Dr. David Liao, M.D.,PH.D.
What this data tells you about Dr. Liao
Dr. David Liao is an ophthalmology specialist in Los Angeles, CA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Liao performed 28,753 Medicare services across 3,454 unique beneficiaries.
Between the years covered by Open Payments, Dr. Liao received a total of $6,898 from 17 pharmaceutical and/or device companies across 66 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in ophthalmology. The majority of payments are for speaking programs and promotional activities, reflecting participation in industry-sponsored events. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Liao is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Eye injection (Vabysmo/faricimab) An injection of faricimab-svoa, a medication administered in 0.1 mg doses. |
20,040 | $29 | $85 |
| Retinal imaging (OCT scan) This procedure involves imaging the retina to visualize its structure. It is used to examine the back of the eye. |
2,832 | $34 | $150 |
| Eye injection for retinal disease A procedure involving the administration of medication directly into the eye. |
1,286 | $105 | $776 |
| Comprehensive eye exam, established patient A comprehensive examination of the visual system performed for a patient who has previously been seen by the provider. |
1,162 | $98 | $300 |
| Aflibercept eye injection (Eylea) | 1,054 | $685 | $2,500 |
| Eye exam, established patient, focused A limited examination of the visual system for an existing patient. The provider focuses on a specific eye-related concern or symptom. |
535 | $80 | $200 |
| Ranibizumab-eqrn injection, 0.1 mg An injection of the biosimilar medication ranibizumab-eqrn (Cimerli) in a 0.1 mg dose. |
517 | $220 | $700 |
| Bevacizumab injection, 10 mg Administration of a 10 mg dose of bevacizumab medication via injection. |
482 | $56 | $200 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
295 | $128 | $300 |
| Extended exam of back of eye with optic nerve drawing A detailed examination of the posterior section of the eye, including the optic nerve, with documentation through drawing. |
104 | $11 | $170 |
| Ultrasound of eye tissue and structures A diagnostic imaging test that uses sound waves to create pictures of the eye's internal tissues and structures. |
83 | $40 | $200 |
| Extended eye exam with retinal drawing A detailed examination of the back of the eye that includes creating a drawing of the retina. |
77 | $19 | $170 |
| Retinal angiography with dye injection This procedure uses a special camera to examine the blood vessels in the retina after a dye has been injected into the body. |
75 | $124 | $275 |
| Visual field test, extended A test that maps your complete field of vision to detect blind spots or peripheral vision loss. Extended testing provides a more detailed assessment than a standard visual field exam. |
53 | $50 | $150 |
| Retinal and optic nerve function test A diagnostic test that measures the function of the retina and optic nerve at multiple specific locations. |
34 | $79 | $137 |
| Vitreous removal between lens and retina This procedure involves the removal of the vitreous fluid located between the lens and the retina of the eye. |
23 | $639 | $5,500 |
| Retinal and optic nerve function test A diagnostic test that measures how well the retina and optic nerve are functioning. |
18 | $115 | $204 |
| Comprehensive eye exam, new patient A comprehensive examination of the visual system performed for a new patient. |
16 | $81 | $350 |
| Retinal laser treatment for leaking blood vessels This procedure uses a laser to seal leaking blood vessels in the retina. It is performed to prevent vision loss caused by fluid leakage from damaged retinal vessels. |
12 | $299 | $1,900 |
| Retinal membrane and internal limiting membrane removal A surgical procedure to remove a membrane from the retina along with the internal limiting membrane of the retina. |
11 | $984 | $6,200 |
| Retinal detachment repair with fluid drainage A surgical procedure to reattach a detached retina by draining excess fluid from the space between the lens and the retina. |
11 | $1,023 | $5,700 |
| Complex detached retina repair with eye fluid drainage A surgical procedure to repair a detached retina and drain fluid located between the lens and the retina. |
11 | $1,041 | $6,200 |
| Retinal photocoagulation to prevent detachment This procedure uses laser light to create small burns on the retina. It is performed to help prevent the retina from detaching from the back of the eye. |
11 | $185 | $1,650 |
| Visual evoked potential test A test that measures how quickly electrical signals travel from the eye to the brain in response to visual stimuli. |
11 | $62 | $200 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
The majority of payments (44%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in ophthalmology and does not inherently indicate bias, but patients may wish to be aware.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Liao is a mixed practice specialist, with above-average Medicare volume (top 3% in CA), with speaking/promotional industry engagement in the top 19% of CA peers, with 19 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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Does Dr. Liao receive payments from pharmaceutical companies?
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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