Payment Breakdown by Category
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $1,337 | 50 | 57.5% |
| Travel and Lodging | $839.82 | 3 | 36.1% |
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $150.00 | 1 | 6.4% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Alcon Laboratories Inc | $1,255 | 13 | $0 (2018) |
| Glaukos Corporation | $227.69 | 2 | $0 (2020) |
| Shire North American Group Inc | $150.00 | 1 | $0 (2018) |
| Allergan, Inc. | $137.15 | 8 | $0 (2022) |
| ABBVIE INC. | $130.07 | 5 | $0 (2024) |
| Alcon Vision LLC | $76.76 | 5 | $0 (2024) |
| Oyster Point Pharma, Inc. | $74.09 | 3 | $0 (2024) |
| Bausch & Lomb, a division of Bausch Health US, LLC | $58.41 | 4 | $0 (2021) |
| Bausch & Lomb Americas Inc. | $50.12 | 3 | $0 (2022) |
| Novartis Pharmaceuticals Corporation | $47.92 | 3 | $0 (2022) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $177.76 | 7 | ABBVIE INC. ($82.33) |
| 2023 | $78.10 | 3 | AbbVie Inc. ($33.14) |
| 2022 | $110.31 | 6 | Bausch & Lomb Americas Inc. ($50.12) |
| 2021 | $103.91 | 7 | Allergan, Inc. ($65.21) |
| 2020 | $218.84 | 5 | Glaukos Corporation ($149.56) |
| 2019 | $168.66 | 7 | Glaukos Corporation ($78.13) |
| 2018 | $230.88 | 7 | Shire North American Group Inc ($150.00) |
| 2017 | $1,238 | 12 | Alcon Laboratories Inc ($1,214) |
All Payment Transactions
54 individual payment records from CMS Open Payments — Page 1 of 3
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/09/2024 | ABBVIE INC. | LUMIGAN (Drug) | Food and Beverage | In-kind items and services | $23.50 | General |
| Category: EYE CARE | ||||||
| 10/04/2024 | Oyster Point Pharma, Inc. | TYRVAYA (Drug) | Food and Beverage | In-kind items and services | $34.15 | General |
| Category: Dry eyes | ||||||
| 08/16/2024 | Oyster Point Pharma, Inc. | TYRVAYA (Drug) | Food and Beverage | In-kind items and services | $18.47 | General |
| Category: Dry eyes | ||||||
| 08/13/2024 | ABBVIE INC. | LUMIGAN (Drug) | Food and Beverage | In-kind items and services | $31.98 | General |
| Category: EYE CARE | ||||||
| 06/04/2024 | Astellas Pharma US Inc | Izervay (Drug) | Food and Beverage | In-kind items and services | $23.15 | General |
| Category: Ophthalmology | ||||||
| 06/03/2024 | Alcon Vision LLC | Rocklatan (Drug) | Food and Beverage | In-kind items and services | $19.66 | General |
| Category: Ophthalmology | ||||||
| 04/01/2024 | ABBVIE INC. | LUMIGAN (Drug) | Food and Beverage | In-kind items and services | $26.85 | General |
| Category: EYE CARE | ||||||
| 10/06/2023 | Oyster Point Pharma, Inc. | TYRVAYA (Drug) | Food and Beverage | In-kind items and services | $21.47 | General |
| Category: DRY EYE | ||||||
| 09/07/2023 | AbbVie Inc. | ALPHAGAN P (Drug), COMBIGAN, VUITY | Food and Beverage | In-kind items and services | $33.14 | General |
| Category: EYE CARE | ||||||
| 07/25/2023 | Horizon Therapeutics plc | TEPEZZA (Drug) | Food and Beverage | In-kind items and services | $23.49 | General |
| Category: TEPEZZA | ||||||
| 11/23/2022 | Bausch & Lomb Americas Inc. | VYZULTA (Drug) | Food and Beverage | In-kind items and services | $11.88 | General |
| Category: Ophthalmology | ||||||
| 10/10/2022 | Bausch & Lomb Americas Inc. | VYZULTA (Drug) | Food and Beverage | In-kind items and services | $14.00 | General |
| Category: Ophthalmology | ||||||
| 08/11/2022 | Novartis Pharmaceuticals Corporation | XIIDRA (Drug) | Food and Beverage | In-kind items and services | $22.94 | General |
| Category: OPHTHALMOLOGY | ||||||
