Overview
Wendy Thiessen is a Pediatrics provider in Marshalltown, Iowa. Dr. Thiessen is rated as an Experienced provider by MediFind in the treatment of Herpangina. Her top areas of expertise are Developmental Dysphasia Familial, Delayed Growth, Croup, and Vascular Birthmark. Dr. Thiessen is currently accepting new patients.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- HMO
- MEDICARE MAPD
- MEDICARE PDP
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- POS
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- EPO
- HMO
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- HMO
- EPO
- HMO
- PPO
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- PPO
- OTHER COMMERCIAL
- EPO
- HMO
- POS
- PPO
- HMO
- POS
Locations
421 E Merle Hibbs Blvd, Marshalltown, IA 50158
3500 University Blvd, Suite 1001, Ames, IA 50010
1215 Duff Ave, Ames, IA 50010
MercyOne Waterloo Pediatrics Care
Brian Sims is a Pediatrics provider in Waterloo, Iowa. Dr. Sims is rated as an Advanced provider by MediFind in the treatment of Herpangina. His top areas of expertise are Viral Gastroenteritis, Croup, Obesity in Children, and Herpangina.
Des Moines Pediatric And Adolescent Clinic
Sarah Barnhart, ARNP is a board-certified Pediatric Nurse Practitioner who joined the Des Moines Pediatric and Adolescent team in 2019. She completed here undergraduate studies in 2014 at Mount Mercy University in Cedar Rapids, IA. She started her nursing career as a NICU nurse at Mercy Hospital here in Des Moines, followed by a few years of travel nursing with her now husband. She then went on to complete her master’s degree in nursing in 2019 from Maryville University in St. Louis, MO where she specialized in pediatrics.Sarah is a Des Moines native that has always had a passion for the pediatric population and loves serving her hometown community. She believed in a holistic approach that encompasses caring for her patients and their entire family. With her background in newborns, and having young children of her own, she especially loves helping new parents navigate their new roles.She lives in Waukee with her husband, twin daughters, and her German Shepard, Gracie. She enjoys cooking/baking, traveling, reading, game night with friends, and spending time with her family. Ms. Barnhart is rated as an Experienced provider by MediFind in the treatment of Herpangina. Her top areas of expertise are Herpangina, Croup, Delayed Growth, and Autism Spectrum Disorder.
Shilpi Shrivastava is a Pediatrics provider in Waukee, Iowa. Dr. Shrivastava is rated as an Experienced provider by MediFind in the treatment of Herpangina. Her top areas of expertise are Herpangina, Delayed Growth, Idiopathic Short Stature (ISS), and Familial Short Stature (FSS). Dr. Shrivastava is currently accepting new patients.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- Developmental Dysphasia FamilialDr. Thiessen isAdvanced. Learn about Developmental Dysphasia Familial.
- Experienced
- AnorchiaDr. Thiessen isExperienced. Learn about Anorchia.
- Autism Spectrum DisorderDr. Thiessen isExperienced. Learn about Autism Spectrum Disorder.
- Childhood Iron Deficiency AnemiaDr. Thiessen isExperienced. Learn about Childhood Iron Deficiency Anemia.
- Congenital Bowing of Long BonesDr. Thiessen isExperienced. Learn about Congenital Bowing of Long Bones.
- CroupDr. Thiessen isExperienced. Learn about Croup.
- Delayed GrowthDr. Thiessen isExperienced. Learn about Delayed Growth.

