Total Payments
$12,754
2024 Payments
$1,794
Companies
23
Transactions
221
Medicare Patients
10,568
Medicare Billing
$1.5M
Payment Breakdown by Category
Food & Beverage$11,366 (89.1%)
Travel$844.84 (6.6%)
Consulting$500.00 (3.9%)
Other$25.59 (0.2%)
Gifts$17.24 (0.1%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $11,366 | 215 | 89.1% |
| Travel and Lodging | $844.84 | 3 | 6.6% |
| Consulting Fee | $500.00 | 1 | 3.9% |
| Honoraria | $25.59 | 1 | 0.2% |
| Gift | $17.24 | 1 | 0.1% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Alcon Vision LLC | $4,747 | 94 | $0 (2024) |
| Glaukos Corporation | $1,348 | 13 | $0 (2023) |
| Johnson & Johnson Surgical Vision, Inc. | $1,215 | 18 | $0 (2024) |
| Alcon Research Ltd | $1,106 | 6 | $0 (2018) |
| Ivantis, Inc | $828.71 | 12 | $0 (2021) |
| Sight Sciences, Inc. | $807.07 | 19 | $0 (2024) |
| Alcon Laboratories Inc | $536.64 | 5 | $0 (2017) |
| RxSight Inc | $347.14 | 8 | $0 (2024) |
| Bausch & Lomb, a division of Bausch Health US, LLC | $321.37 | 7 | $0 (2021) |
| Teva Pharmaceuticals USA, Inc. | $253.76 | 2 | $0 (2017) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $1,794 | 34 | Alcon Vision LLC ($1,050) |
| 2023 | $2,335 | 48 | Alcon Vision LLC ($1,636) |
| 2022 | $1,501 | 30 | Alcon Vision LLC ($642.19) |
| 2021 | $1,995 | 39 | Ivantis, Inc ($672.15) |
| 2020 | $1,195 | 29 | Alcon Vision LLC ($884.27) |
| 2019 | $716.65 | 13 | Bausch & Lomb, a division of Bausch Health US, LLC ($215.86) |
| 2018 | $1,664 | 12 | Alcon Research Ltd ($1,106) |
| 2017 | $1,553 | 16 | Alcon Laboratories Inc ($536.64) |
All Payment Transactions
221 individual payment records from CMS Open Payments — Page 1 of 9
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/12/2024 | Alcon Vision LLC | Clareon (Device) | Food and Beverage | In-kind items and services | $9.39 | General |
| Category: Ophthalmology | ||||||
| 11/07/2024 | Sight Sciences, Inc. | OMNI SURGICAL SYSTEM (Device) | Food and Beverage | In-kind items and services | $132.02 | General |
| Category: Ophthalmology | ||||||
| 11/04/2024 | SUN PHARMACEUTICAL INDUSTRIES INC. | Cequa (Drug) | Food and Beverage | In-kind items and services | $18.52 | General |
| Category: Ophthalmology | ||||||
| 10/31/2024 | Harrow Eye, LLC | VEVYE (Drug) | Food and Beverage | In-kind items and services | $16.61 | General |
| Category: OPTOMETRY | ||||||
| 10/28/2024 | Bausch & Lomb Americas Inc. | enVista MX60 IOL (Device) | Food and Beverage | In-kind items and services | $21.97 | General |
| Category: Ophthalmology | ||||||
| 10/18/2024 | Alcon Vision LLC | Clareon (Device) | Food and Beverage | In-kind items and services | $32.17 | General |
| Category: Ophthalmology | ||||||
| 10/02/2024 | Alcon Vision LLC | Clareon (Device) | Food and Beverage | In-kind items and services | $112.13 | General |
| Category: Ophthalmology | ||||||
| 09/30/2024 | Alcon Vision LLC | Clareon (Device) | Food and Beverage | In-kind items and services | $20.38 | General |
| Category: Ophthalmology | ||||||
| 09/26/2024 | RxSight Inc | RXSIGHT CONTACT LENS (Device), RXSIGHT INJECTOR CARTRIDGE, RXSIGHT INJECTOR HANDPIECE | Food and Beverage | In-kind items and services | $48.16 | General |
| Category: OPHTHALMOLOGY | ||||||
| 09/24/2024 | Alcon Vision LLC | Clareon (Device) | Food and Beverage | In-kind items and services | $6.05 | General |
| Category: Ophthalmology | ||||||
| 09/17/2024 | RxSight Inc | RXSIGHT CONTACT LENS (Device), RXSIGHT INJECTOR CARTRIDGE, RXSIGHT INJECTOR HANDPIECE | Food and Beverage | In-kind items and services | $99.03 | General |
| Category: OPHTHALMOLOGY | ||||||
| 09/12/2024 | Alcon Vision LLC | Clareon (Device) | Food and Beverage | In-kind items and services | $125.88 | General |
