Douglas Freeman Chu, M.D.
NPI 1841237443ActiveIndividual· Ophthalmology· Honolulu, HI
Ophthalmology (M.D.) in Honolulu, Hawaii, trained at R Franklin University of Med & Sci/Chicago Medical School (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $192,232 for 1,545 claims, against $64,510 paid for services in 2024. Alcon Vision LLC was the largest of 3 companies reporting payments in 2025, $1,477 in all, mostly device and supply loans.
Overview
| NPI | 1841237443 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 1, 2006 |
| Last updated in NPPES | Feb 9, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | MD9013 | HI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 596 |
|---|---|
| Services billed | 1,342 across 25 procedure codes |
| Paid by Medicare | $64,510 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,545 · 2,458 30-day fills |
|---|---|
| Patients | 359 |
| Total drug cost | $192,232 |
| Generic share | 52% of claims |
Education and affiliations
| Medical school | R Franklin University of Med & Sci/Chicago Medical School |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Ophthalmology |
Medical group
- Straub Clinic and HospitalHonolulu, HI · 419 clinicians
Hospital affiliations
- Straub Clinic and HospitalHonolulu, HI
- The Queens Medical CenterHonolulu, HI
Industry payments (Open Payments)
- 2025$1,477 · 9 payments from 3 companies
- 2024$163.60 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $1,285 | 6 |
| Mallinckrodt Hospital Products Inc. | $114.97 | 1 |
| Johnson & Johnson Surgical Vision, Inc. | $77.35 | 2 |
What the 2025 payments were for
- Long term medical supply or device loan$838.09 · 1 payment
- Food and Beverage$638.74 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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