Dr. Trixie Lorraine Cruz Pei, MD

Dr. Pei practices at U.S. Renal Care Napa Dialysis in Petaluma, California.

Dr. Pei's NPI, 1538664669, was assigned on March 29, 2018. Dr. Pei graduated from University of the East College of Medicine in 2013. Dr. Pei holds California license A184644.

Dr. Pei's primary practice is U.S. Renal Care Napa Dialysis, at 2100 S McDowell Blvd, Petaluma, CA 94954 in Sonoma County. The practice phone is (707) 501-5301.

Dr. Pei's primary practice is U.S. Renal Care Napa Dialysis in Petaluma, California. Dr. Pei is also affiliated with Adventist Health Clear Lake. The medical group on file is Associated Kidney Specialists of the North Bay. Dmand AI also links Dr. Pei to 4 more hospitals, 1 dialysis center and 1 group practice or clinic, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Pei practices, 7 sites in all. Vendor and product names are available with a free account.

Nephrology is Dr. Pei's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Pei is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Pei's licenses on file in 3 states: California, Massachusetts and Michigan.

Dmand AI lists chronic kidney disease among the conditions Dr. Pei treats.

CMS data shows 1,450 Medicare services from Dr. Pei across 9 procedure codes in 2024, for 460 Medicare patients. Medicare paid $173,822 for them.

CMS counts 460 Medicare patients who saw Dr. Pei in 2024. The largest group is 75 to 84, with 171 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 46% are also on Medicaid. Their average risk score is 3.22, 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. Pei's median patient age at 73, with 44% women.

In 2024, Dr. Pei wrote 814 Medicare Part D claims for 189 patients. 76% of them were for generic drugs. CMS names the drug for 662 of them, across 22 drugs with 11 or more claims each, at $205,227 in total drug cost. In 2023, CMS named 96 claims across 5 drugs.

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

CMS Open Payments shows 42 general payments to Dr. Pei from 13 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 99% of the total. Amgen Inc. paid the most, $332.

Dr. Pei graduated from University of the East College of Medicine in 2013.

Dr. Pei is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.