Ayan Chatterjee, M.D.
NPI 1265845804ActiveIndividual· Ophthalmology, Glaucoma Specialist· King Of Prussia, PA
Ophthalmology, Glaucoma Specialist (M.D.) in King Of Prussia, Pennsylvania, trained at Pennsylvania State University College of Medicine (class of 2014). In 2024 Medicare paid $327,129 for 609 patients, and Part D covered 3,348 of their prescriptions, 71% of them generic. Rxsight Inc was the largest of 12 companies reporting payments in 2025, $7,437 in all, mostly consulting fees.
Overview
| NPI | 1265845804 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 10, 2014 |
| Last updated in NPPES | Jan 27, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Glaucoma Specialist Primary | 207WX0009X | 2018-00306 | NC |
| Internal Medicine | 207R00000X | 259852 | MA |
| Ophthalmology | 207W00000X | 2018-00306 | NC |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (NJ); Practitioner - Ophthalmology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 609 |
|---|---|
| Services billed | 2,680 across 30 procedure codes |
| Paid by Medicare | $327,129 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,348 · 4,965 30-day fills |
|---|---|
| Patients | 623 |
| Total drug cost | $183,130 |
| Generic share | 71% of claims |
Education and affiliations
| Medical school | Pennsylvania State University College of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Ophthalmology |
Medical groups
- Wills Eye Ophthalmology Clinic, IncCherry Hill, NJ · 147 clinicians
- Omni Eye Specialists P AFairfield, NJ · 45 clinicians
- Delaware Valley Vision Associates Group Practice, LLCKing Of Prussia, PA · 14 clinicians
Hospital affiliation
- Wills Eye HospitalPhiladelphia, PA
Industry payments (Open Payments)
- 2025$7,437 · 49 payments from 12 companies
- 2024$1,794 · 34 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Rxsight Inc | $4,442 | 6 |
| Alcon Vision LLC | $1,536 | 19 |
| Nova Eye, Inc. | $486.71 | 2 |
| Sight Sciences, Inc. | $408.42 | 5 |
| Johnson & Johnson Surgical Vision, Inc. | $314.56 | 4 |
What the 2025 payments were for
- Consulting Fee$4,208 · 3 payments
- Food and Beverage$3,230 · 46 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records