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

Dr. Douglas E. Nielsen, DC

Individual provider Chiropractor · NPI 1740282920

Dr. Douglas E. Nielsen, DC is a Chiropractor in Rock Valley, Iowa. Practices as a sole proprietor. Licensed in Iowa.

Licensed in
IA
In the registry since
2005
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

1315 Golf Course Rd
Rock Valley, IA 51247-1548
Phone: (712) 476-2841
Fax: (712) 476-5085
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence A05411 (IA)

Record details

NPI number1740282920
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorYes
NPI enumeratedJune 1, 2005
Last updated in NPPESSeptember 27, 2011
Mailing address1315 Golf Course Rd, Rock Valley, IA 51247-1548

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