DR. REX AARON WERNER (O.D.) – Optometrist, NPI 1821259458
Optometrist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,909 OPTOMETRY in CA
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Provider Addresses for DR. REX AARON WERNER (O.D.)
Jamacha Road, Hillsdale, El Cajon, San Diego County, California, 92019, United States
SUITE 155
EL CAJON, CA 920194319
Phone: (619) 670-6296
Fax: (619) 670-8852
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 62 Open Payments records for all available years, with a total value of $39,650.
Total Amount is formed as General ($39,650) + Research ($0) + Ownership ($0) = $39,650.
Last reported payment date: 2024-12-13 • Largest payer in this snapshot: CooperVision Inc. ($27,285).
Total Amount
$39,650
General + Research + Ownership
Payments
62
Total payment records
General Amount
$39,650
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| CooperVision Inc. | $27,285 |
| Lumenis BE inc | $9,783 |
| Apellis Pharmaceuticals, Inc. | $622 |
| Bausch & Lomb Americas Inc. | $364 |
| TOPCON HEALTHCARE, INC. | $337 |
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: 2010-10-26
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 |
|---|---|---|---|---|
| I20101026000686 | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 92019)
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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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