Mariko Shimizu

Mariko Shimizu practices at CHA Cambridge Hospital in Cambridge, Massachusetts, part of Cambridge Health Alliance.

Mariko Shimizu's NPI, 1750813861, was assigned on March 28, 2017. Mariko Shimizu graduated from University of Hawaii John A. Burns School of Medicine in 2017. Mariko Shimizu holds Massachusetts license 286594.

Mariko Shimizu's primary practice is CHA Cambridge Hospital, at 1493 Cambridge Street, Cambridge, MA 02139 in Middlesex County. The practice phone is (617) 665-1000.

Mariko Shimizu's primary practice is CHA Cambridge Hospital in Cambridge, Massachusetts, part of Cambridge Health Alliance. The medical group on file is Cambridge Health Alliance. Mariko Shimizu's employer is on file too: a hospital.

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

Psychiatry is Mariko Shimizu's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dmand AI has Mariko Shimizu's licenses on file in 2 states: Massachusetts and Hawaii.

CMS data shows 249 Medicare services from Mariko Shimizu across 3 procedure codes in 2024, for 84 Medicare patients. Medicare paid $17,224 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 84 Medicare patients who saw Mariko Shimizu in 2024. The largest group is 65 to 74, with 40 patients. 75% of them have high blood pressure, and 74% have mood disorders. 65% are also on Medicaid. Their average risk score is 2.04, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Mariko Shimizu's median patient age at 75, with 68% women.

In 2024, Mariko Shimizu wrote 399 Medicare Part D claims for 67 patients. 96% of them were for generic drugs. CMS names the drug for 330 of them, across 14 drugs with 11 or more claims each, at $2,515 in total drug cost. In 2023, CMS named 14 claims across 1 drug.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Mariko Shimizu for performance year 2024, reported as part of a group. Mariko Shimizu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Mariko Shimizu as offering telehealth.

Dmand AI links 2 papers to Mariko Shimizu in 2025. Mariko Shimizu's most frequent co-author is Leah Grodin Richler, MD.

CMS Open Payments shows 1 general payment to Mariko Shimizu from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $50.

Mariko Shimizu graduated from University of Hawaii John A. Burns School of Medicine in 2017.