Dr. Seiji Yamaguchi, MD

Dr. Yamaguchi practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.

Dr. Yamaguchi's NPI, 1932543030, was assigned on April 20, 2013. Dr. Yamaguchi graduated from Georgetown University School Of Medicine in 2013. Dr. Yamaguchi's California license number on file is A154172.

Dr. Yamaguchi's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights, at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143 in San Francisco County. The practice phone is (415) 353-2733.

Dr. Yamaguchi's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dr. Yamaguchi is also affiliated with California Pacific Medical Center Van Ness Campus. The medical group on file is UCSF Pediatrics. Dmand AI also links Dr. Yamaguchi to 4 more medical groups, each named with a free account.

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

Surgery is Dr. Yamaguchi's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Yamaguchi is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Yamaguchi's licenses on file in 3 states: California, Texas and Pennsylvania.

Dmand AI lists kidney transplant among the conditions Dr. Yamaguchi treats.

CMS data shows 49 Medicare services from Dr. Yamaguchi across 4 procedure codes in 2024, for 79 Medicare patients. Medicare paid $27,684 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 79 Medicare patients who saw Dr. Yamaguchi in 2024. The largest group is 65 to 74, with 44 patients. 75% of them have high blood pressure, and 68% have high cholesterol. 51% are also on Medicaid. Their average risk score is 4.35, 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. Yamaguchi's median patient age at 60, with 45% women.

In 2024, Dr. Yamaguchi wrote 139 Medicare Part D claims for 30 patients. 80% of them were for generic drugs. CMS names the drug for 46 of them, across 3 drugs with 11 or more claims each, at $1,866 in total drug cost. In 2023, CMS named 39 claims across 3 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Yamaguchi for performance year 2024, reported as part of a group. Dr. Yamaguchi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Yamaguchi as offering telehealth.

Dmand AI links 244 papers to Dr. Yamaguchi, published from 2010 to 2025. 2020 was the busiest year, with 21. The most frequent topics are Titanium, Surface Properties and Carnitine. Dr. Yamaguchi has published most often in Hinyokika Kiyo. Dr. Yamaguchi's most frequent co-authors are Hillary Braun, MD, Zachary C. Dietch and Sandy Feng, MD.

CMS Open Payments shows 5 general payments to Dr. Yamaguchi from 4 drug and device companies from 2018 to 2024. Travel and lodging make up the largest share, 85% of the total. TransMedics, Inc. paid the most, $1,279.

Dr. Yamaguchi graduated from Georgetown University School Of Medicine in 2013.

Dr. Yamaguchi is in network with 9 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Cigna. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.