| 07/19/2022 | Bausch & Lomb Americas Inc. | VYZULTA (Drug) | Food and Beverage | In-kind items and services | $24.24 | General |
| Category: Ophthalmology | ||||||
| 04/12/2022 | ABBVIE INC. | VUITY (Drug) | Food and Beverage | In-kind items and services | $14.60 | General |
| Category: OPHTHALMOLOGY | ||||||
| 01/27/2022 | Allergan, Inc. | VUITY (Drug) | Food and Beverage | In-kind items and services | $22.65 | General |
| Category: OPHTHALMOLOGY | ||||||
| 10/28/2021 | Aerie Pharmaceuticals, Inc. | rocklatan (Drug), rhopressa | Food and Beverage | In-kind items and services | $11.51 | General |
| Category: Glaucoma | ||||||
| 09/16/2021 | Allergan, Inc. | RESTASIS MULTIDOSE (Drug) | Food and Beverage | In-kind items and services | $15.79 | General |
| Category: DRY EYE | ||||||
| 07/12/2021 | Allergan, Inc. | DURYSTA (Drug) | Food and Beverage | In-kind items and services | $11.57 | General |
| Category: GLAUCOMA | ||||||
| 04/29/2021 | Allergan, Inc. | RESTASIS MULTIDOSE (Drug) | Food and Beverage | In-kind items and services | $19.77 | General |
| Category: DRY EYE | ||||||
| 02/25/2021 | Allergan, Inc. | RESTASIS MULTIDOSE (Drug) | Food and Beverage | In-kind items and services | $18.08 | General |
| Category: DRY EYE | ||||||
| 02/24/2021 | Bausch & Lomb, a division of Bausch Health US, LLC | VYZULTA (Drug), ZYLET, BESIVANCE | Food and Beverage | In-kind items and services | $13.50 | General |
| Category: Ophthalmology | ||||||
| 02/18/2021 | Alcon Vision LLC | AcrySof IQ VIVITY IOL (Device) | Food and Beverage | In-kind items and services | $13.69 | General |
| Category: Ophthalmology | ||||||
| 12/29/2020 | Bausch & Lomb, a division of Bausch Health US, LLC | VYZULTA (Drug), ZYLET, BESIVANCE | Food and Beverage | In-kind items and services | $15.64 | General |
| Category: OPHTHALMOLOGY | ||||||
| 11/04/2020 | Bausch & Lomb, a division of Bausch Health US, LLC | VYZULTA (Drug), ZYLET, BESIVANCE | Food and Beverage | In-kind items and services | $16.34 | General |
| Category: OPHTHALMOLOGY | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 14 | 2,589 | 3,027 | $923,621 | $206,232 |
| 2022 | 13 | 2,912 | 3,380 | $1.1M | $226,953 |
| 2021 | 13 | 2,865 | 3,383 | $1.2M | $259,714 |
| 2020 | 14 | 2,906 | 3,379 | $1.2M | $262,709 |
All Medicare Procedures & Services
54 procedure records from CMS Medicare Utilization — Page 1 of 3
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 66984 | Removal of cataract with insertion of prosthetic lens | Facility | 2023 | 94 | 139 | $222,171 | $53,699 | 24.2% |
| 92014 | Established patient complete exam of visual system | Office | 2023 | 558 | 596 | $220,160 | $45,668 | 20.7% |
| 92012 | Established patient problem focused exam of visual system | Office | 2023 | 343 | 584 | $153,376 | $33,967 | 22.1% |
| 92004 | New patient complete exam of visual system | Office | 2023 | 220 | 220 | $95,903 | $19,543 | 20.4% |
| 92083 | Exam of visual field with extended testing | Office | 2023 | 303 | 322 | $58,520 | $13,448 | 23.0% |
| 66821 | Removal of recurring cataract in lens capsule using a laser | Facility | 2023 | 39 | 50 | $46,301 | $10,567 | 22.8% |
| 92133 | Imaging of optic nerve | Office | 2023 | 294 | 303 | $32,684 | $7,040 | 21.5% |
| 92250 | Photography of the retina | Office | 2023 | 242 | 250 | $27,500 | $6,501 | 23.6% |
| 92020 | Exam of the internal drainage system of eye | Office | 2023 | 290 | 290 | $23,742 | $5,633 | 23.7% |
