Dr. Bac Nguyen, M.D

NPI: 1871853077
Total Payments
$273,194
2024 Payments
$56,595
Companies
30
Transactions
946
Medicare Patients
6,610
Medicare Billing
$495,520

Payment Breakdown by Category

Other$155,992 (57.1%)
Food & Beverage$48,097 (17.6%)
Consulting$46,198 (16.9%)
Travel$22,876 (8.4%)
Education$30.82 (0.0%)

Payments by Nature

Nature of Payment Amount Transactions Share
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program $141,476 51 51.8%
Food and Beverage $48,097 710 17.6%
Consulting Fee $46,198 37 16.9%
Travel and Lodging $22,876 128 8.4%
Honoraria $12,026 10 4.4%
Compensation for serving as faculty or as a speaker for a medical education program $1,838 1 0.7%
Entertainment $653.41 5 0.2%
Education $30.82 4 0.0%

Top Paying Companies

Company Total Records Latest Year
ABBVIE INC. $63,510 197 $0 (2024)
Alcon Vision LLC $43,432 108 $0 (2024)
Aerie Pharmaceuticals, Inc. $41,202 93 $0 (2021)
Allergan, Inc. $41,039 140 $0 (2022)
NEW WORLD MEDICAL,INC. $28,711 134 $0 (2024)
Glaukos Corporation $26,580 66 $0 (2024)
Bausch & Lomb, a division of Bausch Health US, LLC $9,974 99 $0 (2021)
Bausch & Lomb Americas Inc. $7,255 25 $0 (2024)
Johnson & Johnson Surgical Vision, Inc. $1,964 6 $0 (2023)
Dompe US, Inc. $1,860 2 $0 (2024)

Payment History by Year

Year Amount Transactions Top Company
2024 $56,595 151 Alcon Vision LLC ($22,090)
2023 $59,357 158 ABBVIE INC. ($32,207)
2022 $84,235 246 Allergan, Inc. ($37,492)
2021 $26,654 102 Aerie Pharmaceuticals, Inc. ($18,356)
2020 $20,456 80 Aerie Pharmaceuticals, Inc. ($17,393)
2019 $19,593 152 Bausch & Lomb, a division of Bausch Health US, LLC ($6,838)
2018 $4,033 50 Bausch & Lomb, a division of Bausch Health US, LLC ($977.13)
2017 $2,272 7 Glaukos Corporation ($1,859)

