DR. NANCY PARK WU (O.D.) – Optometrist, NPI 1821067505
Optometrist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,909 OPTOMETRY in CA
Provider Addresses for DR. NANCY PARK WU (O.D.)
1275 AIRPORT PARK BLVD
UKIAH, CA 954827400
Phone: (707) 313-8019
Fax: (707) 313-8018
Type: Location
22735 SPARROWDELL DR
CALABASAS, CA 913021818
Phone: (310) 430-0586
Fax: (707) 313-8018
Type: Mailing
Costco, 6100, Sepulveda Boulevard, Van Nuys Neighborhood Council District, Los Angeles, Los Angeles County, California, 91411, United States
VAN NUYS, CA 914112503
Phone: (818) 373-0212
Fax: (818) 376-1212
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 10 Open Payments records for all available years, with a total value of $486.
Total Amount is formed as General ($486) + Research ($0) + Ownership ($0) = $486.
Last reported payment date: 2024-08-21 • Largest payer in this snapshot: Alcon Vision LLC ($306).
Total Amount
$486
General + Research + Ownership
Payments
10
Total payment records
General Amount
$486
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-21
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Alcon Vision LLC | $306 |
| Johnson & Johnson Vision Care, Inc. | $150 |
| CooperVision Inc. | $30 |
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: 2004-08-14
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 |
|---|---|---|---|---|
| I20040814000241 | 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 |
|---|---|---|---|---|
| 92004 | New patient complete exam of visual system | 31 | 31 | $0 |
| 92250 | Photography of the retina | 22 | 22 | $0 |
Insurance plans in this area (ZIP 95482)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O P T O M E T R Y | CA | |
| O P T O M E T R Y | CA |
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