| 92136 | Measurement of corneal curvature and depth of eye | Office | 2023 | 106 | 160 | $18,550 | $4,547 | 24.5% |
| 66761 | Creation of eye fluid drainage tracts in iris using a laser, per session | Facility | 2023 | 11 | 20 | $14,266 | $3,492 | 24.5% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 16 | 20 | $5,386 | $1,162 | 21.6% |
| 92134 | Imaging of retina | Office | 2023 | 30 | 30 | $3,561 | $632.82 | 17.8% |
| 76514 | Ultrasound scan of cornea to determine thickness | Office | 2023 | 43 | 43 | $1,501 | $333.74 | 22.2% |
| 66984 | Removal of cataract with insertion of prosthetic lens | Facility | 2022 | 97 | 154 | $247,846 | $58,835 | 23.7% |
| 92014 | Established patient complete exam of visual system | Office | 2022 | 672 | 712 | $266,189 | $52,588 | 19.8% |
| 92012 | Established patient problem focused exam of visual system | Office | 2022 | 348 | 590 | $155,672 | $32,316 | 20.8% |
| 92004 | New patient complete exam of visual system | Office | 2022 | 251 | 251 | $111,128 | $22,696 | 20.4% |
| 66821 | Removal of recurring cataract in lens capsule using a laser | Facility | 2022 | 59 | 79 | $77,894 | $17,539 | 22.5% |
| 92083 | Exam of visual field with extended testing | Office | 2022 | 354 | 376 | $69,159 | $15,340 | 22.2% |
| 92133 | Imaging of optic nerve | Office | 2022 | 331 | 346 | $37,702 | $8,026 | 21.3% |
| 92020 | Exam of the internal drainage system of eye | Office | 2022 | 336 | 341 | $28,295 | $6,602 | 23.3% |
| 92250 | Photography of the retina | Office | 2022 | 241 | 244 | $26,834 | $5,975 | 22.3% |
| 92136 | Measurement of corneal curvature and depth of eye | Office | 2022 | 115 | 177 | $17,191 | $4,246 | 24.7% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 23 | 25 | $6,825 | $1,360 | 19.9% |
About Dr. Daniel Ahn, MD
Dr. Daniel Ahn, MD is a Ophthalmology healthcare provider based in Calhoun, Georgia. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 07/21/2006. The National Provider Identifier (NPI) number assigned to this provider is 1184645558.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Daniel Ahn, MD has received a total of $2,327 in payments from pharmaceutical and medical device companies, with $177.76 received in 2024. These payments were reported across 54 transactions from 15 companies. The most common payment nature is "Food and Beverage" ($1,337).
As a Medicare-enrolled provider, Ahn has provided services to 11,272 Medicare beneficiaries, totaling 13,169 services with total Medicare billing of $955,608. Data is available for 4 years (2020–2023), covering 54 distinct procedure/service records.
Practice Information
- Specialty Ophthalmology
- Location Calhoun, GA
- Active Since 07/21/2006
- Last Updated 12/12/2018
- Taxonomy Code 207W00000X
- Entity Type Individual
- NPI Number 1184645558
Products in Payments
- ORA (Device) $597.75
- AcrySof (Device) $394.80
- iStent Trabecular Micro-Bypass Stent System (Device) $149.56
- ReSTOR (Device) $127.94
- ACTIVEFOCUS (Device) $104.73
- VYZULTA (Drug) $95.60
- LUMIGAN (Drug) $94.32
- iStent inject Trabecular Micro-Bypass Stent System (Device) $78.13
- TYRVAYA (Drug) $74.09
- RESTASIS MULTIDOSE (Drug) $53.64
- CyPass (Device) $40.10
- Tecnis Multifocal Family of 1-piece IOLS (Device) $38.00
- RESTASIS (Drug) $37.30
- VUITY (Drug) $37.25
- ALPHAGAN P (Drug) $33.14
- TRAVATAN Z (Drug) $24.98
- TEPEZZA (Drug) $23.49
- Izervay (Drug) $23.15
- XIIDRA (Drug) $22.94
- Rocklatan (Drug) $19.66
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.