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Our Team

  • Medical Staff

  • Melissa Goulart, DO

    Melissa Goulart, DO

    Medical Staff

    Location: St. Marys

    Position: Physician

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

  • Marcus Weiser, DO

    Marcus Weiser, DO

    Medical Staff

    Location: Onaga

    Position: Physician

    Medical Services: Childbirth, Diabetic Care, Emergency Department, Family Practice, Medical & Surgical Care, Men's Health, Women's Health, Youth Services

    See My Bio
  • David Allen, MD

    David Allen, MD

    Medical Staff

    Location: Holton

    Position: Physician

    Medical Services: Youth Services, Women's Health, Men's Health, Childbirth, Diabetic Care, Emergency Department, Medical & Surgical Care, Family Practice

    See My Bio
  • C. Bruce Carroll, MD

    C. Bruce Carroll, MD

    Medical Staff

    Location: St. Marys

    Position: Physician

    Medical Services: Diabetic Care, Family Practice, Medical & Surgical Care, Men's Health, Women's Health, Youth Services

    See My Bio
  • John Kelley, MD

    John Kelley, MD

    Medical Staff

    Location: Onaga

    Position: Physician

    Medical Service: Emergency Department

  • John Meriwether, MD

    John Meriwether, MD

    Medical Staff

    Locations: Onaga, St. Marys

    Position: Physician

    Medical Service: Emergency Department

    See My Bio
  • Thomas E. Walsh, MD

    Thomas E. Walsh, MD

    Medical Staff

    Locations: Centralia, Corning, Onaga

    Position: Physician

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

    See My Bio
  • Nancy J. Zidek, MD

    Nancy J. Zidek, MD

    Medical Staff

    Locations: Frankfort, Onaga, Holton

    Position: Physician

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

    See My Bio
  • Rebecca Simon, MD

    Rebecca Simon, MD

    Medical Staff

    Location: Onaga

    Position: Physician

    Medical Service: Emergency Department

  • 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
  • Dagoberto Heredia, MD

    Dagoberto Heredia, MD

    Medical Staff

    Location: Holton

    Position: Psychiatry

    Medical Services: Youth Services, Mental Health Services

    See My Bio
  • Nicole Huey, APRN

    Nicole Huey, APRN

    Medical Staff

    Location: Holton

    Position: Advanced Practitioner

    Medical Services: Youth Services, Women's Health, Men's Health, Diabetic Care, Family Practice

    See My Bio
  • Bonnie McKinsey, APRN

    Bonnie McKinsey, APRN

    Medical Staff

    Location: Onaga

    Position: Advanced Practitioner

    Medical Service: Emergency Department

    See My Bio
  • Matthew Ridder, APRN

    Matthew Ridder, APRN

    Medical Staff

    Location: St. Marys

    Position: Advanced Practitioner

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

    See My Bio
  • Andrew Barnes, APRN‐C

    Andrew Barnes, 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, Emergency Department, Family Practice, Men's Health, Women's Health, Youth Services

    See My Bio
  • Cornelia Campbell, APRN‐C

    Cornelia Campbell, APRN‐C

    Medical Staff

    Location: Holton

    Position: Advanced Practitioner

    Medical Services: Diabetic Care, Family Practice, Men's Health, Women's Health, Youth Services

    See My Bio
  • Kay Cummins, APRN‐C

    Kay Cummins, APRN‐C

    Medical Staff

    Location: St. Marys

    Position: Advanced Practitioner

    Medical Service: Emergency Department

  • Julia Ingwerson, APRN‐C

    Julia Ingwerson, APRN‐C

    Medical Staff

    Location: St. Marys

    Position: Advanced Practitioner

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

    See My Bio
  • Heather Myers, APRN‐C

    Heather Myers, APRN‐C

    Medical Staff

    Location: Holton

    Position: Advanced Practitioner

    Medical Services: Diabetic Care, Family Practice, Men's Health, Women's Health, Youth Services

