Louisa Lu, MD
NPI 1285261289 · Ophthalmology Physician · Greenbrae, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louisa Lu, MD is a Ophthalmology Physician provider in Greenbrae, CA (NPI 1285261289).
Provider details
- NPI number
- 1285261289
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A194833 (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
6 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
554 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) |
|---|---|---|
| Imaging of Retina92134 | 181 | $51 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 91 | $198 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 69 | $154 |
| Established Patient Complete Exam of Visual System92014 | 68 | $159 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 28 | $19 |
| Exam of Visual Field With Extended Testing92083 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,641 across 8 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
- 2020-03-27
- Last updated
- 2025-07-03
- Certified
- 2025-07-03
Frequently asked questions
- What is Louisa Lu's NPI number?
- Louisa Lu's National Provider Identifier (NPI) is 1285261289, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louisa Lu's specialty?
- Louisa Lu is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Louisa Lu located?
- Louisa Lu's practice location on file with NPPES is 900 S Eliseo Dr Ste 102, Greenbrae, CA 94904-2152.
- What is Louisa Lu's phone number?
- The practice phone number listed in the NPPES registry for Louisa Lu is (415) 461-8200.
- Does Louisa Lu accept Medicare?
- Louisa Lu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louisa Lu's NPI active?
- Yes — Louisa Lu's NPI (1285261289) is active in the NPPES registry as of the last update on 2025-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.