Norman Liu, M.D.
NPI 1861492860 · Ophthalmology Physician · Garden Grove, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Norman Liu, M.D. is a Ophthalmology Physician provider in Garden Grove, CA (NPI 1861492860).
Provider details
- NPI number
- 1861492860
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A63593 (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
1,883 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 Problem Focused Exam of Visual System92012 | 572 | $104 |
| Established Patient Complete Exam of Visual System92014 | 434 | $145 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 155 | $144 |
| Exam of Visual Field With Extended Testing92083 | 140 | $75 |
| Photography of the Retina92250 | 140 | $43 |
| New Patient Complete Exam of Visual System92004 | 100 | $171 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 1,016 | 201 |
| Prednisolone Acetate | 229 | 142 |
| Lifitegrastbrand: Xiidra | 193 | 40 |
| Ketorolac Tromethamine | 165 | 114 |
| Ciprofloxacin Hcl | 156 | 113 |
| Cyclosporine | 138 | 31 |
| Netarsudil Mesylatebrand: Rhopressa | 138 | 28 |
| Timolol Maleate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$309 across 12 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
- 2005-08-01
- Last updated
- 2013-06-11
Frequently asked questions
- What is Norman Liu's NPI number?
- Norman Liu's National Provider Identifier (NPI) is 1861492860, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Norman Liu's specialty?
- Norman Liu is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Norman Liu located?
- Norman Liu's practice location on file with NPPES is 12665 Garden Grove Blvd, Garden Grove, CA 92843-1901.
- What is Norman Liu's phone number?
- The practice phone number listed in the NPPES registry for Norman Liu is (714) 534-8373.
- Does Norman Liu accept Medicare?
- Norman Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Norman Liu's NPI active?
- Yes — Norman Liu's NPI (1861492860) is active in the NPPES registry as of the last update on 2013-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.