JOHN HWANG (MD) – Retina Specialist (Ophthalmology) Physician, NPI 1629235510
Retina Specialist (Ophthalmology) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,665 OPHTHALMOLOGY in CA
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Provider Addresses for JOHN HWANG (MD)
Taj Mahal Medical Center, 23521, Paseo de Valencia, Laguna Hills, Orange County, California, 92653, United States
SUITE 207
LAGUNA HILLS, CA 926533107
Phone: (949) 707-5125
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 11 Open Payments records for all available years, with a total value of $580.
Total Amount is formed as General ($580) + Research ($0) + Ownership ($0) = $580.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: Regeneron Healthcare Solutions, Inc. ($197).
Total Amount
$580
General + Research + Ownership
Payments
11
Total payment records
General Amount
$580
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2011-05-25
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 |
|---|---|---|---|---|
| I20110525000266 | I | Ophthalmology | CA | 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 | 12,900 | 26 | $0 |
| 92134 | Imaging of retina | 2,645 | 835 | $0 |
| 67028 | Injection of drug into eye | 1,617 | 221 | $0 |
| 92202 | Extended exam of the back part of the eye with optic nerve drawing | 1,442 | 704 | $0 |
| J0178 | Injection, aflibercept, 1 mg | 1,408 | 120 | $0 |
Insurance plans in this area (ZIP 92653)
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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 | CA | |
| O P H T H A L M O L O G Y | CA | |
| 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 | CA |
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