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

Individual provider Internal Medicine Physician · NPI 1689678344

Douglas J Jergenson, MD is an Internal Medicine Physician in Clinton, Iowa. Licensed in Iowa. Registered with an NPI since 2005.

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

221 Main Ave
Clinton, IA 52732-2241
Phone: (563) 242-7522
Fax: (563) 242-7534
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 22254 (IA)

Record details

NPI number1689678344
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 10, 2005
Last updated in NPPESOctober 13, 2007

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