| Category: Ophthalmology | ||||||
| 08/30/2024 | Genentech USA, Inc. | Vabysmo (Drug) | Food and Beverage | In-kind items and services | $27.65 | General |
| Category: Immunology and Ophthalmology | ||||||
| 08/28/2024 | Alcon Vision LLC | Clareon (Device) | Food and Beverage | In-kind items and services | $19.59 | General |
| Category: Ophthalmology | ||||||
| 08/27/2024 | Sight Sciences, Inc. | OMNI SURGICAL SYSTEM (Device) | Food and Beverage | In-kind items and services | $21.65 | General |
| Category: Ophthalmology | ||||||
| 08/21/2024 | Sight Sciences, Inc. | OMNI SURGICAL SYSTEM (Device) | Food and Beverage | In-kind items and services | $88.63 | General |
| Category: Ophthalmology | ||||||
| 07/18/2024 | Alcon Vision LLC | Clareon (Device) | Food and Beverage | In-kind items and services | $150.00 | General |
| Category: Ophthalmology | ||||||
| 07/11/2024 | Johnson & Johnson Surgical Vision, Inc. | Tecnis IOL (Device), TECNIS IOL, CATALYS SYSTEM | Food and Beverage | In-kind items and services | $43.58 | General |
| Category: Optics | ||||||
| 06/29/2024 | Alcon Vision LLC | Clareon (Device) | Food and Beverage | In-kind items and services | $140.43 | General |
| Category: Ophthalmology | ||||||
| 06/29/2024 | Sight Sciences, Inc. | OMNI SURGICAL SYSTEM (Device) | Food and Beverage | In-kind items and services | $8.85 | General |
| Category: Ophthalmology | ||||||
| 06/12/2024 | Alcon Vision LLC | Clareon (Device) | Food and Beverage | In-kind items and services | $24.91 | General |
| Category: Ophthalmology | ||||||
| 06/06/2024 | Alcon Vision LLC | Clareon (Device) | Food and Beverage | In-kind items and services | $105.49 | General |
| Category: Ophthalmology | ||||||
| 06/04/2024 | Bausch & Lomb Americas Inc. | VYZULTA (Drug) | Food and Beverage | In-kind items and services | $14.04 | General |
| Category: Ophthalmology | ||||||
| 05/06/2024 | Alcon Vision LLC | Clareon (Device) | Food and Beverage | In-kind items and services | $23.20 | General |
| Category: Ophthalmology | ||||||
| 04/24/2024 | Alcon Vision LLC | Clareon (Device) | Food and Beverage | In-kind items and services | $78.18 | General |
| Category: Ophthalmology | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 17 | 2,436 | 3,277 | $3.7M | $392,709 |
| 2022 | 18 | 2,819 | 3,700 | $3.5M | $411,924 |
| 2021 | 21 | 3,064 | 3,836 | $3.2M | $397,569 |
| 2020 | 18 | 2,249 | 2,708 | $2.5M | $293,004 |
Total Patients
10,568
Total Services
13,521
Medicare Billing
$1.5M
Procedure Codes
76
All Medicare Procedures & Services
76 procedure records from CMS Medicare Utilization — Page 1 of 4
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 66984 | Removal of cataract with insertion of prosthetic lens | Facility | 2023 | 271 | 478 | $2.4M | $171,811 | 7.2% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 330 | 330 | $72,655 | $38,388 | 52.8% |
| 66174 | Dilation of fluid outflow drainage within eye | Facility | 2023 | 38 | 63 | $189,000 | $30,003 | 15.9% |
| 92014 | Established patient complete exam of visual system | Office | 2023 | 298 | 320 | $56,000 | $28,532 | 51.0% |
| 66821 | Removal of recurring cataract in lens capsule using a laser | Office | 2023 | 69 | 94 | $237,350 | $26,945 | 11.4% |
| 92136 | Measurement of corneal curvature and depth of eye | Office | 2023 | 344 | 811 | $214,915 | $16,439 | 7.6% |
| 66982 | Complex removal of cataract with insertion of prosthetic lens | Facility | 2023 | 22 | 29 | $165,000 | $15,225 | 9.2% |
| 92083 | Exam of visual field with extended testing | Office | 2023 | 282 | 287 | $43,050 | $13,424 | 31.2% |
| 92012 | Established patient problem focused exam of visual system | Office | 2023 | 144 | 188 | $23,500 | $12,078 | 51.4% |
