Wendy Kay Thiessen, M.D.
Pediatrics Physician · Marshalltown, IA
Wendy Kay Thiessen, M.D. is a pediatrics physician with a practice address in Marshalltown, Iowa, and NPI 1306827035, issued on Nov 9, 2005. Check the license (Iowa 34259, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Wendy Kay Thiessen
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 34259 IA
Self-reported in NPPES; status is on the state search - Practice location
- 421 E Merle Hibbs Blvd, Marshalltown, IA 50158
- Phone
- (641) 753-8616
- Enumerated
- Nov 9, 2005
- Record last updated
- Jul 18, 2023
- Fax
- (641) 753-7456
- Medicaid ID
- 2253294 IA
- Medicare enrollment
- Enrolled (PECOS I20071207000363); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 502 in Iowa → Look up another NPI →
Also registered at 421 E Merle Hibbs Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Melinda Arnold, PAPhysician Assistant1013618701
- Carol Barlow, ARNPNurse Practitioner1225592074
- Matthew Crandon, PTPhysical Therapist1730301375
- Daniel DelaneyFamily Medicine Physician1992360697
- Lynne Desotel, MDFamily Medicine Physician1568545960
- Jeffrey Dikis, DPMFoot & Ankle Surgery Podiatrist1740544386
Verify Wendy Kay Thiessen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 34259Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Mcfarland Clinic PCAmes, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wendy Kay Thiessen among 502 pediatrics physician records in Iowa
Wendy Kay Thiessen, M.D. is one of 502 pediatrics physician records with a practice address in Iowa. 25% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 82% newer
- In a Medicare fileYes · 25% of these records are
- In the CMS Doctors and Clinicians fileYes · 10% of these records are
- Graduated1999 · median 2003 among the 48 with a school on file
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatrics Physician providers in Iowa
There are 502 pediatrics physician records in Iowa.
All 502 in Iowa → Every provider in Marshalltown → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Kerri Metzger, M.D.Marshalltown, IA 501581831189232
- Faith Thompson, MDMarshalltown, IA 501581134788847
- Rana Aldurrah, MDJohnston, IA 501311295842375
- Mark Barnhill, DOJohnston, IA 501311396721676
- Leah Brandon, DOJohnston, IA 501311417214321
- Joseph Falco, D.O.Urbandale, IA 501311679717615
- Susan Comer, MDIndianola, IA 501251639690852
- Kevin Peterson, D.O.Indianola, IA 501251669633343
Common questions
What is Wendy Kay Thiessen, M.D.'s NPI number?
Wendy Kay Thiessen, M.D.'s National Provider Identifier (NPI) is 1306827035, issued on Nov 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Wendy Kay Thiessen, M.D. located?
The NPPES record lists a practice address at 421 E Merle Hibbs Blvd, Marshalltown, IA, 50158. Phone: (641) 753-8616. Providers update this record themselves, so call before visiting.
How can I verify Wendy Kay Thiessen, M.D.'s license?
NPPES lists Iowa license number 34259, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.