Douglas Chu, M.D.
NPI 1841237443 · Ophthalmology Physician · Honolulu, HI
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Chu, M.D. is a Ophthalmology Physician provider in Honolulu, HI (NPI 1841237443).
Provider details
- NPI number
- 1841237443
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD9013 (HI)
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
1,265 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 Complete Exam of Visual System92014 | 218 | $75 |
| Established Patient Problem Focused Exam of Visual System92012 | 205 | $50 |
| Established Patient Complete Exam of Visual System92014 | 195 | $90 |
| Established Patient Problem Focused Exam of Visual System92012 | 188 | $62 |
| Imaging of Optic Nerve92133 | 93 | $21 |
| Exam of Visual Field With Extended Testing92083 | 90 | $27 |
| Exam of Visual Field With Extended Testing |
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 | 526 | 156 |
| Timolol Maleate | 234 | 67 |
| Prednisolone Acetate | 114 | 76 |
| Brimonidine Tartrate | 95 | 32 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 93 | 24 |
| Ketorolac Tromethamine | 85 | 47 |
| Ofloxacin | 75 | 49 |
| Cyclosporinebrand: Restasis |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$164 across 2 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
- 2006-06-01
- Last updated
- 2017-02-09
Frequently asked questions
- What is Douglas Chu's NPI number?
- Douglas Chu's National Provider Identifier (NPI) is 1841237443, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Chu's specialty?
- Douglas Chu is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Chu located?
- Douglas Chu's practice location on file with NPPES is 1401 S Beretania St, Honolulu, HI 96814-1870.
- What is Douglas Chu's phone number?
- The practice phone number listed in the NPPES registry for Douglas Chu is (808) 942-5800.
- Does Douglas Chu accept Medicare?
- Douglas Chu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Chu's NPI active?
- Yes — Douglas Chu's NPI (1841237443) is active in the NPPES registry as of the last update on 2017-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.