KNOXVILLE HOSPITAL & CLINICS - Key Persons


Bonnie Stalzer

Job Titles:
  • Human Resources Generalist

Brandi L. Booth

Job Titles:
  • Nurse Practitioner
Brandi Booth, ARNP, specializes in family medicine and sees patients at the Pleasantville Clinic. A Pleasantville native, Brandi has been employed at Knoxville Hospital & Clinics since 2007. As a family medicine provider, Brandi provides care for individuals across their life span. Her comprehensive scope of care involves treatment of illnesses and injuries, health screenings and tests, physical exams, chronic care management, well-baby and adolescent care, men's and women's health, preventive care, sports medicine, and other health care needs. Brandi and her family live in Pleasantville.

Brenda Goodale


Brent Hoehns

Job Titles:
  • Family Medicine
Brent Hoehns, MD, specializes in family medicine and sees patients at the Knoxville Clinic. An Attica, Iowa native, Dr. Hoehns has been employed at Knoxville Hospital & Clinics since 2011. Dr. Hoehns is also a rotating hospitalist who sees patients who are hospitalized at the Knoxville Hospital. As a family medicine provider, Dr. Hoehns provides care for individuals across their life span. His comprehensive scope of care involves treatment of illnesses and injuries, health screenings and tests, physical exams, chronic care management, well-baby and adolescent care, men's and women's health, preventive care, sports medicine, and other health care needs. Dr. Hoehns also provides OB care. Dr. Hoehns and his family live in Knoxville.

Brian McNeill

Job Titles:
  • Member of the Foundation Board
Brian McNeill has been an active Knoxville Hospital & Clinic Foundation Board Member since 2017.

Carrie Laughlin

Job Titles:
  • Member of the Foundation Board
Carrie Laughlin has been an active Knoxville Hospital & Clinics Foundation Board Member since 2021.

Cindi Fuller

Job Titles:
  • Member of the Board of Directors
  • Member of the Foundation Board
Cindi Fuller has been an active Knoxville Hospital & Clinics Foundation Board Member since 2017.

Connie Chrisman

Job Titles:
  • Member of the Board of Directors

Cynthia Hoque

Cynthia Hoque, DO, specializes in family medicine and sees patients at the Knoxville Clinic where she has been employed since 2017. Dr. Hoque is also a rotating hospitalist who sees patients who are hospitalized at the Knoxville Hospital. As a family medicine provider, Dr. Hoque provides care for individuals across their life span. Her comprehensive scope of care involves treatment of illnesses and injuries, health screenings and tests, physical exams, chronic care management, well-baby and adolescent care, men's and women's health, preventive care, sports medicine, and other health care needs. Dr. Hoque also provides OB care. Dr. Hoque and her husband own HoQ Restaurant in the East Village in Des Moines and live in Polk County.

Danise Hyatt

Job Titles:
  • Nurse Practitioner
Danise Hyatt, ARNP, specializes in acute care and family medicine and sees patients at the Knoxville Clinic. A Knoxville native, Danise has been employed as a provider at Knoxville Hospital & Clinics since 2020. As an acute care and family medicine provider, Danise provides care for individuals who are experiencing cold and flu symptoms; minor burns, cuts or rashes; ear, sinus, or urinary tract infection; sprains or strains; pink eye; vomiting and diarrhea; and other acute ailments. Her comprehensive scope of care also involves treatment of illnesses and injuries, health screenings and tests, physical exams, chronic care management, well-baby and adolescent care, men's and women's health, preventive care, sports medicine, and other health care needs. Danise and her family live in Knoxville.

David Johnson

Job Titles:
  • Member of the Board of Directors
  • Johnson & Lane Attorneys Lawyer / Board Member since 2013

Dr. Lily Maasdam

Job Titles:
  • Member of the Foundation Board

Dr. Marty Errthum

Job Titles:
  • Member of the Foundation Board

Gary Woodhouse

Job Titles:
  • Director of Respiratory Therapy

Heidi Curtis

Heidi Curtis, DCNP, specializes in dermatology and sees patients in Knoxville. She is affiliated with Radiant Complexions Dermatology Clinic in Des Moines. As a Dermatology Certified Nurse Practitioner (DCNP), Heidi has attained a high level of dermatology expertise.

Holly Ives

Job Titles:
  • Clinic Director

Jan Myers

Job Titles:
  • Chief Nursing Officer
  • Member of the Operations Team

Jared Rietveld

Jared Rietveld, DO, specializes in family medicine and sees patients at the Knoxville Clinic. A Marion County native, Dr. Rietveld has been employed at Knoxville Hospital & Clinics since 2021. Dr. Rietveld is also a rotating hospitalist who sees patients who are hospitalized at the Knoxville Hospital. As a family medicine provider, Dr. Rietveld provides care for individuals across their life span. His comprehensive scope of care involves treatment of illnesses and injuries, health screenings and tests, physical exams, chronic care management, well-baby and adolescent care, men's and women's health, preventive care, sports medicine, and other health care needs. Dr. Rietveld and his wife live in Knoxville.

Jay Hoch

Job Titles:
  • Member of the Foundation Board
Jay Hoch has been an active Knoxville Hospital & Clinics Foundation Board Member since 2022.

Jennifer Coxe

Job Titles:
  • Nurse Practitioner - Acute Care
Jennifer Coxe, ARNP, specializes in acute care and sees patients at the Knoxville Clinic where she has been employed since 2016. As an Acute Care provider, Jennifer provides care for individuals who are experiencing cold and flu symptoms; minor burns, cuts or rashes; ear, sinus, or urinary tract infection; sprains or strains; pink eye; vomiting and diarrhea; and other acute ailments. Jennifer and her family live in Polk County.

