James Liu, MD
NPI 1093101974 · Glaucoma Specialist (Ophthalmology) Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Liu, MD is a Glaucoma Specialist (Ophthalmology) Physician provider in Saint Louis, MO (NPI 1093101974).
Provider details
- NPI number
- 1093101974
- Entity type
- Individual
- Primary specialty
- Glaucoma Specialist (Ophthalmology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2019019612 (MO)
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
11 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
1,670 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 | 622 | $123 |
| Exam of Visual Field With Extended Testing92083 | 305 | $60 |
| Imaging of Optic Nerve92133 | 256 | $34 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 85 | $87 |
| Exam of the Internal Drainage System of Eye92020 | 71 | $26 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 62 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 1,354 | 370 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 991 | 288 |
| Brimonidine Tartrate | 615 | 177 |
| Prednisolone Acetate | 527 | 274 |
| Dorzolamide Hcl | 367 | 112 |
| Timolol Maleate | 286 | 89 |
| Moxifloxacin Hclbrand: Moxifloxacin | 249 | 191 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$11,461 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
- 2015-04-08
- Last updated
- 2025-04-17
- Certified
- 2022-06-07
Frequently asked questions
- What is James Liu's NPI number?
- James Liu's National Provider Identifier (NPI) is 1093101974, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Liu's specialty?
- James Liu is listed in the NPPES registry with a primary specialty of Glaucoma Specialist (Ophthalmology) Physician (Allopathic & Osteopathic Physicians).
- Where is James Liu located?
- James Liu's practice location on file with NPPES is 4901 Forest Park Ave, Saint Louis, MO 63108-1495.
- What is James Liu's phone number?
- The practice phone number listed in the NPPES registry for James Liu is (314) 362-3937.
- Does James Liu accept Medicare?
- James Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Liu's NPI active?
- Yes — James Liu's NPI (1093101974) is active in the NPPES registry as of the last update on 2025-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.