Ilaria Oliver Mastroserio, PA-C

Ilaria Mastroserio practices at Concord Medical Center in Concord, California, part of John Muir Health.

Ilaria Mastroserio's NPI, 1376197590, was assigned on July 25, 2019.

Ilaria Mastroserio's primary practice is Concord Medical Center, at 2540 East St, Concord, CA 94520 in Contra Costa County. The practice phone is (925) 682-8200.

Ilaria Mastroserio's primary practice is Concord Medical Center in Concord, California, part of John Muir Health. Ilaria Mastroserio is also affiliated with John Muir Medical Center, Walnut Creek. The medical group on file is John Muir Medical Group. Dmand AI also links Ilaria Mastroserio to 3 more medical groups 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 Ilaria Mastroserio practices, 3 sites in all. Vendor and product names are available with a free account.

Physician assistant is Ilaria Mastroserio's primary specialty in the NPI Registry, under taxonomy code 363A00000X.

CMS data shows 381 Medicare services from Ilaria Mastroserio across 6 procedure codes in 2024, for 203 Medicare patients. Medicare paid $36,030 for them.

CMS counts 203 Medicare patients who saw Ilaria Mastroserio in 2024. The largest group is 75 to 84, with 89 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 2.39, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Ilaria Mastroserio's median patient age at 67, with 65% women.

In 2024, Ilaria Mastroserio wrote 309 Medicare Part D claims for 131 patients. 83% of them were for generic drugs. CMS names the drug for 127 of them, across 8 drugs with 11 or more claims each, at $547,815 in total drug cost.

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

CMS Open Payments shows 53 general payments to Ilaria Mastroserio from 22 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $200.