Dr. Yen Hsia, MD

NPI: 1326468661
Total Payments
$503,870
2024 Payments
$1,350
Companies
17
Transactions
137
Medicare Patients
6,069
Medicare Billing
$873,336

Payment Breakdown by Category

Research$489,750 (97.2%)
Other$5,700 (1.1%)
Food & Beverage$5,461 (1.1%)
Travel$2,239 (0.4%)
Consulting$570.00 (0.1%)
Education$131.28 (0.0%)
Gifts$19.40 (0.0%)

Payments by Nature

Nature of Payment Amount Transactions Share
Unspecified $489,750 2 97.2%
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program $5,700 2 1.1%
Food and Beverage $5,461 118 1.1%
Travel and Lodging $2,239 11 0.4%
Consulting Fee $570.00 1 0.1%
Education $131.28 2 0.0%
Gift $19.40 1 0.0%

Payments by Type

Research
$489,750
2 transactions
General
$14,120
135 transactions

Top Paying Companies

Company Total Records Latest Year
Alcon Research LLC $489,750 2 $0 (2022)
Alcon Vision LLC $9,671 69 $0 (2024)
Allergan, Inc. $1,178 13 $0 (2021)
Alcon Laboratories Inc $1,062 3 $0 (2017)
NEW WORLD MEDICAL,INC. $656.58 3 $0 (2024)
Oyster Point Pharma, Inc. $334.55 10 $0 (2024)
Sight Sciences, Inc. $311.64 11 $0 (2024)
Ivantis, Inc $291.11 5 $0 (2021)
ABBVIE INC. $201.48 7 $0 (2024)
OPTOVUE, INC. $105.58 1 $0 (2018)

Payment History by Year

Year Amount Transactions Top Company
2024 $1,350 26 NEW WORLD MEDICAL,INC. ($656.58)
2023 $8,754 46 Alcon Vision LLC ($8,270)
2022 $490,642 25 Alcon Research LLC ($489,750)
2021 $606.84 18 Ivantis, Inc ($200.01)
2020 $362.15 8 Allergan, Inc. ($179.95)
2019 $72.21 2 Aerie Pharmaceuticals, Inc. ($55.88)
2018 $128.60 2 OPTOVUE, INC. ($105.58)
2017 $1,954 10 Alcon Laboratories Inc ($1,062)