All Payment Transactions

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

Date Company Product Nature Form Amount Type
12/19/2024 Glaukos Corporation iDose (Device) Food and Beverage Cash or cash equivalent $115.40 General
Category: Glaucoma
12/19/2024 Alcon Vision LLC Rocklatan (Drug) Food and Beverage In-kind items and services $13.25 General
Category: Ophthalmology
12/18/2024 ABBVIE INC. LUMIGAN (Drug) Food and Beverage In-kind items and services $25.64 General
Category: EYE CARE
12/04/2024 Bausch & Lomb Americas Inc. VYZULTA (Drug) Food and Beverage In-kind items and services $21.65 General
Category: Ophthalmology
12/04/2024 ABBVIE INC. DURYSTA (Drug) Food and Beverage In-kind items and services $21.35 General
Category: EYE CARE
12/02/2024 NEW WORLD MEDICAL,INC. Kahook Dual Blade (Device), Clearpath, Ahmed Glaucoma Valve Food and Beverage In-kind items and services $6.77 General
Category: Ophthalmology
11/27/2024 Glaukos Corporation iDose (Device) Consulting Fee Cash or cash equivalent $5,200.00 General
Category: Glaucoma
11/27/2024 Glaukos Corporation Consulting Fee Cash or cash equivalent $2,925.00 General
11/27/2024 Glaukos Corporation Travel and Lodging Cash or cash equivalent $898.45 General
11/27/2024 Glaukos Corporation iDose (Device) Travel and Lodging Cash or cash equivalent $475.36 General
Category: Glaucoma
11/25/2024 ABBVIE INC. DURYSTA (Drug) Food and Beverage In-kind items and services $30.94 General
Category: EYE CARE
11/21/2024 Glaukos Corporation iDose (Device) Food and Beverage Cash or cash equivalent $138.99 General
Category: Glaucoma
11/20/2024 Alcon Vision LLC Rocklatan (Drug) Food and Beverage In-kind items and services $28.53 General
Category: Ophthalmology
11/20/2024 ABBVIE INC. DURYSTA (Drug) Food and Beverage In-kind items and services $11.63 General
Category: EYE CARE
11/19/2024 NEW WORLD MEDICAL,INC. Kahook Dual Blade (Device), Clearpath, Ahmed Glaucoma Valve Food and Beverage In-kind items and services $141.90 General
Category: Ophthalmology
11/11/2024 ABBVIE INC. DURYSTA (Drug) Food and Beverage In-kind items and services $19.38 General
Category: EYE CARE
11/08/2024 ABBVIE INC. LUMIGAN (Drug) Food and Beverage In-kind items and services $13.88 General
Category: EYE CARE
11/06/2024 NEW WORLD MEDICAL,INC. Kahook Dual Blade (Device), Clearpath, Ahmed Glaucoma Valve Food and Beverage In-kind items and services $147.28 General
Category: Ophthalmology
10/31/2024 Alcon Vision LLC Clareon (Device) Food and Beverage In-kind items and services $66.21 General
Category: Ophthalmology
10/28/2024 Alcon Vision LLC HYDRUS Microstent (Device) Food and Beverage In-kind items and services $30.47 General
Category: Ophthalmology
10/24/2024 Alcon Vision LLC Rocklatan (Drug), Rhopressa, Simbrinza Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Cash or cash equivalent $5,500.00 General
Category: Ophthalmology
10/24/2024 Alcon Vision LLC Rocklatan (Drug), Rhopressa, Simbrinza Travel and Lodging Cash or cash equivalent $234.50 General
Category: Ophthalmology
10/24/2024 Alcon Vision LLC Rocklatan (Drug), Rhopressa, Simbrinza Food and Beverage Cash or cash equivalent $65.77 General
Category: Ophthalmology
10/24/2024 Alcon Vision LLC Rocklatan (Drug), Rhopressa, Simbrinza Travel and Lodging Cash or cash equivalent $21.65 General
Category: Ophthalmology
10/21/2024 NEW WORLD MEDICAL,INC. Kahook Dual Blade (Device), Clearpath, Ahmed Glaucoma Valve Food and Beverage In-kind items and services $84.10 General
Category: Ophthalmology

