Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Wendy Kay Thiessen, MD

Individual provider Pediatrics Physician · NPI 1306827035

Dr. Wendy Kay Thiessen, MD is a Pediatric Medicine in Marshalltown, Iowa. Graduated from University of Iowa, Rj & L Carver College of Medicine in 1999, 27 years ago. Practices with McFarland Clinic PC, a 353-clinician group and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
27
Trained at
University of Iowa, Rj & L Carver College of Medicine
Licensed in
IA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

421 E Merle Hibbs Blvd
Marshalltown, IA 50158-1888
Phone: (641) 753-8616
Fax: (641) 753-7456
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 34259 (IA)

Record details

NPI number1306827035
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 9, 2005
Last updated in NPPESJuly 18, 2023
Certification dateJuly 12, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolUNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Graduated 1999 (27 years in practice)
Group practice McFarland Clinic Pc — 353 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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