Stephan Chiu, M.D.
NPI 1053846956 · Ophthalmology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephan Chiu, M.D. is a Ophthalmology Physician provider in Los Angeles, CA (NPI 1053846956).
Provider details
- NPI number
- 1053846956
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,304 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) |
|---|---|---|
| Imaging of Retina92134 | 228 | $47 |
| Established Patient Complete Exam of Visual System92014 | 217 | $145 |
| Established Patient Problem Focused Exam of Visual System92012 | 171 | $106 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 128 | $140 |
| New Patient Complete Exam of Visual System92004 | 99 | $177 |
| Imaging of Optic Nerve92133 | 77 | $42 |
| Closure of Tear Duct Opening Using Plug |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 475 | 122 |
| Prednisolone Acetate | 351 | 195 |
| Moxifloxacin Hclbrand: Moxifloxacin | 264 | 164 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 132 | 45 |
| Timolol Maleate | 116 | 38 |
| Cyclosporinebrand: Restasis | 96 | 26 |
| Ketorolac Tromethamine | 61 | 40 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,460 across 31 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
Additional practice locations (2)
- 5565 Grossmont Center Dr Ste 551La Mesa, CA 91942-3078Phone: (800) 898-2020Fax: (844) 897-3788
- 4733 W Sunset Blvd Fl 3Los Angeles, CA 90027-6021Phone: (323) 783-4516
Registry dates
- Enumerated
- 2017-04-27
- Last updated
- 2022-02-17
- Certified
- 2022-02-17
Frequently asked questions
- What is Stephan Chiu's NPI number?
- Stephan Chiu's National Provider Identifier (NPI) is 1053846956, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephan Chiu's specialty?
- Stephan Chiu is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephan Chiu located?
- Stephan Chiu's practice location on file with NPPES is 100 Stein Plz, Los Angeles, CA 90095-6021.
- What is Stephan Chiu's phone number?
- The practice phone number listed in the NPPES registry for Stephan Chiu is (310) 825-3090.
- Does Stephan Chiu accept Medicare?
- Stephan Chiu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephan Chiu's NPI active?
- Yes — Stephan Chiu's NPI (1053846956) is active in the NPPES registry as of the last update on 2022-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.