Dr. Yingna Liu, MD

Dr. Liu practices at Walnut Creek Endoscopy Center in Walnut Creek, California.

Dr. Liu's NPI, 1932631462, was assigned on April 3, 2017. Dr. Liu graduated from Harvard Medical School in 2016. Dr. Liu holds California license A157345.

Dr. Liu's primary practice is Walnut Creek Endoscopy Center, at 365 Lennon Lane, Suite 100, Walnut Creek, CA 94598. The practice phone is (925) 939-4600.

Dr. Liu's primary practice is Walnut Creek Endoscopy Center in Walnut Creek, California. Dr. Liu is also affiliated with Alta Bates Summit Medical Center | Alta Bates Campus. The medical group on file is Alameda Health System. Dmand AI also links Dr. Liu to 1 more hospital, 1 dialysis center, 1 group practice or clinic and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Liu practices, 5 sites in all. Vendor and product names are available with a free account.

Retina specialist is Dr. Liu's primary specialty in the NPI Registry, under taxonomy code 207WX0107X. Dr. Liu is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Liu's licenses on file in 3 states: California, New Jersey and Massachusetts.

Dmand AI lists age-related macular degeneration, hypertensive retinopathy, laser destruction of retinal or choroid lesions, retinal occlusion, surgical retina and vitreous procedures, vision problems and vitreous eye degeneration among the conditions Dr. Liu treats.

CMS data shows 18,571 Medicare services from Dr. Liu across 15 procedure codes in 2024, for 527 Medicare patients. Medicare paid $929,369 for them. Every service was in an office.

CMS counts 527 Medicare patients who saw Dr. Liu in 2024. The largest group is 65 to 74, with 193 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 1.43, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Liu's median patient age at 70, with 54% women.

In 2024, Dr. Liu wrote 243 Medicare Part D claims for 74 patients. 59% of them were for generic drugs. CMS names the drug for 183 of them, across 5 drugs with 11 or more claims each, at $8,194 in total drug cost. In 2023, CMS named 80 claims across 4 drugs.

Dr. Liu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 30 papers to Dr. Liu, published from 2011 to 2024. 2020 was the busiest year, with 5. The most frequent topics are Tomography, Optical Coherence, Intraocular Pressure and Predictive Value of Tests. Dr. Liu has published most often in PLoS One. Dr. Liu's most frequent co-authors are Jeremy David Keenan, MD, Teresa C. Chen, MD and Ying Han, MD.

CMS Open Payments shows 97 general payments to Dr. Liu from 13 drug and device companies from 2021 to 2025. Speaker and faculty fees make up the largest share, 42% of the total. Genentech, Inc. paid the most, $14,639.

Dr. Liu graduated from Harvard Medical School in 2016.

Dr. Liu is in network with 12 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.