Mugen Liu, M.D.
NPI 1255568143ActiveIndividual· Ophthalmology, Glaucoma Specialist· Dallas, TX
Ophthalmology, Glaucoma Specialist (M.D.) with University of Texas Southwestern Medical Center at Dallas, practicing in Dallas, Texas. Their prescriptions cost Medicare Part D more than their services did: $225,861 for 3,395 claims, against $109,387 paid for services in 2024. Sight Sciences, Inc. reported $144.51 in payments in 2025, mostly food and beverage. Lists Parkland Health & Hospital System and 1 other hospital as hospital affiliations.
Overview
| NPI | 1255568143 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 17, 2009 |
| Last updated in NPPES | Jan 5, 2026 |
| Certified by provider | Jan 5, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Glaucoma Specialist Primary | 207WX0009X | Q3400 | TX |
| Ophthalmology | 207W00000X | Q3400 | TX |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 461 |
|---|---|
| Services billed | 1,654 across 33 procedure codes |
| Paid by Medicare | $109,387 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,395 · 6,386 30-day fills |
|---|---|
| Patients | 536 |
| Total drug cost | $225,861 |
| Generic share | 69% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Ophthalmology |
Medical group
- University of Texas Southwestern Medical Center at DallasDallas, TX · 3,187 clinicians
Hospital affiliations
Industry payments (Open Payments)
- 2025$144.51 · 1 payment from 1 company
- 2024$271.69 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sight Sciences, Inc. | $144.51 | 1 |
What the 2025 payments were for
- Food and Beverage$144.51 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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