Frank Sun Wook Hwang, MD
NPI 1548433600ActiveIndividual· Ophthalmology· Loma Linda, CA
Ophthalmology (MD) in Loma Linda, California, trained at Icahn School of Medicine at Mount Sinai (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $531,613 for 2,042 claims, against $139,852 paid for services in 2024. Alcon Vision LLC was the largest of 8 companies reporting payments in 2025, $677.06 in all, mostly food and beverage.
Overview
| NPI | 1548433600 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 10, 2008 |
| Last updated in NPPES | Jun 22, 2020 |
| Certified by provider | Jun 22, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | C144717 | CA |
| Ophthalmology | 207W00000X | 4301100805 | MI |
| Ophthalmology | 207W00000X | 52233-20 | WI |
| Ophthalmology | 207W00000X | D0071980 | MD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 533 |
|---|---|
| Services billed | 1,208 across 47 procedure codes |
| Paid by Medicare | $139,852 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,042 · 3,271 30-day fills |
|---|---|
| Patients | 453 |
| Total drug cost | $531,613 |
| Generic share | 51% of claims |
Education and affiliations
| Medical school | Icahn School of Medicine at Mount Sinai |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Ophthalmology |
Medical group
- Faculty Physicians and Surgeons of LlusmLoma Linda, CA · 1,315 clinicians
Hospital affiliations
- Loma Linda University Medical CenterLoma Linda, CA
- Riverside University Health System-Medical CenterMoreno Valley, CA
Industry payments (Open Payments)
- 2025$677.06 · 16 payments from 8 companies
- 2024$371.47 · 11 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $322.69 | 6 |
| Organogenesis Inc. | $107.56 | 1 |
| Dompe US, Inc. | $66.86 | 2 |
| Johnson & Johnson Surgical Vision, Inc. | $56.57 | 2 |
| Harrow Eye, LLC | $55.75 | 2 |
What the 2025 payments were for
- Food and Beverage$677.06 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 40 ophthalmologists in Loma Linda · All ophthalmologists in California