Providers
19
Locations
1
Specialties
7
Insurance Plans
13
About St Michael's Hospital, Inc.
Background and practice information
St Michael's Hospital, INC. is a mid-sized group medical practice based in Tyndall, SD, with 19 affiliated healthcare providers.
The practice brings together providers across multiple specialties, including physician assistant, infectious disease, nurse practitioner, and family practice. Its providers are in-network with 13 insurance plans, though coverage varies by individual provider and should be confirmed before scheduling.
Across its providers, the practice has a strong average Merit-based Incentive Payment System (MIPS) score of 92.6 out of 100, a quality measure published by the Centers for Medicare & Medicaid Services.
Practice Locations
1 location
St Michael's Hospital, Inc.Primary
410 W 16TH AVE, Tyndall, SD 570662318
(605) 589-2158
Affiliations
Hospitals where providers at St Michael's Hospital, Inc. hold admitting privileges
Insurance Networks
Accepted insurance plans and networks
St Michael's Hospital, Inc. accepts 49 plans from 7 insurers, including Cigna, UnitedHealthcare, Aetna.
Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.
Quality & Performance
Specialties at St Michael's Hospital, Inc.
Provider specialties represented at this practice
Healthcare Providers
19 providers practice here
Drew Messerschmidt, MD
Cardiovascular Disease (cardiology)
Tyndall, SD
Karl Demarco, MD
Family Practice
Tyndall, SD
Melvin Wallinga, MD
Family Practice
Tyndall, SD
Xavier Andrade-gonzalez, MD
Hematology/oncology · Telehealth
Tyndall, SD
Mark Anthony Diaz, MD
Infectious Disease · Telehealth
Tyndall, SD
Jennifer Hsu, MD
Infectious Disease · Telehealth
Tyndall, SD
Dayana Maita Coronel, MD
Infectious Disease · Telehealth
Tyndall, SD
Jose Suarez Isaacs, MD
Infectious Disease · Telehealth
Tyndall, SD
Robert Kessler, MD
Internal Medicine · Telehealth
Tyndall, SD
Fares Masannat, MD
Internal Medicine · Telehealth
Tyndall, SD
Lisa Doom-anderson, NP
Nurse Practitioner
Tyndall, SD
Janelle Kriz, NP
Nurse Practitioner
Tyndall, SD
Ashley Runyon
Nurse Practitioner
Tyndall, SD
Amber Authier, PA
Physician Assistant · Telehealth
Tyndall, SD
Ellen Farrell, PA
Physician Assistant · Telehealth
Tyndall, SD
Shane Merchant, PA
Physician Assistant
Tyndall, SD
Angela Schnetzer, PA
Physician Assistant
Tyndall, SD
Scott Ulmer, PA
Physician Assistant
Tyndall, SD
Kimberly Velk
Physician Assistant
Tyndall, SD
Frequently Asked Questions
Common questions about St Michael's Hospital, Inc.
How many providers are at St Michael's Hospital, INC.?
St Michael's Hospital, INC. has 19 affiliated healthcare providers. You can browse the full provider roster, with specialties and locations, on this page.
What specialties does St Michael's Hospital, INC. offer?
The practice includes providers in physician assistant, infectious disease, nurse practitioner, and family practice, among others. Use the specialty filter on the provider list to find a specific type of provider.
What insurance does St Michael's Hospital, INC. accept?
Providers at St Michael's Hospital, INC. are collectively in-network with 13 insurance plans. Acceptance varies by individual provider, so confirm your specific plan with the office before your visit.
Does St Michael's Hospital, INC. have a quality rating?
The practice's providers have an average MIPS quality score of 92.6 out of 100, based on Centers for Medicare & Medicaid Services data. MIPS measures performance across quality, cost, care coordination, and use of health technology.
Where is St Michael's Hospital, INC. located?
St Michael's Hospital, INC.'s primary location is in Tyndall, SD. See the contact section for the full address and phone number.
Other Group Practices Nearby
Explore more group practices in SD
Avera Mckennan
1050 providers · Sioux Falls, SD
Sanford Medical Center
855 providers · Sioux Falls, SD
Monument Health Rapid City Hospital Inc
586 providers · Rapid City, SD
Sanford Health Network
388 providers · Clear Lake, SD
Sanford Clinic
284 providers · Sioux Falls, SD
Avera St Lukes
178 providers · Aberdeen, SD
Group Practices in Nearby Cities
Browse group practices elsewhere in SD