Ray Glendrange, M.D.
NPI 1164484507 · Ophthalmology Physician · Riverside, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ray Glendrange, M.D. is a Ophthalmology Physician provider in Riverside, CA (NPI 1164484507).
Provider details
- NPI number
- 1164484507
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- G61038 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,118 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Problem Focused Exam of Visual System92012 | 766 | $93 |
| Established Patient Complete Exam of Visual System92014 | 530 | $132 |
| Photography of the Retina92250 | 255 | $39 |
| Imaging of Retina92134 | 234 | $41 |
| Exam of Visual Field With Extended Testing92083 | 191 | $67 |
| Imaging of Optic Nerve92133 | 186 | $37 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 1,191 | 328 |
| Prednisolone Acetate | 426 | 279 |
| Timolol Maleate | 378 | 131 |
| Ketorolac Tromethamine | 298 | 190 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 284 | 87 |
| Brimonidine Tartrate | 260 | 72 |
| Bimatoprostbrand: Lumigan | 172 | 42 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$681 across 21 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ray Glendrange's NPI number?
- Ray Glendrange's National Provider Identifier (NPI) is 1164484507, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ray Glendrange's specialty?
- Ray Glendrange is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Ray Glendrange located?
- Ray Glendrange's practice location on file with NPPES is 4605 Brockton Ave, Riverside, CA 92506-0106.
- What is Ray Glendrange's phone number?
- The practice phone number listed in the NPPES registry for Ray Glendrange is (951) 686-4911.
- Does Ray Glendrange accept Medicare?
- Ray Glendrange is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ray Glendrange's NPI active?
- Yes — Ray Glendrange's NPI (1164484507) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.