Brian Lenser, MD
NPI 1275504524 · Ophthalmology Physician · Modesto, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Lenser, MD is a Ophthalmology Physician provider in Modesto, CA (NPI 1275504524).
Provider details
- NPI number
- 1275504524
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G75079 (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
2,111 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 | 401 | $130 |
| Established Patient Problem Focused Exam of Visual System92012 | 306 | $93 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 275 | $41 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 268 | $525 |
| New Patient Complete Exam of Visual System92004 | 221 | $154 |
| Exam of Visual Field With Extended Testing92083 | 135 | $66 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 1,379 | 249 |
| Prednisolone Acetate | 315 | 203 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 307 | 68 |
| Dorzolamide Hcl | 183 | 43 |
| Brimonidine Tartrate | 123 | 23 |
| Fluorometholone | 97 | 37 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 90 | 67 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$66 across 3 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
- 2006-01-26
- Last updated
- 2010-10-15
Frequently asked questions
- What is Brian Lenser's NPI number?
- Brian Lenser's National Provider Identifier (NPI) is 1275504524, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Lenser's specialty?
- Brian Lenser is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Lenser located?
- Brian Lenser's practice location on file with NPPES is 3109 Coffee Rd, Modesto, CA 95355-1766.
- What is Brian Lenser's phone number?
- The practice phone number listed in the NPPES registry for Brian Lenser is (209) 572-8528.
- Does Brian Lenser accept Medicare?
- Brian Lenser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Lenser's NPI active?
- Yes — Brian Lenser's NPI (1275504524) is active in the NPPES registry as of the last update on 2010-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.