Clinicians affiliated with St Michael's Hospital, Inc.
17 clinicians on file with this group · most practice in Sioux Falls, SD-MN · PAC ID 2668380262
15 clinicians affiliated with St Michael's Hospital, Inc. are in the 2024 Medicare Part B data, 7 of them physicians. Data years with affiliated clinicians: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024.
Each clinician's exact figures are in their Physician Report, from their page; a specialty's figures in this market are in a Market Comparison. View sample report · Already purchased? Open your report
Affiliated clinicians by specialty, 2024
All specialties · Physician Assistant (6) · Infectious Disease (5) · Nurse Practitioner (2) · Cardiology (1) · Family Practice (1)
Specialty links go to the specialty in Sioux Falls, SD-MN.
Clinicians affiliated with St Michael's Hospital, Inc., 2024
Alphabetical by last name; 15.
| Name | Specialty | City |
|---|---|---|
| Amber L Authier, PA-C | Physician Assistant | Yankton, SD |
| Karl S Demarco, MD | Family Practice | Tyndall, SD |
| Mark Anthony A Diaz, MD | Infectious Disease | Jacksonville, FL |
| Lisa C Doom-Anderson, FNP-BC | Nurse Practitioner | Sioux Falls, SD |
| Ellen O Farrell, PA-C | Physician Assistant | Sioux Falls, SD |
| Melissa A Fullner-Marshall, PA | Physician Assistant | Yankton, SD |
| Jennifer L Hsu, M.D. | Infectious Disease | Sioux Falls, SD |
| Robert A Kessler, MD | Infectious Disease | Sioux Falls, SD |
| Janelle K Kriz, CNP | Nurse Practitioner | Tyndall, SD |
| Dayana D Maita Coronel, MD | Infectious Disease | Sioux Falls, SD |
| Fares Y Masannat, MD | Infectious Disease | Sioux Falls, SD |
| Shane Merchant, PA-C | Physician Assistant | Tyndall, SD |
| Drew G Messerschmidt, M.D. | Cardiology | Sioux Falls, SD |
| Angela Schnetzer, PA-C | Physician Assistant | Tyndall, SD |
| Scott R Ulmer, PA-C | Physician Assistant | Tyndall, SD |
Practice locations
Listed practice locations in South Dakota.
Source: CMS Doctors and Clinicians National Downloadable File, snapshot October 2, 2026.
Membership comes from the CMS Doctors and Clinicians file. CMS does not publish an end-of-year archive of it, so the current snapshot is applied to every data year. A clinician affiliated with several groups or hospitals appears on each of their pages. How group pages are built · Limitations