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Onaga

  • Medical Staff

  • Thomas E. Walsh, MD

    Thomas E. Walsh, MD

    Medical Staff

    Locations: Centralia, Corning, Onaga

    Position: Physician

    Medical Services: Diabetic Care, Emergency Department, Men's Health, Women's Health, Youth Services, Family Medicine

    See My Bio
  • Marcus Weiser, DO

    Marcus Weiser, DO

    Medical Staff

    Location: Onaga

    Position: Physician

    Medical Services: Medical & Surgical Care, Diabetic Care, Youth Services, Men's Health, Women's Health, Senior Care, Emergency Department, Birth Center, Family Medicine

    See My Bio
  • Nancy J. Zidek, MD

    Nancy J. Zidek, MD

    Medical Staff

    Locations: Frankfort, Onaga, Holton

    Position: Physician

    Medical Services: Diabetic Care, Men's Health, Senior Care, Women's Health, Youth Services, Emergency Department, Birth Center, Family Medicine

    See My Bio
  • Rebecca Simon, MD

    Rebecca Simon, MD

    Medical Staff

    Location: Onaga

    Position: Physician

    Medical Service: Emergency Department

  • John Meriwether, MD

    John Meriwether, MD

    Medical Staff

    Location: Onaga

    Position: Physician

    Medical Service: Emergency Department

    See My Bio
  • David Cancelada, MD

    David Cancelada, MD

    Medical Staff

    Locations: Onaga, Holton, St. Marys

    Position: Surgery

    Medical Services: Medical & Surgical Care, Specialty Clinics

    See My Bio
  • Bonnie McKinsey, APRN-C

    Bonnie McKinsey, APRN-C

    Medical Staff

    Location: Onaga

    Position: Advanced Practitioner

    Medical Service: Emergency Department

    See My Bio
  • Nancy Bosse, APRN‐C

    Nancy Bosse, APRN‐C

    Medical Staff

    Locations: Onaga, Westmoreland

    Position: Advanced Practitioner

    Medical Services: Diabetic Care, Youth Services, Men's Health, Women's Health, Senior Care, Emergency Department, Family Medicine

    See My Bio
  • Debra Rezac, APRN‐C

    Debra Rezac, APRN‐C

    Medical Staff

    Location: Onaga

    Position: Advanced Practitioner

    Medical Services: Diabetic Care, Men's Health, Senior Care, Women's Health, Youth Services, Emergency Department, Family Medicine

    See My Bio
  • Andrew Barnes, APRN‐C

    Andrew Barnes, APRN‐C

    Medical Staff

    Locations: Centralia, Onaga

    Position: Advanced Practitioner

    Medical Services: Diabetic Care, Men's Health, Women's Health, Youth Services, Senior Care, Emergency Department, Family Medicine

    See My Bio
  • Kay Cummins, APRN‐C

    Kay Cummins, APRN‐C

    Medical Staff

    Locations: Frankfort, Centralia, Corning, Onaga, Holton, Westmoreland, St. Marys

    Position: Advanced Practitioner

    Medical Services: Emergency Department, Family Medicine

  • Michele Reisinger, DNP, APRN, FNP-BC

    Michele Reisinger, DNP, APRN, FNP-BC

    Medical Staff

    Locations: Corning, Onaga

    Position: Advanced Practitioner

    Medical Services: Diabetic Care, Men's Health, Women's Health, Wound Care, Youth Services, Senior Care, Emergency Department, Family Medicine

