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

Douglas Mark Duven, MD

Individual provider Surgery Physician · NPI 1861445223

Douglas Mark Duven, MD is a Surgery Physician in Waterloo, Iowa. Licensed in Iowa. Registered with an NPI since 2006.

Licensed in
IA
In the registry since
2006
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

1731 W Ridgeway Ave Ste 100
Waterloo, IA 50701-4591
Phone: (319) 833-6100
Fax: (319) 833-6102
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Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 23463 (IA)

Record details

NPI number1861445223
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 18, 2006
Last updated in NPPESOctober 9, 2007
Mailing addressPo Box 2758, Waterloo, IA 50704-2758

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