Dr. Louise Ying Pw Sun, MD

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

Dr. Sun's NPI, 1649987892, was assigned on October 27, 2022. Dr. Sun graduated from Michael G. DeGroote School of Medicine in 2008. Dr. Sun holds California license C182924.

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

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sun practices, 2 sites in all. Vendor and product names are available with a free account.

Anesthesiology is Dr. Sun's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Sun is board certified in diplomate, advanced perioperative transesophageal echocardiography by the National Board of Echocardiography. Dr. Sun is licensed in California.

CMS data shows 15 Medicare services from Dr. Sun across 1 procedure code in 2024, for 29 Medicare patients. Medicare paid $562 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 29 Medicare patients who saw Dr. Sun in 2024. The largest group is 75 to 84, with 13 patients. 75% of them have heart failure, and 75% have high blood pressure. Their average risk score is 1.61, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Sun's median patient age at 62, with 45% women.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Sun for performance year 2024, reported as part of a group. Dr. Sun accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 119 papers to Dr. Sun, published from 2011 to 2025. 2022 was the busiest year, with 17. The most frequent topics are Ontario, Cardiac Surgical Procedures and Coronary Artery Bypass. Dr. Sun has published most often in Can J Anaesth. Dr. Sun's most frequent co-authors are Thais De Azeredo Coutinho, MD, Lisa Marie Mielniczuk, MD and Michael Farkouh, MD.

CMS Open Payments shows 20 general payments to Dr. Sun from 5 drug and device companies from 2023 to 2025. Honoraria make up the largest share, 43% of the total. Octapharma USA, Inc. paid the most, $3,281.

Dr. Sun graduated from Michael G. DeGroote School of Medicine in 2008.

Dr. Sun is in network with 2 carriers, including CMS Medicare and NV State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.