Gregory Lihau Fu, M.D.
NPI 1780048173ActiveIndividual· Ophthalmology· Rockville, MD
Ophthalmology (M.D.) in Rockville, Maryland, trained at University of Maryland School of Medicine (class of 2016). In 2024 Medicare paid $145,882 for 623 patients, and Part D covered 420 of their prescriptions, 70% of them generic. Alcon Vision LLC was the largest of 10 companies reporting payments in 2025, $901.20 in all, mostly food and beverage.
Overview
| NPI | 1780048173 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 11, 2016 |
| Last updated in NPPES | Jun 10, 2020 |
| Certified by provider | Jun 10, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | D0089140 | 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 (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 623 |
|---|---|
| Services billed | 1,406 across 31 procedure codes |
| Paid by Medicare | $145,882 |
Part D prescriptions in 2024
| Prescriptions (claims) | 420 · 731 30-day fills |
|---|---|
| Patients | 148 |
| Total drug cost | $68,680 |
| Generic share | 70% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Ophthalmology |
Medical group
- Robert C. Feldman, MD, PARockville, MD · 6 clinicians
Industry payments (Open Payments)
- 2025$901.20 · 32 payments from 10 companies
- 2024$1,131 · 39 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $268.19 | 11 |
| Tarsus Pharmaceuticals, Inc. | $176.86 | 7 |
| Sun Pharmaceutical Industries Inc. | $103.05 | 4 |
| Glaukos Corporation | $97.41 | 1 |
| Mallinckrodt Hospital Products Inc. | $77.06 | 2 |
What the 2025 payments were for
- Food and Beverage$901.20 · 32 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other ophthalmologists in Rockville
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All 49 ophthalmologists in Rockville · All ophthalmologists in Maryland