Walter Roberts, MD
NPI 1811985120 · Ophthalmology Physician · Glendale, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Walter Roberts, MD is a Ophthalmology Physician provider in Glendale, CA (NPI 1811985120).
Provider details
- NPI number
- 1811985120
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G27442 (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
285 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 Complete Exam of Visual System92014 | 112 | $140 |
| Established Patient Problem Focused Exam of Visual System92012 | 76 | $99 |
| Exam of Visual Field With Extended Testing92083 | 33 | $71 |
| Imaging of Optic Nerve92133 | 33 | $36 |
| Photography of the Retina92250 | 19 | $41 |
| New Patient Complete Exam of Visual System92004 | 12 | $164 |
Typical Medicare-allowed amounts for these services range $36–$164 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 254 | 44 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 54 | 14 |
| Timolol Maleate | 40 | — |
| Brimonidine Tartratebrand: Alphagan P | 28 | — |
| Brimonidine Tartrate/Timololbrand: Brimonidine Tartrate-Timolol | 15 | — |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 12 | — |
| Bimatoprostbrand: Lumigan |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$36 across 1 record (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
- 2005-10-11
- Last updated
- 2020-06-12
- Certified
- 2020-06-12
Frequently asked questions
- What is Walter Roberts's NPI number?
- Walter Roberts's National Provider Identifier (NPI) is 1811985120, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Roberts's specialty?
- Walter Roberts is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Walter Roberts located?
- Walter Roberts's practice location on file with NPPES is 1510 S Central Ave Ste 100, Glendale, CA 91204-2582.
- What is Walter Roberts's phone number?
- The practice phone number listed in the NPPES registry for Walter Roberts is (213) 483-2416.
- Does Walter Roberts accept Medicare?
- Walter Roberts is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Walter Roberts's NPI active?
- Yes — Walter Roberts's NPI (1811985120) is active in the NPPES registry as of the last update on 2020-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.