Robert Filer, M.D.
NPI 1467520833 · Ophthalmology Physician · San Mateo, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Filer, M.D. is a Ophthalmology Physician provider in San Mateo, CA (NPI 1467520833).
Provider details
- NPI number
- 1467520833
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A49487 (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
19 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
5,710 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 | 1,411 | $161 |
| Photography of the Retina92250 | 780 | $47 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 580 | $111 |
| Imaging of Retina92134 | 535 | $51 |
| Exam of Visual Field With Extended Testing92083 | 477 | $83 |
| Imaging of Optic Nerve92133 | 398 | $43 |
| Established Patient Problem Focused Exam of Visual System |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 220 | 63 |
| Bimatoprostbrand: Lumigan | 159 | 48 |
| Timolol Maleate | 98 | 31 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 86 | 23 |
| Brimonidine Tartrate | 74 | 23 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 67 | 50 |
| Netarsudil Mesylat/Latanoprostbrand: Rocklatan | 53 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$722 across 28 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
- 2006-12-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Robert Filer's NPI number?
- Robert Filer's National Provider Identifier (NPI) is 1467520833, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Filer's specialty?
- Robert Filer is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Filer located?
- Robert Filer's practice location on file with NPPES is 50 S San Mateo Dr, San Mateo, CA 94401-3857.
- What is Robert Filer's phone number?
- The practice phone number listed in the NPPES registry for Robert Filer is (650) 342-4595.
- Does Robert Filer accept Medicare?
- Robert Filer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Filer's NPI active?
- Yes — Robert Filer's NPI (1467520833) 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.