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 14 1,876 2,535 $387,469 $162,274
2022 13 1,745 2,213 $279,605 $126,213
2021 12 1,602 1,839 $262,950 $109,662
2020 16 1,387 1,640 $444,734 $97,370
Total Patients
6,610
Total Services
8,227
Medicare Billing
$495,520
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
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2023 409 942 $131,880 $85,291 64.7%
65820 Incision to improve eye fluid flow Facility 2023 17 28 $42,000 $18,305 43.6%
92083 Exam of visual field with extended testing Office 2023 314 355 $40,440 $15,705 38.8%
92133 Imaging of optic nerve Office 2023 303 305 $30,500 $8,030 26.3%
92020 Exam of the internal drainage system of eye Office 2023 360 370 $36,350 $7,612 20.9%
66982 Complex removal of cataract with insertion of prosthetic lens Facility 2023 12 15 $37,500 $5,959 15.9%
92250 Photography of the retina Office 2023 192 192 $9,600 $5,377 56.0%
66984 Removal of cataract with insertion of prosthetic lens Facility 2023 12 17 $30,515 $4,092 13.4%
92134 Imaging of retina Office 2023 87 89 $8,900 $2,733 30.7%
99204 New patient office or other outpatient visit, 45-59 minutes Office 2023 21 21 $3,780 $2,563 67.8%
92014 Established patient complete exam of visual system Office 2023 27 28 $3,864 $2,412 62.4%
99213 Established patient office or other outpatient visit, 20-29 minutes Office 2023 36 44 $4,400 $2,327 52.9%
92136 Measurement of corneal curvature and depth of eye Office 2023 25 68 $4,715 $1,391 29.5%
76514 Ultrasound scan of cornea to determine thickness Office 2023 61 61 $3,025 $477.10 15.8%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2022 430 791 $110,740 $69,217 62.5%
65820 Incision to improve eye fluid flow Facility 2022 15 24 $36,000 $14,677 40.8%
92083 Exam of visual field with extended testing Office 2022 253 279 $32,340 $12,281 38.0%
92133 Imaging of optic nerve Office 2022 309 310 $31,000 $7,605 24.5%
92020 Exam of the internal drainage system of eye Office 2022 329 340 $33,600 $6,861 20.4%
92250 Photography of the retina Office 2022 151 151 $7,600 $4,445 58.5%
99204 New patient office or other outpatient visit, 45-59 minutes Office 2022 29 29 $5,220 $3,013 57.7%
99213 Established patient office or other outpatient visit, 20-29 minutes Office 2022 30 34 $3,400 $1,858 54.6%
92136 Measurement of corneal curvature and depth of eye Office 2022 26 80 $5,550 $1,660 29.9%
92014 Established patient complete exam of visual system Office 2022 20 20 $2,760 $1,523 55.2%
92134 Imaging of retina Office 2022 45 47 $4,700 $1,325 28.2%

About Dr. Bac Nguyen, M.D

Dr. Bac Nguyen, M.D is a Ophthalmology healthcare provider based in Houston, Texas. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 05/22/2012. The National Provider Identifier (NPI) number assigned to this provider is 1871853077.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Bac Nguyen, M.D has received a total of $273,194 in payments from pharmaceutical and medical device companies, with $56,595 received in 2024. These payments were reported across 946 transactions from 30 companies. The most common payment nature is "Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program" ($141,476).

As a Medicare-enrolled provider, Nguyen has provided services to 6,610 Medicare beneficiaries, totaling 8,227 services with total Medicare billing of $495,520. Data is available for 4 years (2020–2023), covering 57 distinct procedure/service records.

Practice Information

  • Specialty Ophthalmology
  • Other Specialties Glaucoma Specialist, Ophthalmology
  • Location Houston, TX
  • Active Since 05/22/2012
  • Last Updated 06/02/2022
  • Taxonomy Code 207W00000X
  • Entity Type Individual
  • NPI Number 1871853077

Products in Payments

  • VUITY (Drug) $43,102
  • LUMIGAN (Drug) $30,545
  • DURYSTA (Drug) $26,714
  • Rocklatan (Drug) $24,839
  • rocklatan (Drug) $23,435
  • rhopressa (Drug) $22,835
  • iDose (Device) $13,653
  • Kahook Dual Blade (Device) $12,690
  • Rhopressa (Drug) $10,151
  • VYZULTA (Drug) $10,004
  • Ahmed Glaucoma Valve (Device) $4,673
  • STELLARIS PC (Device) $3,017
  • ISTENT TRABECULAR MICRO-BYPASS STENT SYSTEM (Device) $2,563
  • XEN GLAUCOMA TREATMENT SYSTEM (Device) $2,192
  • OXERVATE (Drug) $1,860
  • OPHTHALMIC INSTRUMENTS (Device) $1,602
  • Tecnis Symfony IOL (Device) $1,500
  • iDose TR (Drug) $1,138
  • LOTEMAX SM (Drug) $1,046
  • HYDRUS Microstent (Device) $982.48

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 Houston