DR. AYAN CHATTERJEE (M.D.) – Glaucoma Specialist (Ophthalmology) Physician, NPI 1265845804
Glaucoma Specialist (Ophthalmology) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
801 OPHTHALMOLOGY in MA
Provider Addresses for DR. AYAN CHATTERJEE (M.D.)
123 Summer St
Worcester, MA 016081216
Phone: (508) 363-6208
Type: Location
861 N LEITHGOW ST
PHILADELPHIA, PA 191232127
Phone: (919) 597-8747
Type: Mailing
200 MALL BLVD
KING OF PRUSSIA, PA 194062902
Phone: (866) 407-1852
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 84 Open Payments records for all available years, with a total value of $7,604.
Total Amount is formed as General ($7,604) + Research ($0) + Ownership ($0) = $7,604.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: RxSight Inc ($3,710).
Total Amount
$7,604
General + Research + Ownership
Payments
84
Total payment records
General Amount
$7,604
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| RxSight Inc | $3,710 |
| Alcon Vision LLC | $2,686 |
| Sight Sciences, Inc. | $557 |
| Johnson & Johnson Surgical Vision, Inc. | $238 |
| Glaukos Corporation | $199 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2019-08-19
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20190805003272 | I | Ophthalmology | PA | TBD |
| I20190819001912 | I | Ophthalmology | NJ | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 92136 | Measurement of corneal curvature and depth of eye | 811 | 344 | $0 |
| 66984 | Removal of cataract with insertion of prosthetic lens | 478 | 271 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 330 | 330 | $0 |
| 92014 | Established patient complete exam of visual system | 320 | 298 | $0 |
| 92083 | Exam of visual field with extended testing | 287 | 282 | $0 |
Insurance plans in this area (ZIP 01608)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | NJ | |
| O P H T H A L M O L O G Y | NJ | |
| O P T O M E T R Y | PA | |
| O P H T H A L M O L O G Y | MA | |
| O P T O M E T R Y | NJ | |
| O P H T H A L M O L O G Y | NJ | |
| O P T O M E T R Y | NJ | |
| O P T O M E T R Y | NJ | |
| O P H T H A L M O L O G Y | NJ | |
| O P H T H A L M O L O G Y | PA |
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