Jesse Crum

Job Titles:
  • Director of Information Technology
  • Security Officer

Jessica Stickel

Job Titles:
  • Director of Physical Therapy

Jim Butler

Job Titles:
  • Member of the Board of Directors

John Gotta

Job Titles:
  • Director of Facilities

Karen Kraber

Job Titles:
  • Director of Fiscal Services

Kate M. Ripperger

Kate Ripperger, ARNP, specializes in acute care and sees patients at the Knoxville Hospital Clinic. A Knoxville native, Kate has been employed at the Knoxville Hospital & Clinics since 2017. As an Acute Care provider, Kate provides care for individuals who are experiencing cold and flu symptoms; minor burns, cuts or rashes; ear, sinus, or urinary tract infection; sprains or strains; pink eye; vomiting and diarrhea; and other acute ailments. Kate has an extensive nursing background having served in emergency and surgery departments in Texas and Iowa. Kate and her family live in Knoxville.

Kevin Kincaid - CEO

Job Titles:
  • Chief Executive Officer
  • Member of the Operations Team

Kevin Stittsworth

Job Titles:
  • Director of Foundation and Public Relations

Laci Dykstra

Laci Dykstra, ARNP, specializes in family medicine and sees patients at the Red Rock Healthcare - Pella Clinic in Pella. A Pella native, Laci has been employed at Knoxville Hospital & Clinics since 2014. As a family medicine provider, Laci provides care for individuals across their life span. Her comprehensive scope of care involves treatment of illnesses and injuries, health screenings and tests, physical exams, chronic care management, well-baby and adolescent care, men's and women's health, preventive care, sports medicine, and other health care needs. Laci and her family live on a farm outside of Pella.

Laura Hugen

Job Titles:
  • Director of Materials Management

Laurynn Verry

Job Titles:
  • Clinical Dietitian

Lisa Crossett

Job Titles:
  • Member of the Board of Directors

Lisa Oldham

Job Titles:
  • Utilization Review Coordinator

Logan Miller

Logan Miller, DO, specializes in emergency medicine and is the Director of the Emergency Department at Knoxville Hospital & Clinics where he has been employed since 2018. As an emergency medicine provider, Dr. Miller treats patients who need immediate care. He specializes in advanced cardiac life support, trauma care and management, and other life-threatening conditions. Dr. Miller and his family live in Knoxville.

Lori Bailey

Job Titles:
  • Member of the Board of Directors

Lori Major

Job Titles:
  • Laboratory Manager

Maggie Hamilton-Beyer - CFO

Job Titles:
  • Chief Financial Officer
  • Member of the Operations Team

Mark Worrall - COO

Job Titles:
  • Director of Operations
  • Member of the Operations Team

Megan Sutter

Job Titles:
  • Administration Office, Executive Assistant

Michelle Irwin

Job Titles:
  • Director of Imaging

Miles Anderson

Job Titles:
  • Coordinator of Med / Surg

Natalie Rowley

Natalie Rowley, PA, specializes in family medicine and sees patients at the Knoxville Hospital Clinic. A Pleasantville native, Natalie has been employed at the Knoxville Hospital & Clinics since 2004. As a family medicine provider, Natalie provides care for individuals across their life span. Her comprehensive scope of care involves treatment of illnesses and injuries, health screenings and tests, physical exams, chronic care management, well-baby and adolescent care, men's and women's health, preventive care, sports medicine, and other health care needs. Natalie and her family live in Knoxville.

Ryan Laughlin

Ryan Laughlin, DO, specializes in family medicine and sees patients at the Knoxville Hospital Clinic where he has been employed since 2017. Dr. Laughlin is also a rotating hospitalist who sees patients who are hospitalized at the Knoxville Hospital. As a family medicine provider, Dr. Laughlin provides care for individuals across their life span. His comprehensive scope of care involves treatment of illnesses and injuries, health screenings and tests, physical exams, chronic care management, well-baby and adolescent care, men's and women's health, preventive care, sports medicine, and other health care needs. Dr. Laughlin and his family live in Knoxville.

Samantha Keady

Samantha Keady, DO, specializes in emergency medicine and is also a rotating hospitalist at the Knoxville Hospital & Clinics where she has been employed since 2019. As an emergency medicine provider, Dr. Keady treats patients who need immediate care. She specializes in advanced cardiac life support, trauma care and management, and other life-threatening conditions. Dr. Keady and her family live in Knoxville.

Shannon Remington

Shannon Remington, DO, specializes in family medicine and see patients at the Knoxville Clinic and Pleasantville Clinic. Dr. Remington has been employed at the Knoxville Hospital & Clinics since 2011. As a family medicine provider, Dr. Remington provides care for individuals across their life span. Her comprehensive scope of care involves treatment of illnesses and injuries, health screenings and tests, physical exams, chronic care management, well-baby and adolescent care, men's and women's health, preventive care, sports medicine, and other health care needs. Dr. Remington is also dedicated to caring for women's health care from family planning to menopause. Dr. Remington and her family live in Pleasantville.

Steve Bitzkowski

Job Titles:
  • Director of Patient Accounts

Tim Huffman


Todd Chambers

Job Titles:
  • Member of the Board of Directors

Troy Padellford

Job Titles:
  • Director of Pharmacy

Wendy Hopkins

Job Titles:
  • ED / Trauma Services Manager