    See My Bio
  • Sheila Talley, PA‐C

    Sheila Talley, PA‐C

    Medical Staff

    Location: Onaga

    Position: Advanced Practitioner

    Medical Service: Emergency Department

    See My Bio
  • Marcy Evans, PA‐C

    Marcy Evans, PA‐C

    Medical Staff

    Location: Onaga

    Position: Advanced Practitioner

    Medical Service: Emergency Department

  • Tiffany Engelken, APRN‐C

    Tiffany Engelken, APRN‐C

    Medical Staff

    Location: Onaga

    Position: Specialty Clinic Provider

    Medical Service: Specialty Clinics

    See My Bio
  • Kenneth Hobbs, DPM

    Kenneth Hobbs, DPM

    Medical Staff

    Locations: Holton, Onaga

    Position: Specialty Clinic Provider

    Medical Services: Podiatry, Specialty Clinics

    See My Bio
  • Timothy Gateley, DPM

    Timothy Gateley, DPM

    Medical Staff

    Location: Onaga

    Position: Specialty Clinic Provider

    Medical Services: Podiatry, Medical & Surgical Care, Specialty Clinics

    See My Bio
  • John Devine, MD

    John Devine, MD

    Medical Staff

    Location: Onaga

    Position: Specialty Clinic Provider

    Medical Services: Medical & Surgical Care, Specialty Clinics

    See My Bio
  • Tyler Grindal, MD

    Tyler Grindal, MD

    Medical Staff

    Locations: Onaga, St. Marys

    Position: Specialty Clinic Provider

    Medical Services: Ear, Nose & Throat, Medical & Surgical Care, Specialty Clinics

    See My Bio
  • Chen Chow, MD

    Chen Chow, MD

    Medical Staff

    Location: Onaga

    Position: Specialty Clinic Provider

    Medical Services: Specialty Clinics, Cardiac Care

    See My Bio
  • John Joliff, MD

    John Joliff, MD

    Medical Staff

    Location: Onaga

    Position: Specialty Clinic Provider

    Medical Services: Specialty Clinics, Cardiac Care

    See My Bio
  • Alfredo Iloreta, MD

    Alfredo Iloreta, MD

    Medical Staff

    Location: Onaga

    Position: Specialty Clinic Provider

    Medical Service: Medical & Surgical Care

    See My Bio
  • Heidi Smith, DO

    Heidi Smith, DO

    Medical Staff

    Location: Onaga

    Position: Specialty Clinic Provider

    Medical Service: Specialty Clinics

    See My Bio
  • Regina Gronewoller, LSCSW

    Regina Gronewoller, LSCSW

    Medical Staff

    Locations: Onaga, St. Marys

    Position: Counseling

    Medical Services: Mental Health Services, Youth Services

    See My Bio
  • Rebecca Kramer, CRNA

    Rebecca Kramer, CRNA

    Medical Staff

    Locations: Onaga, Holton, St. Marys

    Position: Anesthesia

    Medical Service: Medical & Surgical Care

    See My Bio
  • Scott McCormick, CRNA

    Scott McCormick, CRNA

    Medical Staff

    Locations: Onaga, Holton, St. Marys

    Position: Anesthesia

    Medical Service: Medical & Surgical Care

    See My Bio
  • Sam Jeffers, CRNA

    Sam Jeffers, CRNA

    Medical Staff

    Locations: Onaga, Holton, St. Marys

    Position: Anesthesia

    Medical Service: Medical & Surgical Care

  • Merica Surdez, APRN‐C

    Merica Surdez, APRN‐C

    Executive Team, Medical Staff

    Location: Onaga

    Position: Chief of Provider and Clinic Operations

    Medical Services: Diabetic Care, Men's Health, Senior Care, Women's Health, Youth Services, Emergency Department, Family Medicine

    See My Bio
  • Executive Team

  • Todd Willert

    Todd Willert

    Executive Team

    Location: Onaga

    Position: Chief Executive Officer

  • Lorraine Meyer

    Lorraine Meyer

    Executive Team

    Location: Onaga

    Position: Chief Operating Officer

  • Monica Holthaus

    Monica Holthaus

    Executive Team

    Location: Onaga

    Position: Chief Financial Officer

  • Merica Surdez, APRN‐C

    Merica Surdez, APRN‐C

    Executive Team, Medical Staff

    Location: Onaga

    Position: Chief of Provider and Clinic Operations

    Medical Services: Diabetic Care, Men's Health, Senior Care, Women's Health, Youth Services, Emergency Department, Family Medicine

    See My Bio
  • Mindy Olberding

    Mindy Olberding

    Executive Team

    Location: Onaga

    Position: Chief Nursing Officer

  • Board of Directors/Officers

  • Justin Boswell

    Justin Boswell

    Board of Directors/Officers

    Location: Onaga

    Positions: Board Member, Chairman

  • Karen Harder

    Karen Harder

    Board of Directors/Officers

    Location: Onaga

    Positions: Board Member, Vice Chairman

  • Tim Kite

    Tim Kite

    Board of Directors/Officers

    Location: Onaga

    Positions: Board Member, Secretary

  • Melissa Wegner

    Melissa Wegner

    Board of Directors/Officers

    Location: Onaga

    Positions: Board Member, Treasurer

  • Tracy Ahlquist

    Tracy Ahlquist

    Board of Directors/Officers

    Location: Onaga

    Position: Board Member

  • Alan Fischer

    Alan Fischer

    Board of Directors/Officers

    Location: Onaga

    Position: Board Member

  • Robert Ladner

    Robert Ladner

    Board of Directors/Officers

    Location: Onaga

    Position: Board Member

  • Directors and Key Personnel

  • Andrea Lutz

    Andrea Lutz

    Directors and Key Personnel

    Location: Onaga

    Position: Ancillary Services

  • Lura Flentie

    Lura Flentie

    Directors and Key Personnel

    Locations: Centralia, Onaga, St. Marys

    Position: Long-Term Care Services

  • Cindy Flentie

    Cindy Flentie

    Directors and Key Personnel

    Location: Onaga

    Position: Human Resources

  • Dominic Freeman

    Dominic Freeman

    Directors and Key Personnel

    Location: Onaga

    Position: Information Technology

  • Sarah Hancock

    Sarah Hancock

    Directors and Key Personnel

    Location: Onaga

    Position: Communications

    Phone: (785) 889-5133