JOHN SIANO – Ophthalmology Physician, NPI 1326509506
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
324 OPHTHALMOLOGY in CT
Provider Addresses for JOHN SIANO
87 GRANDVIEW AVE STE B
WATERBURY, CT 067082514
Phone: (203) 574-2020
Type: Mailing
2200 WHITNEY AVE STE 300
HAMDEN, CT 065183602
Phone: (203) 288-2020
Fax: (203) 288-2470
Type: Location
8268 164TH ST
JAMAICA, NY 114321121
Phone: (718) 883-3000
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 33 Open Payments records for all available years, with a total value of $1,213.
Total Amount is formed as General ($1,213) + Research ($0) + Ownership ($0) = $1,213.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: Regeneron Healthcare Solutions, Inc. ($503).
Total Amount
$1,213
General + Research + Ownership
Payments
33
Total payment records
General Amount
$1,213
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Regeneron Healthcare Solutions, Inc. | $503 |
| Genentech, Inc. | $143 |
| Mallinckrodt Hospital Products Inc. | $120 |
| Horizon Therapeutics plc | $115 |
| Astellas Pharma US Inc | $100 |
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: 2023-04-19
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20230419002568 | I | Ophthalmology | CT | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 06708)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O P T O M E T R Y | CT | |
| O P H T H A L M O L O G Y | CT | |
| O P H T H A L M O L O G Y | CT | |
| O P T O M E T R Y | CT | |
| O P H T H A L M O L O G Y | CT | |
| O P H T H A L M O L O G Y | CT | |
| O P H T H A L M O L O G Y | NY | |
| O P H T H A L M O L O G Y | CT | |
| O P H T H A L M O L O G Y | CT | |
| O P H T H A L M O L O G Y | NY |
Reviews
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