DR. CANDY KAIHING CHAN (MD, PHD) – Ophthalmology Physician, NPI 1497876254
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,665 OPHTHALMOLOGY in CA
Provider Addresses for DR. CANDY KAIHING CHAN (MD, PHD)
910 E STOWELL RD
SANTA MARIA, CA 934547001
Phone: (805) 614-7717
Fax: (805) 614-7718
Type: Location
1144 S CHAPEL AVE
ALHAMBRA, CA 918014827
Phone: (323) 459-3136
Type: Mailing
709 FREMONT AVE STE C
SOUTH PASADENA, CA 910302560
Phone: (626) 507-5655
Fax: (626) 507-5656
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 7 Open Payments records for all available years, with a total value of $281.
Total Amount is formed as General ($281) + Research ($0) + Ownership ($0) = $281.
Last reported payment date: 2024-11-19 • Largest payer in this snapshot: Regeneron Healthcare Solutions, Inc. ($177).
Total Amount
$281
General + Research + Ownership
Payments
7
Total payment records
General Amount
$281
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-19
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: 2010-07-27
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 |
|---|---|---|---|---|
| I20100727000925 | 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 |
|---|---|---|---|---|
| 92134 | Imaging of retina | 333 | 150 | $0 |
| 92012 | Established patient problem focused exam of visual system | 174 | 82 | $0 |
| J0178 | Injection, aflibercept, 1 mg | 124 | 16 | $0 |
| 67028 | Injection of drug into eye | 99 | 17 | $0 |
| 92083 | Exam of visual field with extended testing | 78 | 69 | $0 |
Insurance plans in this area (ZIP 93454)
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