DR. YUI FREDDY CHIEN (MD) – Ophthalmology Physician, NPI 1497955652
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 DR. YUI FREDDY CHIEN (MD)
Harbor Boulevard, Santa Ana, Orange County, California, 92704-7096, United States
2ND FLOOR OPHTHALMOLOGY
SANTA ANA, CA 927047933
Phone: (888) 988-2800
Type: Location
3401 S Harbor Blvd
2nd Floor Ophthalmology
Santa Ana, CA 927047933
Phone: (888) 988-2800
Type: Location
1400 NE MIAMI GARDENS DR STE 203
NORTH MIAMI BEACH, FL 331794844
Phone: (305) 940-1500
Fax: (305) 940-1501
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 65 Open Payments records for all available years, with a total value of $1,767.
Total Amount is formed as General ($1,767) + Research ($0) + Ownership ($0) = $1,767.
Last reported payment date: 2024-11-20 • Largest payer in this snapshot: Regeneron Healthcare Solutions, Inc. ($510).
Total Amount
$1,767
General + Research + Ownership
Payments
65
Total payment records
General Amount
$1,767
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Regeneron Healthcare Solutions, Inc. | $510 |
| ABBVIE INC. | $287 |
| Genentech USA, Inc. | $218 |
| Oyster Point Pharma, Inc. | $177 |
| Apellis Pharmaceuticals, Inc. | $146 |
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: 2019-09-24
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 |
|---|---|---|---|---|
| I20070922000027 | I | Ophthalmology | FL | TBD |
| I20190924000777 | I | Ophthalmology | VI | 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 |
|---|---|---|---|---|
| 92014 | Established patient complete exam of visual system | 638 | 352 | $0 |
| 92134 | Imaging of retina | 353 | 192 | $0 |
| 67028 | Injection of drug into eye | 199 | 75 | $0 |
| 92250 | Photography of the retina | 164 | 156 | $0 |
| J7999 | Compounded drug, not otherwise classified | 131 | 60 | $0 |
Insurance plans in this area (ZIP 92704)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OPHTHALMOLOGY | CA | 92134 | Diagnostic imaging of retina | 57 | 21 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| O P H T H A L M O L O G Y | GA | |
| O P H T H A L M O L O G Y | FL | |
| O P H T H A L M O L O G Y | FL | |
| O P H T H A L M O L O G Y | FL | |
| - | FL |
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