Payment Breakdown by Category
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 |
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.
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