All Payment Transactions

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

Date Company Product Nature Form Amount Type
12/18/2024 Thea Pharma Inc. IYUZEH (Drug) Food and Beverage In-kind items and services $21.19 General
Category: OPHTHALMOLOGY
12/11/2024 ABBVIE INC. DURYSTA (Drug) Food and Beverage In-kind items and services $34.59 General
Category: EYE CARE
12/11/2024 Alcon Vision LLC Food and Beverage In-kind items and services $22.93 General
12/06/2024 NEW WORLD MEDICAL,INC. Kahook Dual Blade (Device), Clearpath, Ahmed Glaucoma Valve Food and Beverage In-kind items and services $256.44 General
Category: Ophthalmology
12/03/2024 Sight Sciences, Inc. OMNI SURGICAL SYSTEM (Device) Food and Beverage In-kind items and services $17.58 General
Category: Ophthalmology
11/22/2024 ABBVIE INC. LUMIGAN (Drug) Food and Beverage In-kind items and services $25.91 General
Category: EYE CARE
10/29/2024 Oyster Point Pharma, Inc. TYRVAYA (Drug) Food and Beverage In-kind items and services $33.36 General
Category: Dry eyes
09/30/2024 SUN PHARMACEUTICAL INDUSTRIES INC. Cequa (Drug) Food and Beverage In-kind items and services $20.91 General
Category: Ophthalmology
09/19/2024 Sight Sciences, Inc. OMNI SURGICAL SYSTEM (Device) Food and Beverage In-kind items and services $19.04 General
Category: Ophthalmology
09/18/2024 Sight Sciences, Inc. OMNI SURGICAL SYSTEM (Device) Food and Beverage In-kind items and services $17.31 General
Category: Ophthalmology
09/09/2024 Bausch & Lomb Americas Inc. MIEBO (Drug), XIIDRA Food and Beverage In-kind items and services $19.00 General
Category: Ophthalmology
09/06/2024 Tarsus Pharmaceuticals, Inc. XDEMVY (Drug) Food and Beverage In-kind items and services $18.61 General
Category: DEMODEX BLEPHARITIS
08/29/2024 Alcon Vision LLC Rocklatan (Drug) Food and Beverage In-kind items and services $16.97 General
Category: Ophthalmology
08/01/2024 Oyster Point Pharma, Inc. TYRVAYA (Drug) Food and Beverage In-kind items and services $30.02 General
Category: Dry eyes
07/23/2024 Alcon Vision LLC HYDRUS Microstent (Device) Food and Beverage In-kind items and services $25.90 General
Category: Ophthalmology
06/13/2024 NEW WORLD MEDICAL,INC. Kahook Dual Blade (Device), Clearpath, Ahmed Glaucoma Valve Food and Beverage In-kind items and services $119.08 General
Category: Ophthalmology
06/12/2024 Sight Sciences, Inc. OMNI SURGICAL SYSTEM (Device) Food and Beverage In-kind items and services $22.57 General
Category: Ophthalmology
05/02/2024 NEW WORLD MEDICAL,INC. Kahook Dual Blade (Device), Clearpath, Ahmed Glaucoma Valve Food and Beverage In-kind items and services $281.06 General
Category: Ophthalmology
04/18/2024 Alcon Vision LLC Rocklatan (Drug) Food and Beverage In-kind items and services $17.21 General
Category: Ophthalmology
03/02/2024 Alcon Vision LLC HYDRUS Microstent (Device) Food and Beverage In-kind items and services $135.52 General
Category: Ophthalmology
03/02/2024 Alcon Vision LLC Rocklatan (Drug) Food and Beverage In-kind items and services $15.57 General
Category: Ophthalmology
03/01/2024 Alcon Vision LLC HYDRUS Microstent (Device) Food and Beverage In-kind items and services $94.54 General
Category: Ophthalmology
02/09/2024 Alcon Vision LLC HYDRUS Microstent (Device) Food and Beverage In-kind items and services $23.16 General
Category: Ophthalmology
02/09/2024 Alcon Vision LLC Rocklatan (Drug) Food and Beverage In-kind items and services $20.23 General
Category: Ophthalmology
01/19/2024 Thea Pharma Inc. IYUZEH (Drug) Food and Beverage In-kind items and services $20.83 General
Category: OPHTHALMOLOGY

Research Studies & Clinical Trials

Study Name Company Amount Records
prospective randomized controlled study comparing combined phaco-emulsification with iStent versus Hydrus for mild to moderate open angle glaucoma Alcon Research LLC $489,750 2

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 19 2,355 3,183 $1.1M $323,355
2022 15 1,570 2,101 $939,161 $230,358
2021 18 1,234 1,630 $1.4M $194,934
2020 14 910 1,177 $906,780 $124,689
Total Patients
6,069
Total Services
8,091
Medicare Billing
$873,336
Procedure Codes
72

