LISA KYOO-HAE HWANG (M.D.) – Ophthalmology Physician, NPI 1932376159
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 LISA KYOO-HAE HWANG (M.D.)
1966, Alpha Street, El Sereno, South Pasadena, Los Angeles County, California, 91030, United States
SOUTH PASADENA, CA 910304219
Phone: (646) 872-8649
Type: Mailing
43112, 15th Street West, Lancaster, Los Angeles County, California, 93534, United States
LANCASTER, CA 935346219
Phone: (646) 872-8649
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 53 Open Payments records for all available years, with a total value of $1,591.
Total Amount is formed as General ($1,591) + Research ($0) + Ownership ($0) = $1,591.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: ABBVIE INC. ($556).
Total Amount
$1,591
General + Research + Ownership
Payments
53
Total payment records
General Amount
$1,591
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
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: 2009-04-24
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 |
|---|---|---|---|---|
| I20090424000440 | 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 |
|---|---|---|---|---|
| 92014 | Established patient complete exam of visual system | 770 | 689 | $0 |
| 92004 | New patient complete exam of visual system | 370 | 370 | $0 |
| 68761 | Closure of tear duct opening using plug | 313 | 47 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 293 | 154 | $0 |
| 92083 | Exam of visual field with extended testing | 80 | 77 | $0 |
Insurance plans in this area (ZIP 91030)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OPHTHALMOLOGY | CA | 92012 | Eye and medical examination for diagnosis and treatment, established patient | 116 | 89 |
| OPHTHALMOLOGY | CA | 92083 | Measurement of field of vision during daylight conditions | 42 | 42 |
| OPHTHALMOLOGY | CA | 92134 | Diagnostic imaging of retina | 51 | 50 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| O P T O M E T R Y | CA |
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