Dr. Sam Reed Shimamoto, MD

Dr. Shimamoto practices at San Tan Allergy and Asthma in Gilbert, Arizona.

Dr. Shimamoto's NPI, 1073587382, was assigned on February 14, 2006. Dr. Shimamoto graduated from University of Colorado School of Medicine, Denver in 1997. Dr. Shimamoto holds Arizona license 29558.

Dr. Shimamoto's primary practice is San Tan Allergy and Asthma, at 4915 E Baseline Rd, Gilbert, AZ 85234 in Maricopa County. The practice phone is (480) 626-6600.

Dr. Shimamoto's primary practice is San Tan Allergy and Asthma in Gilbert, Arizona. The medical group on file is San Tan Allergy & Asthma. Dmand AI also links Dr. Shimamoto to 1 more group practice or clinic, named with a free account.

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

Allergy and immunology is Dr. Shimamoto's primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dr. Shimamoto is board certified in pediatrics by the American Board of Pediatrics. Dr. Shimamoto is licensed in Arizona.

CMS data shows 31,662 Medicare services from Dr. Shimamoto across 13 procedure codes in 2024, for 441 Medicare patients. Medicare paid $791,460 for them. Every service was in an office.

CMS counts 441 Medicare patients who saw Dr. Shimamoto in 2024. The largest group is 65 to 74, with 240 patients. 75% of them have high cholesterol, and 64% have high blood pressure. 5% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Shimamoto's median patient age at 41, with 61% women.

In 2024, Dr. Shimamoto wrote 2,376 Medicare Part D claims for 511 patients. 69% of them were for generic drugs. CMS names the drug for 2,145 of them, across 43 drugs with 11 or more claims each, at $1,404,519 in total drug cost. In 2023, CMS named 2,155 claims across 38 drugs.

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

CMS Open Payments shows 399 general payments to Dr. Shimamoto from 39 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 78% of the total. Genentech, Inc. paid the most, $59,912.

Dr. Shimamoto graduated from University of Colorado School of Medicine, Denver in 1997.