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

John William Richardson, MD

Individual provider Cardiovascular Disease Physician · NPI 1235183872

John William Richardson, MD is a Cardiovascular Disease Physician in Dubuque, Iowa. Licensed in Iowa and Wisconsin. Registered with an NPI since 2006.

Licensed in
IA, WI
In the registry since
2006
Specialties on file
2
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

1000 Langworthy St
Dubuque, IA 52001-7313
Phone: (563) 584-3425
Fax: (563) 584-3497
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 29589 (IA)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 35248 (WI)

Record details

NPI number1235183872
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 19, 2006
Last updated in NPPESJuly 20, 2009

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