DR. ALLEN CHIANG (M.D.) – Ophthalmology Physician, NPI 1326212960
Ophthalmology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
1,144 OPHTHALMOLOGY in PA
Provider Addresses for DR. ALLEN CHIANG (M.D.)
4060 BUTLER PIKE
SUITE 200
PLYMOUTH MEETING, PA 194621560
Phone: (800) 331-6634
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $53.
Total Amount is formed as General ($53) + Research ($0) + Ownership ($0) = $53.
Last reported payment date: 2024-06-05 • Largest payer in this snapshot: Boston Scientific Corporation ($53).
Total Amount
$53
General + Research + Ownership
Payments
1
Total payment records
General Amount
$53
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-05
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boston Scientific Corporation | $53 |
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: 2013-07-05
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 |
|---|---|---|---|---|
| I20090717000382 | I | Ophthalmology | PA | TBD |
| I20130705000106 | 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 |
|---|---|---|---|---|
| J2777 | Injection, faricimab-svoa, 0.1 mg | 14,520 | 40 | $0 |
| J2778 | Injection, ranibizumab, 0.1 mg | 6,197 | 313 | $0 |
| 92134 | Imaging of retina | 5,550 | 1,901 | $0 |
| J0178 | Injection, aflibercept, 1 mg | 4,708 | 398 | $0 |
| Q5128 | Injection, ranibizumab-eqrn (cimerli), biosimilar, 0.1 mg | 4,088 | 250 | $0 |
Insurance plans in this area (ZIP 19462)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| O P H T H A L M O L O G Y | PA | |
| - | PA | |
| O P H T H A L M O L O G Y | PA | |
| O P H T H A L M O L O G Y | PA | |
| O P H T H A L M O L O G Y | PA | |
| O P H T H A L M O L O G Y | PA | |
| O P H T H A L M O L O G Y | NC | |
| O P H T H A L M O L O G Y | PA | |
| O P H T H A L M O L O G Y | PA | |
| O P H T H A L M O L O G Y | PA |
Reviews
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