Wendy Liu, MD, PHD
NPI 1790132637 · Ophthalmology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wendy Liu, MD, PHD is a Ophthalmology Physician provider in Stanford, CA (NPI 1790132637).
Provider details
- NPI number
- 1790132637
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Female
- Sole proprietor
- No
- License
- MD469717 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 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
1,079 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 Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 295 | $110 |
| Imaging of Optic Nerve92133 | 145 | $25 |
| Exam of Visual Field With Extended Testing92083 | 120 | $31 |
| Exam of the Internal Drainage System of Eye92020 | 92 | $24 |
| Ultrasound Scan of Cornea to Determine Thickness76514 | 73 | $9 |
| Imaging of Retina92134 | 63 | $29 |
| Measurement of Corneal Curvature and Depth of Eye |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 120 | 85 |
| Latanoprost | 115 | 41 |
| Moxifloxacin Hclbrand: Moxifloxacin | 78 | 63 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 68 | 27 |
| Brimonidine Tartrate | 57 | 23 |
| Timolol Maleate | 26 | 11 |
| Ketorolac Tromethamine | 14 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$379 across 10 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
- 2016-05-20
- Last updated
- 2024-04-04
- Certified
- 2024-04-04
Frequently asked questions
- What is Wendy Liu's NPI number?
- Wendy Liu's National Provider Identifier (NPI) is 1790132637, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wendy Liu's specialty?
- Wendy Liu is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Wendy Liu located?
- Wendy Liu's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Wendy Liu's phone number?
- The practice phone number listed in the NPPES registry for Wendy Liu is (650) 723-4000.
- Does Wendy Liu accept Medicare?
- Wendy Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wendy Liu's NPI active?
- Yes — Wendy Liu's NPI (1790132637) is active in the NPPES registry as of the last update on 2024-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.