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

Dr. William Henry Parker VI, MD

Individual provider Internal Medicine Physician · NPI 1558921189

Dr. William Henry Parker VI, MD is an Internal Medicine Physician in Iowa City, Iowa. Practices as a sole proprietor. Licensed in Iowa and Ohio.

Licensed in
IA, OH
In the registry since
2019
Specialties on file
4
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

200 Hawkins Dr
Iowa City, IA 52242-1009
Phone: (319) 384-8001
Fax: (319) 353-6343
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Cardiac Electrophysiology Physician (primary) Taxonomy 207RC0001X · Licence 35.153818 (OH)
Internal Medicine Physician Taxonomy 207R00000X · Licence 57.248517 (OH)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence R-12596 (IA)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence MD-51967 (IA)

Record details

NPI number1558921189
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 17, 2019
Last updated in NPPESMay 29, 2025
Certification dateMay 29, 2025

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