Dr. Marcus R. Sepnafski, MD

Dr. Sepnafski practices at Marshfield Medical Center - Weston in Weston, Wisconsin, part of Sanford Health.

Dr. Sepnafski's NPI, 1356906754, was assigned on May 1, 2019. Dr. Sepnafski holds Wisconsin license 76812.

Dr. Sepnafski's primary practice is Marshfield Medical Center - Weston, at 3400 Ministry Parkway, Weston, WI 54476 in Marathon County. The practice phone is (715) 393-3000.

Dr. Sepnafski's primary practice is Marshfield Medical Center - Weston in Weston, Wisconsin, part of Sanford Health. Dr. Sepnafski is also affiliated with Marshfield Medical Center - Marshfield. The medical group on file is Marshfield Clinic Health System. Dmand AI also links Dr. Sepnafski to 1 more hospital and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sepnafski practices, 3 sites in all. Vendor and product names are available with a free account.

Hospitalist is Dr. Sepnafski's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Sepnafski is licensed in Wisconsin.

CMS data shows 449 Medicare services from Dr. Sepnafski across 6 procedure codes in 2024, for 154 Medicare patients. Medicare paid $33,948 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 154 Medicare patients who saw Dr. Sepnafski in 2024. The largest group is 75 to 84, with 55 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 30% are also on Medicaid. Their average risk score is 2.32, 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. Sepnafski's median patient age at 76, with 50% women.

In 2024, Dr. Sepnafski wrote 377 Medicare Part D claims for 101 patients. 88% of them were for generic drugs. CMS names the drug for 217 of them, across 13 drugs with 11 or more claims each, at $11,884 in total drug cost. In 2023, CMS named 282 claims across 17 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Sepnafski for performance year 2024, reported as part of a group. Dr. Sepnafski accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

CMS Open Payments shows 1 general payment to Dr. Sepnafski from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Abiomed paid the most, $58.