| 66821 | Removal of recurring cataract in lens capsule using a laser | Facility | 2023 | 29 | 45 | $105,750 | $11,103 | 10.5% |
| 65855 | Laser repair to improve eye fluid flow | Office | 2023 | 30 | 44 | $105,750 | $8,714 | 8.2% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 67 | 69 | $12,075 | $6,833 | 56.6% |
| 92133 | Imaging of optic nerve | Office | 2023 | 227 | 233 | $58,250 | $6,313 | 10.8% |
| 92020 | Exam of the internal drainage system of eye | Office | 2023 | 106 | 106 | $8,445 | $2,298 | 27.2% |
| 92250 | Photography of the retina | Office | 2023 | 85 | 85 | $10,625 | $2,111 | 19.9% |
| 92134 | Imaging of retina | Office | 2023 | 38 | 39 | $9,750 | $1,251 | 12.8% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 13 | 13 | $1,625 | $858.29 | 52.8% |
| 76514 | Ultrasound scan of cornea to determine thickness | Office | 2023 | 43 | 43 | $5,375 | $382.10 | 7.1% |
| 66984 | Removal of cataract with insertion of prosthetic lens | Facility | 2022 | 235 | 408 | $2.0M | $145,953 | 7.2% |
| 92014 | Established patient complete exam of visual system | Office | 2022 | 383 | 447 | $78,255 | $39,416 | 50.4% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 297 | 297 | $65,340 | $35,363 | 54.1% |
| 66821 | Removal of recurring cataract in lens capsule using a laser | Facility | 2022 | 70 | 104 | $244,400 | $27,209 | 11.1% |
| 66174 | Dilation to improve eye fluid flow | Facility | 2022 | 26 | 41 | $123,000 | $26,310 | 21.4% |
| 66982 | Complex removal of cataract with insertion of prosthetic lens | Facility | 2022 | 31 | 44 | $234,500 | $22,553 | 9.6% |
| 92083 | Exam of visual field with extended testing | Office | 2022 | 340 | 373 | $55,950 | $17,933 | 32.1% |
About Dr. Ayan Chatterjee, M.D
Dr. Ayan Chatterjee, M.D is a Internal Medicine healthcare provider based in King Of Prussia, Pennsylvania. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 06/10/2014. The National Provider Identifier (NPI) number assigned to this provider is 1265845804.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Ayan Chatterjee, M.D has received a total of $12,754 in payments from pharmaceutical and medical device companies, with $1,794 received in 2024. These payments were reported across 221 transactions from 23 companies. The most common payment nature is "Food and Beverage" ($11,366).
As a Medicare-enrolled provider, Chatterjee has provided services to 10,568 Medicare beneficiaries, totaling 13,521 services with total Medicare billing of $1.5M. Data is available for 4 years (2020–2023), covering 76 distinct procedure/service records.
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Practice Information
- Specialty Internal Medicine
- Other Specialties Ophthalmology, Glaucoma Specialist
- Location King Of Prussia, PA
- Active Since 06/10/2014
- Last Updated 01/27/2019
- Taxonomy Code 207R00000X
- Entity Type Individual
- NPI Number 1265845804
Products in Payments
- Clareon (Device) $3,012
- ISTENT TRABECULAR MICRO-BYPASS STENT SYSTEM (Device) $805.37
- AcrySof (Device) $727.97
- Hydrus Microstent (Device) $672.15
- OMNI SURGICAL SYSTEM (Device) $538.87
- Tecnis IOL (Device) $517.07
- VYZULTA (Drug) $331.92
- AcrySof IQ VIVITY IOL (Device) $276.26
- COPAXONE (Drug) $253.76
- OMNI(R) SURGICAL SYSTEM (US) (Device) $250.08
- RXSIGHT CONTACT LENS (Device) $235.44
- OMIDRIA (Drug) $213.85
- AcrySof IQ PanOptix (Device) $200.56
- iStent infinite Trabecular Micro-Bypass System Model iS3 (Device) $199.12
- Kahook Dual Blade (Device) $167.61
- ARGOS (Device) $167.10
- CyPass (Device) $165.14
- XIIDRA (Drug) $164.22
- Tecnis 1-piece IOL (Device) $161.52
- Hydrus (Device) $156.56
Explore
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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