Liyung Chou, MD
NPI 1942864418 · Ophthalmology Physician · Santa Clara, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Liyung Chou, MD is a Ophthalmology Physician provider in Santa Clara, CA (NPI 1942864418).
Provider details
- NPI number
- 1942864418
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 188624 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 168 | 103 |
| Diclofenac Sodium | 122 | 70 |
| Latanoprost | 107 | 56 |
| Polymyxin B Sulf/Trimethoprimbrand: Polymyxin B Sul-Trimethoprim | 105 | 71 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 47 | 20 |
| Erythromycin Basebrand: Erythromycin | 37 | 26 |
| Brimonidine Tartrate | 32 | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-04-30
- Last updated
- 2023-09-25
- Certified
- 2023-09-25
Frequently asked questions
- What is Liyung Chou's NPI number?
- Liyung Chou's National Provider Identifier (NPI) is 1942864418, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Liyung Chou's specialty?
- Liyung Chou is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Liyung Chou located?
- Liyung Chou's practice location on file with NPPES is 710 Lawrence Expy, Santa Clara, CA 95051-5173.
- What is Liyung Chou's phone number?
- The practice phone number listed in the NPPES registry for Liyung Chou is (408) 851-1000.
- Does Liyung Chou accept Medicare?
- Liyung Chou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Liyung Chou's NPI active?
- Yes — Liyung Chou's NPI (1942864418) is active in the NPPES registry as of the last update on 2023-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.