Dr. Daniel Ahn, MD

NPI: 1184645558
Total Payments
$2,327
2024 Payments
$177.76
Companies
15
Transactions
54
Medicare Patients
11,272
Medicare Billing
$955,608

Payment Breakdown by Category

Food & Beverage$1,337 (57.5%)
Travel$839.82 (36.1%)
Other$150.00 (6.4%)

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
Total Patients
11,272
Total Services
13,169
Medicare Billing
$955,608
Procedure Codes
54

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.