    See My Bio
  • Debra Rezac, APRN‐C

    Debra Rezac, APRN‐C

    Medical Staff

    Location: Onaga

    Position: Advanced Practitioner

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

    See My Bio
  • Merica Surdez, APRN‐C

    Merica Surdez, APRN‐C

    Medical Staff

    Locations: Centralia, Onaga

    Position: Advanced Practitioner

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

    See My Bio
  • Michele Reisinger, DNP, APRN, FNP-BC

    Michele Reisinger, DNP, APRN, FNP-BC

    Medical Staff

    Locations: Corning, Onaga

    Position: Advanced Practitioner

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

    See My Bio
  • Amy Jones, APRN-C, FNP, MSN

    Amy Jones, APRN-C, FNP, MSN

    Medical Staff

    Location: Centralia

    Position: Advanced Practitioner

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

    See My Bio
  • Jeremy Jan Brandt, PA‐C

    Jeremy Jan Brandt, PA‐C

    Medical Staff

    Location: Frankfort

    Position: Advanced Practitioner

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

    See My Bio
  • Annie Crumbaker, PA‐C

    Annie Crumbaker, PA‐C

    Medical Staff

    Location: Westmoreland

    Position: Advanced Practitioner

    Medical Services: Diabetic Care, Family Practice, Men's Health, Women's Health, Youth Services

    See My Bio
  • Marcy Evans, PA‐C

    Marcy Evans, PA‐C

    Medical Staff

    Location: Onaga

    Position: Advanced Practitioner

    Medical Service: Emergency Department

  • Jana Kramer, PA‐C

    Jana Kramer, PA‐C

    Medical Staff

    Location: Holton

    Position: Advanced Practitioner

    Medical Services: Diabetic Care, Family Practice, Men's Health, Women's Health, Youth Services

    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
  • Leah Buthorne, APRN

    Leah Buthorne, APRN

    Medical Staff

    Location: Holton

    Position: Specialty Clinic Provider

    Medical Service: Specialty Clinics

  • Tiffany Engelken, APRN‐C

    Tiffany Engelken, APRN‐C

    Medical Staff

    Location: Onaga

    Position: Specialty Clinic Provider

    Medical Service: Specialty Clinics

    See My Bio
  • Tonya Stallbaumer, APRN‐C

    Tonya Stallbaumer, APRN‐C

    Medical Staff

    Location: Onaga

    Position: Specialty Clinic Provider

    Medical Services: Specialty Clinics, Cardiology

  • Gary McKnight, AuD

    Gary McKnight, AuD

    Medical Staff

    Location: Holton

    Position: Specialty Clinic Provider

    Medical Services: Specialty Clinics, Audiology

    See My Bio
  • Timothy Gateley, DPM

    Timothy Gateley, DPM

    Medical Staff

    Location: Onaga

    Position: Specialty Clinic Provider

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

    See My Bio
  • Kenneth Hobbs, DPM

    Kenneth Hobbs, DPM

    Medical Staff

    Locations: Holton, Onaga

    Position: Specialty Clinic Provider

    Medical Services: Specialty Clinics, Podiatry

    See My Bio
  • Hemant Boolani, MD

    Hemant Boolani, MD

    Medical Staff

    Location: St. Marys

    Position: Specialty Clinic Provider

    Medical Services: Specialty Clinics, Cardiology

    See My Bio
  • John Devine, MD

    John Devine, MD

    Medical Staff

    Location: Onaga

    Position: Specialty Clinic Provider

    Medical Services: Specialty Clinics, Medical & Surgical Care

    See My Bio
  • Thomas Doyle, MD

    Thomas Doyle, MD

    Medical Staff

    Location: St. Marys

    Position: Specialty Clinic Provider

    Medical Services: Specialty Clinics, Cardiology

    See My Bio
  • Tyler Grindal, MD

    Tyler Grindal, MD

    Medical Staff

    Locations: Onaga, St. Marys

    Position: Specialty Clinic Provider

    Medical Services: Specialty Clinics, Ear, Nose & Throat, Medical & Surgical 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
  • John Joliff, MD

