DR. CAROLYN M DUONG (OD) – Optometrist, NPI 1073878096
Optometrist
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
3,909 OPTOMETRY in CA
Provider Addresses for DR. CAROLYN M DUONG (OD)
300 Stein Plz
University of California Los Angeles
Los Angeles, CA 900950001
Phone: (310) 825-5000
Fax: (310) 825-6919
Type: Location
300 STEIN PLZ
UCLA
LOS ANGELES, CA 900957002
Phone: (310) 206-9951
Fax: (310) 825-6919
Type: Mailing
101 THE CITY DR S
ORANGE, CA 928683201
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $235.
Total Amount is formed as General ($235) + Research ($0) + Ownership ($0) = $235.
Last reported payment date: 2024-06-13 • Largest payer in this snapshot: RxSight Inc ($163).
Total Amount
$235
General + Research + Ownership
Payments
4
Total payment records
General Amount
$235
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| RxSight Inc | $163 |
| SUN PHARMACEUTICAL INDUSTRIES INC. | $45 |
| Oyster Point Pharma, Inc. | $27 |
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: 2015-01-29
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 |
|---|---|---|---|---|
| I20150129002159 | I | Optometry | 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 |
|---|---|---|---|---|
| 92014 | Established patient complete exam of visual system | 181 | 168 | $0 |
| 92134 | Imaging of retina | 140 | 128 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 89 | 76 | $0 |
| 92133 | Imaging of optic nerve | 41 | 41 | $0 |
| 92136 | Measurement of corneal curvature and depth of eye | 32 | 27 | $0 |
Insurance plans in this area (ZIP 90095)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O P H T H A L M O L O G Y | MA | |
| O P H T H A L M O L O G Y | CA | |
| Occupational Therapist In Private Practice | CA | |
| N E U R O L O G Y | CA | |
| Ophthalmology, Neurology | 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 | OH | |
| 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 | CA |
Reviews
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