All Medicare Procedures & Services

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

HCPCS Description Setting Year Patients Services Charges Medicare Paid Ratio
92012 Established patient problem focused exam of visual system Office 2023 517 1,079 $162,929 $87,441 53.7%
92014 Established patient complete exam of visual system Office 2023 377 399 $86,583 $46,590 53.8%
66984 Removal of cataract with insertion of prosthetic lens Facility 2023 67 94 $338,400 $45,433 13.4%
66180 Creation of shunt to improve eye fluid flow using tissue graft Facility 2023 29 30 $132,000 $32,297 24.5%
92083 Exam of visual field with extended testing Office 2023 338 419 $56,565 $24,297 43.0%
66991 Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye Facility 2023 17 21 $67,515 $13,236 19.6%
92004 New patient complete exam of visual system Office 2023 97 97 $25,220 $12,581 49.9%
92133 Imaging of optic nerve Office 2023 297 364 $42,952 $11,827 27.5%
66982 Complex removal of cataract with insertion of prosthetic lens Facility 2023 11 12 $52,560 $7,797 14.8%
99204 New patient office or other outpatient visit, 45-59 minutes Office 2023 47 47 $13,066 $6,841 52.4%
66821 Removal of recurring cataract in lens capsule using a laser Facility 2023 19 21 $28,358 $6,177 21.8%
99205 New patient office or other outpatient visit, 60-74 minutes Office 2023 30 30 $10,440 $5,994 57.4%
92136 Measurement of corneal curvature and depth of eye Office 2023 96 140 $35,610 $5,238 14.7%
92134 Imaging of retina Office 2023 109 120 $14,160 $4,620 32.6%
65855 Laser repair to improve eye fluid flow Facility 2023 20 23 $35,604 $4,378 12.3%
92020 Exam of the internal drainage system of eye Office 2023 130 132 $8,184 $3,397 41.5%
92002 New patient problem focused exam of visual system Office 2023 41 41 $6,765 $2,738 40.5%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2023 13 13 $2,392 $1,458 61.0%
76514 Ultrasound scan of cornea to determine thickness Office 2023 100 101 $4,040 $1,014 25.1%
92012 Established patient problem focused exam of visual system Office 2022 406 783 $163,767 $63,019 38.5%
66984 Removal of cataract with insertion of prosthetic lens Facility 2022 68 104 $376,610 $49,559 13.2%
66180 Creation of shunt to improve eye fluid flow using tissue graft Facility 2022 24 27 $118,800 $28,716 24.2%
92014 Established patient complete exam of visual system Office 2022 225 234 $59,558 $26,383 44.3%
92083 Exam of visual field with extended testing Office 2022 227 268 $42,173 $15,354 36.4%
92004 New patient complete exam of visual system Office 2022 87 87 $23,193 $11,601 50.0%

About Dr. Yen Hsia, MD

Dr. Yen Hsia, MD is a Ophthalmology healthcare provider based in Walnut Creek, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 04/25/2014. The National Provider Identifier (NPI) number assigned to this provider is 1326468661.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Yen Hsia, MD has received a total of $503,870 in payments from pharmaceutical and medical device companies, with $1,350 received in 2024. These payments were reported across 137 transactions from 17 companies. The most common payment nature is "" ($489,750).

As a Medicare-enrolled provider, Hsia has provided services to 6,069 Medicare beneficiaries, totaling 8,091 services with total Medicare billing of $873,336. Data is available for 4 years (2020–2023), covering 72 distinct procedure/service records.

Practice Information

  • Specialty Ophthalmology
  • Location Walnut Creek, CA
  • Active Since 04/25/2014
  • Last Updated 01/14/2026
  • Taxonomy Code 207W00000X
  • Entity Type Individual
  • NPI Number 1326468661

Products in Payments

  • HYDRUS Microstent (Device) $498,681
  • Kahook Dual Blade (Device) $656.58
  • TYRVAYA (Drug) $334.55
  • DURYSTA (Drug) $287.57
  • Hydrus Microstent (Device) $200.01
  • AcrySof IQ PanOptix (Device) $196.74
  • OMNI SURGICAL SYSTEM (Device) $180.82
  • Rocklatan (Drug) $139.98
  • OMNI(R) SURGICAL SYSTEM (US) (Device) $130.82
  • XR (Device) $105.58
  • Hydrus (Device) $91.10
  • rhopressa (Drug) $61.96
  • MIEBO (Drug) $59.11
  • IYUZEH (Drug) $58.97
  • AcrySof IQ PanOptix UV IOL (Device) $56.63
  • LUMIGAN (Drug) $49.13
  • Centurion (Device) $32.20
  • ReSTOR (Device) $27.84
  • AcrySof (Device) $23.59
  • XEN (Device) $23.02

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 Walnut Creek