    John Joliff, MD

    Medical Staff

    Location: Onaga

    Position: Specialty Clinic Provider

    Medical Services: Specialty Clinics, Cardiology

    See My Bio
  • Shawn Magee, MD

    Shawn Magee, MD

    Medical Staff

    Location: Holton

    Position: Specialty Clinic Provider

    Medical Service: Specialty Clinics

    See My Bio
  • Michael McCoy, MD

    Michael McCoy, MD

    Medical Staff

    Location: Holton

    Position: Specialty Clinic Provider

    Medical Service: Specialty Clinics

    See My Bio
  • Chen Chow, MD

    Chen Chow, MD

    Medical Staff

    Location: Onaga

    Position: Specialty Clinic Provider

    Medical Service: Cardiology

    See My Bio
  • Gilbert Katz, MD

    Gilbert Katz, MD

    Medical Staff

    Location: Holton

    Position: Specialty Clinic Provider

    Medical Service: Cardiology

    See My Bio
  • Patrick Birkbeck, MD

    Patrick Birkbeck, MD

    Medical Staff

    Location: Holton

    Position: Specialty Clinic Provider

    Medical Service: Cardiology

    See My Bio
  • Todd Trobough, MD

    Todd Trobough, MD

    Medical Staff

    Location: Holton

    Position: Specialty Clinic Provider

    Medical Service: Women's Health

    See My Bio
  • Sushmita Veloor

    Sushmita Veloor

    Medical Staff

    Location: Holton

    Position: Specialty Clinic Provider

    Medical Service: Specialty Clinics

    See My Bio
  • Regina Gronewoller, LCMSW

    Regina Gronewoller, LCMSW

    Medical Staff

    Locations: Onaga, St. Marys

    Position: Counseling

    Medical Services: Youth Services, Mental Health Services

    See My Bio
  • Sam Jeffers, CRNA

    Sam Jeffers, CRNA

    Medical Staff

    Locations: Onaga, Holton, St. Marys

    Position: Anesthesia

    Medical Service: Medical & Surgical Care

  • 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
  • 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

  • Melissa Talley

    Melissa Talley

    Executive Team

    Location: Onaga

    Position: Chief Practice Management Officer

  • 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

    Position: Chairman

  • Karen Harder

    Karen Harder

    Board of Directors/Officers

    Location: Onaga

    Position: Vice Chairman

  • Alan Fischer

    Alan Fischer

    Board of Directors/Officers

    Location: Onaga

    Position: Board of Director Officer

  • Chris Flattery

    Chris Flattery

    Board of Directors/Officers

    Location: Onaga

    Position: Board of Director Officer

  • Robert Ladner

    Robert Ladner

    Board of Directors/Officers

    Location: Onaga

    Position: Board of Director Officer

  • Tim Kite

    Tim Kite

    Board of Directors/Officers

    Location: Onaga

    Position: Secretary

  • Melissa Wegner

    Melissa Wegner

    Board of Directors/Officers

    Location: Onaga

    Position: Treasurer

  • Directors and Key Personnel

  • Roz Lewis

    Roz Lewis

    Directors and Key Personnel

    Location: Onaga

    Position: Ancillary Services

  • Michael Bomberger

    Michael Bomberger

    Directors and Key Personnel

    Location: St. Marys

    Position: Business Development and Special Projects

  • Lura Flentie

    Lura Flentie

    Directors and Key Personnel

    Locations: Centralia, Onaga, St. Marys

    Position: Long-Term Care Services

  • Eric Bjelland

    Eric Bjelland

    Directors and Key Personnel

    Location: Holton

    Position: Support Services

  • Cindy Flentie

    Cindy Flentie

    Directors and Key Personnel

    Location: Onaga

    Position: Human Resources

  • Sarah Hancock

    Sarah Hancock

    Directors and Key Personnel

    Location: Onaga

    Position: Communications Manager

    Phone: (785) 889-5133