Dr. Tobias Alecio Mattei, MD

Dr. Mattei practices at SSM Health St. Mary's Hospital - St. Louis in Saint Louis, Missouri, part of SSM Health Care.

Dr. Mattei's NPI, 1386927192, was assigned on September 28, 2011. Dr. Mattei holds Missouri license 2018009352.

Dr. Mattei's primary practice is SSM Health St. Mary's Hospital - St. Louis, at 6420 Clayton Rd, Saint Louis, MO 63117 in St. Louis County. The practice phone is (314) 768-8000.

Dr. Mattei's primary practice is SSM Health St. Mary's Hospital - St. Louis in Saint Louis, Missouri, part of SSM Health Care. Dr. Mattei is also affiliated with Mercy Hospital St. Louis. The medical group on file is SLUCare Physician Group. Dmand AI also links Dr. Mattei to 4 more hospitals, 3 group practices and clinics and 2 medical groups, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mattei practices, 9 sites in all. Vendor and product names are available with a free account.

Neurological surgery is Dr. Mattei's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dmand AI has Dr. Mattei's licenses on file in 2 states: Missouri and Illinois.

CMS data shows 119 Medicare services from Dr. Mattei across 6 procedure codes in 2024, for 79 Medicare patients. Medicare paid $24,538 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 79 Medicare patients who saw Dr. Mattei in 2024. The largest group is 65 to 74, with 30 patients. 75% of them have arthritis, and 75% have high blood pressure. 25% are also on Medicaid. Their average risk score is 1.88, 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. Mattei's median patient age at 66, with 51% women.

In 2024, Dr. Mattei wrote 52 Medicare Part D claims for 34 patients. 100% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $130 in total drug cost. In 2023, CMS named 27 claims across 1 drug.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Mattei for performance year 2024, reported as part of a group. Dr. Mattei accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 89 procedures of spinal fusion by Dr. Mattei, more than 70% of the clinicians it reports for that procedure.

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 95 papers to Dr. Mattei, published from 2010 to 2025. 2022 was the busiest year, with 7. The most frequent topics are Neurosurgical Procedures, Spine and Lumbar Vertebrae. Dr. Mattei has published most often in World Neurosurg. Dr. Mattei's most frequent co-authors are Philippe Joseph Arthur Mercier, MD, PhD, Justin K. Zhang, MD and Azeem Abdul Rehman, MD.

CMS Open Payments shows 43 general payments to Dr. Mattei from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 81% of the total. Abbott Laboratories paid the most, $618.