Dr. Yingna Liu, MD
What this data tells you about Dr. Liu
Dr. Yingna Liu is an uveitis and ocular inflammatory disease physician in Tracy, CA, with 9 years of NPI registration. Based on federal Medicare data, Dr. Liu performed 4,676 Medicare services across 947 unique beneficiaries.
Between the years covered by Open Payments, Dr. Liu received a total of $16,138 from 10 pharmaceutical and/or device companies across 57 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in uveitis and ocular inflammatory disease (ophthalmology) physician. 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. Liu 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. |
3,480 | $29 | $55 |
| Retinal imaging (OCT scan) This procedure involves imaging the retina to visualize its structure. It is used to examine the back of the eye. |
325 | $38 | $126 |
| Aflibercept eye injection (Eylea) | 232 | $682 | $1,374 |
| Eye injection for retinal disease A procedure involving the administration of medication directly into the eye. |
163 | $118 | $600 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
80 | $117 | $382 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
74 | $84 | $271 |
| Comprehensive eye exam, new patient A comprehensive examination of the visual system performed for a new patient. |
73 | $143 | $465 |
| Retinal photography (fundus photo) This procedure involves taking photographs of the retina, the light-sensitive tissue at the back of the eye. It is used to document the condition of the eye's interior structures. |
56 | $36 | $117 |
| Comprehensive eye exam, established patient A comprehensive examination of the visual system performed for a patient who has previously been seen by the provider. |
55 | $119 | $394 |
| 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. |
29 | $144 | $491 |
| 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. |
23 | $288 | $1,307 |
| 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. |
22 | $140 | $427 |
| 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. |
20 | $125 | $667 |
| 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. |
20 | $279 | $1,232 |
| 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. |
13 | $184 | $1,017 |
| 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. |
11 | $88 | $281 |
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 (2021-2024) ›
Associated products mentioned in payments ›
The majority of payments (86%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in uveitis and ocular inflammatory disease (ophthalmology) physician and does not inherently indicate bias, but patients may wish to be aware.
Geographic Context
6.3 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. Liu is a mixed practice specialist, with moderate Medicare volume, with speaking/promotional industry engagement.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Dr. Liu experienced with eye injection (vabysmo/faricimab)?
Does Dr. Liu receive payments from pharmaceutical companies?
How do Dr. Liu's costs compare to other uveitis and ocular inflammatory disease physicians in Tracy?
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Is this data up to date?
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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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