Rex Aaron Werner, O.D.
NPI 1821259458ActiveIndividual· Optometrist· El Cajon, CA
Optometrist (O.D.) in El Cajon, California, trained at Illinois College of Optometry at Chicago (class of 2008). Part D covered 12 prescriptions written in 2024, 0% of them generic. Coopervision Inc. was the largest of 6 companies reporting payments in 2025, $3,642 in all, mostly speaking and faculty fees.
Overview
| NPI | 1821259458 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 17, 2008 |
| Last updated in NPPES | Jun 17, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | CA 13478TPA | CA |
| Optometrist, Vision Therapy | 152WV0400X | CA 13478TPA | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Optometry (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 12 · 12 30-day fills |
|---|---|
| Total drug cost | $7,023 |
| Generic share | 0% of claims |
Education and affiliations
| Medical school | Illinois College of Optometry at Chicago |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Optometry |
Medical group
- Rex Aaron Werner Od, IncEl Cajon, CA · 5 clinicians
Industry payments (Open Payments)
- 2025$3,642 · 11 payments from 6 companies
- 2024$15,523 · 28 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Coopervision Inc. | $2,524 | 2 |
| Lumenis Be Inc | $550.00 | 1 |
| Bausch & Lomb Americas Inc. | $169.65 | 2 |
| Topcon Healthcare, Inc. | $166.80 | 4 |
| Abbvie Inc. | $125.00 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$2,500 · 1 payment
- Food and Beverage$1,142 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 38 optometrists in El Cajon · All optometrists in California