30 $8,640 $2,570 29.7%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2022 16 16 $4,560 $1,565 34.3%
92012 Established patient problem focused exam of visual system Office 2022 17 18 $3,672 $1,378 37.5%
99203 New patient office or other outpatient visit, 30-44 minutes Office 2022 15 15 $3,735 $1,171 31.4%
92136 Measurement of corneal curvature and depth of eye Office 2022 20 22 $1,754 $535.12 30.5%
76514 Ultrasound scan of cornea to determine thickness Office 2022 19 19 $494.00 $183.77 37.2%

About Alexander Chen

Alexander Chen is a Ophthalmology healthcare provider based in Pasadena, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 05/11/2017. The National Provider Identifier (NPI) number assigned to this provider is 1528594546.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Alexander Chen has received a total of $1,842 in payments from pharmaceutical and medical device companies, with $160.05 received in 2024. These payments were reported across 38 transactions from 7 companies. The most common payment nature is "Food and Beverage" ($1,551).

As a Medicare-enrolled provider, Chen has provided services to 767 Medicare beneficiaries, totaling 886 services with total Medicare billing of $52,592. Data is available for 2 years (2022–2023), covering 20 distinct procedure/service records.

Practice Information

  • Specialty Ophthalmology
  • Location Pasadena, CA
  • Active Since 05/11/2017
  • Last Updated 12/30/2024
  • Taxonomy Code 207W00000X
  • Entity Type Individual
  • NPI Number 1528594546

Products in Payments

  • XEN GLAUCOMA TREATMENT SYSTEM (Device) $1,431
  • iStent inject W (Device) $150.02
  • Clareon (Device) $76.84
  • TEPEZZA (Drug) $74.48
  • LUMIGAN (Drug) $31.04
  • VUITY (Drug) $29.95
  • XIIDRA (Drug) $24.95
  • ACTHAR (Biological) $23.29

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.

Ophthalmology Doctors in Pasadena