Ray Rogers Glendrange, M.D.
NPI 1164484507ActiveIndividual· Ophthalmology· Riverside, CA
Ophthalmology (M.D.) in Riverside, California, trained at Loma Linda University School of Medicine (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $677,373 for 4,144 claims, against $290,798 paid for services in 2024. Alcon Vision LLC was the largest of 9 companies reporting payments in 2025, $945.55 in all, mostly food and beverage.
Overview
| NPI | 1164484507 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 3, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | G61038 | 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 - Ophthalmology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 879 |
|---|---|
| Services billed | 3,209 across 36 procedure codes |
| Paid by Medicare | $290,798 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,144 · 6,819 30-day fills |
|---|---|
| Patients | 891 |
| Total drug cost | $677,373 |
| Generic share | 56% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Ophthalmology |
Medical group
- Riverside Eye Specialists Medical Group IncRiverside, CA · 3 clinicians
Industry payments (Open Payments)
- 2025$945.55 · 23 payments from 9 companies
- 2024$681.36 · 21 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $400.88 | 10 |
| Abbvie Inc. | $129.55 | 5 |
| Bausch & Lomb Americas Inc. | $124.99 | 1 |
| Braeburn Inc. | $119.31 | 1 |
| Amgen Inc. | $42.79 | 2 |
What the 2025 payments were for
- Food and Beverage$945.55 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 35 ophthalmologists in Riverside · All ophthalmologists in California