Margaret Liu, M.D.
NPI 1033384748 · Ophthalmology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Liu, M.D. is a Ophthalmology Physician provider in San Francisco, CA (NPI 1033384748).
Provider details
- NPI number
- 1033384748
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A119575 (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
18 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
1,589 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 | 309 | $159 |
| Established Patient Problem Focused Exam of Visual System92012 | 234 | $112 |
| Imaging of Retina92134 | 203 | $47 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 165 | $59 |
| Ct Scan of Cornea92025 | 156 | $42 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 131 | $641 |
| Exam of Visual Field With Extended Testing |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 402 | 242 |
| Ofloxacin | 308 | 223 |
| Latanoprost | 138 | 40 |
| Netarsudil Mesylat/Latanoprostbrand: Rocklatan | 65 | 13 |
| Timolol Maleate | 62 | 18 |
| Lifitegrastbrand: Xiidra | 61 | 13 |
| Brimonidine Tartrate | 48 | 13 |
| Bimatoprostbrand: Lumigan |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$594 across 23 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
- 2008-04-23
- Last updated
- 2024-01-22
- Certified
- 2024-01-22
Frequently asked questions
- What is Margaret Liu's NPI number?
- Margaret Liu's National Provider Identifier (NPI) is 1033384748, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Liu's specialty?
- Margaret Liu is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Liu located?
- Margaret Liu's practice location on file with NPPES is 711 Van Ness Ave Ste 310, San Francisco, CA 94102-3285.
- What is Margaret Liu's phone number?
- The practice phone number listed in the NPPES registry for Margaret Liu is (415) 421-8667.
- Does Margaret Liu accept Medicare?
- Margaret Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Liu's NPI active?
- Yes — Margaret Liu's NPI (1033384748) is active in the NPPES registry as of the last update on 2024-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.