Quick answers
- Does Norman H. Liu accept Medicare assignment?
- Yes. Medicare's clinician data says Norman H. Liu accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Norman H. Liu see?
- In 2024, CMS data shows 651 Original Medicare patients and 2,254 services for Norman H. Liu. This counts Original Medicare only and measures volume, not quality.
- What is Norman H. Liu's NPI number?
- 1861492860. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Norman H. Liu, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 651 |
|---|---|
| Services billed to Medicare | 2,254 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient problem focused exam of visual system (92012)572 services
- Established patient complete exam of visual system (92014)434 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)155 services
- Exam of visual field with extended testing (92083)140 services
- Photography of the retina (92250)140 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Diabetes49%
- Arthritis40%
- Chronic kidney disease30%
- Osteoporosis23%
Practice locations
Addresses where Norman H. Liu is enrolled with Medicare (CMS data updated October 2, 2026).
- 12665 Garden Grove Blvd, Suite 401Garden Grove, CA 92843 (714) 534‑8373
Group practices
Medicare enrollment lists Norman H. Liu as a member of this group (CMS data updated October 2, 2026).
- Orange County Ophthalmology Medical Group.4 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Garden Grove
Clinicians with the same Medicare primary specialty in Garden Grove, CA — not a recommendation.
Other clinicians in Orange County Ophthalmology Medical Group.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, San Francisco School Of Medicine |
| Graduation year | 1996 (30 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861492860 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians