Dr. Theodore Leng, MD

Dr. Leng practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.

Dr. Leng's NPI, 1144438987, was assigned on May 17, 2007. Dr. Leng graduated from Stanford University School Of Medicine in 2005. Dr. Leng holds California license A106892.

Dr. Leng's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.

Dr. Leng's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dr. Leng is also affiliated with Santa Clara Valley Medical Center. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Leng to 1 more hospital and 3 medical groups, each named with a free account. Dr. Leng's employer is on file too: a hospital.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leng practices, 3 sites in all. Vendor and product names are available with a free account.

Retina specialist is Dr. Leng's primary specialty in the NPI Registry, under taxonomy code 207WX0107X. Dr. Leng is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Leng's licenses on file in 6 states: California, New Mexico, Florida, Michigan, Texas and Washington.

Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, conjunctivitis, dry eye, eyelid inflammation, glaucoma and hypertensive retinopathy among the conditions Dr. Leng treats.

CMS data shows 5,795 Medicare services from Dr. Leng across 9 procedure codes in 2024, for 1,168 Medicare patients. Medicare paid $293,324 for them.

CMS counts 1,168 Medicare patients who saw Dr. Leng in 2024. The largest group is 65 to 74, with 462 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 20% are also on Medicaid. Their average risk score is 1.37, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Leng's median patient age at 71, with 55% women.

In 2024, Dr. Leng wrote 155 Medicare Part D claims for 55 patients. 73% of them were for generic drugs. CMS names the drug for 102 of them, across 3 drugs with 11 or more claims each, at $3,061 in total drug cost. In 2023, CMS named 115 claims across 5 drugs.

Dr. Leng accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 11 procedures of cataract surgery by Dr. Leng, more than 32% of the clinicians it reports for that procedure.

Dmand AI links 179 papers to Dr. Leng, published from 2010 to 2025. 2020 was the busiest year, with 11. The most frequent topics are Tomography, Optical Coherence, Visual Acuity and Intravitreal Injections. Dr. Leng has published most often in Ophthalmic Surg Lasers Imaging Retina. Dr. Leng's most frequent co-authors are Daniel Lee Rubin, MD, Darius Mohammad Moshfeghi, MD and Steven Richard Sanislo, MD.

Dmand AI links Dr. Leng to 10 clinical trials, 3 of them phase 1 studies. 3 are still active or recruiting. Conditions studied include Macular Degeneration, Retinal Degeneration and Epiretinal Membrane. Stanford University sponsors the most, 5.

CMS Open Payments shows 220 general payments to Dr. Leng from 24 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 85% of the total. Genentech, Inc. paid the most, $81,274. It also lists 86 research payments totaling $72,389 from 2018 to 2025.

Dmand AI lists 21 awards for Dr. Leng, most recently America’s Top Ophthalmologists in 2014. Dr. Leng serves on American Society of Retina Specialists Fellowship Education and Training Committee, American Academy of Ophthalmology EyeWiki Retina/Vitreous Section Committee and American Society of Retina Specialists Retina Image Bank.

Dr. Leng graduated from Stanford University School Of Medicine in 2005. Dr. Leng is a member of AAO, ACS, ASRS, Association for Research in Vision and Ophthalmology, The Retina Society and Vit-Buckle Society.

Dr. Leng is in network with 10 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.