DR. KRISTINE KAY YIN (M.D.) – Ophthalmology Physician, NPI 1275853608
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,665 OPHTHALMOLOGY in CA
Provider Addresses for DR. KRISTINE KAY YIN (M.D.)
475 W BADILLO ST
COVINA, CA 917231834
Phone: (626) 732-2200
Type: Mailing
4650 W SUNSET BLVD
LOS ANGELES, CA 900276062
Phone: (323) 361-2450
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 17 Open Payments records for all available years, with a total value of $474.
Total Amount is formed as General ($474) + Research ($0) + Ownership ($0) = $474.
Last reported payment date: 2024-12-02 • Largest payer in this snapshot: Amgen Inc. ($195).
Total Amount
$474
General + Research + Ownership
Payments
17
Total payment records
General Amount
$474
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Amgen Inc. | $195 |
| Horizon Therapeutics plc | $120 |
| Glaukos Corporation | $68 |
| SUN PHARMACEUTICAL INDUSTRIES INC. | $29 |
| Alcon Vision LLC | $24 |
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: 2013-06-17
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 |
|---|---|---|---|---|
| I20130617000368 | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 210 | 153 | $0 |
| 92134 | Imaging of retina | 59 | 52 | $0 |
| 92083 | Exam of visual field with extended testing | 42 | 40 | $0 |
| 92133 | Imaging of optic nerve | 41 | 41 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 39 | 39 | $0 |
Insurance plans in this area (ZIP 91723)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| O P T O M E T R Y | CA | |
| - | CA | |
| O P H T H A L M O L O G Y | CA | |
| O P T O M E T R 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 | |
| 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 | TX | |
| O P T O M E T R Y | TX |
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