Dr. Maria Clarissa Ong Tio, MD

Dr. Tio practices at University of Mississippi Medical Center in Jackson, Mississippi, part of Mississippi Institutions of Higher Learning.

Dr. Tio's NPI, 1508253188, was assigned on April 21, 2015. Dr. Tio holds Mississippi license 28495.

Dr. Tio's primary practice is University of Mississippi Medical Center, at 2500 N State St, Jackson, MS 39216 in Hinds County. The practice phone is (601) 984-4100.

Dr. Tio's primary practice is University of Mississippi Medical Center in Jackson, Mississippi, part of Mississippi Institutions of Higher Learning. Dr. Tio is also affiliated with UMMC Madison. The medical group on file is University of Mississippi Medical Center. Dmand AI also links Dr. Tio to 1 more behavioral health center and 1 dialysis center, each named with a free account. Dr. Tio's employer is on file too: a hospital.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tio practices, 4 sites in all. Vendor and product names are available with a free account.

Internal medicine is Dr. Tio's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Tio is licensed in Mississippi.

CMS data shows 889 Medicare services from Dr. Tio across 10 procedure codes in 2024, for 235 Medicare patients. Medicare paid $62,782 for them.

CMS counts 235 Medicare patients who saw Dr. Tio in 2024. The largest group is 65 to 74, with 93 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 45% are also on Medicaid. Their average risk score is 4.94, 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. Tio's median patient age at 61, with 54% women.

In 2024, Dr. Tio wrote 503 Medicare Part D claims for 131 patients. 82% of them were for generic drugs. CMS names the drug for 394 of them, across 16 drugs with 11 or more claims each, at $54,703 in total drug cost. In 2023, CMS named 109 claims across 7 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Tio for performance year 2024, reported as part of a group. Dr. Tio accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

CMS Open Payments shows 18 general payments to Dr. Tio from 9 drug and device companies from 2021 to 2025. Consulting fees make up the largest share, 82% of the total. Novo Nordisk Inc paid the most, $5,628.