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

Dr. Gillian M Biggerstaff, DC

Individual provider Chiropractor · NPI 1285798413

Dr. Gillian M Biggerstaff, DC is a Chiropractor in Sioux City, Iowa. Practices as a sole proprietor. Licensed in Iowa.

Licensed in
IA
In the registry since
2006
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

4701 Morningside Ave
Sioux City, IA 51106-3021
Phone: (712) 276-4946
Fax: (712) 276-4599
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 06766 (IA)

Record details

NPI number1285798413
Entity typeIndividual (Type 1)
GenderFemale
Credentials DC
Sole proprietorYes
NPI enumeratedDecember 21, 2006
Last updated in NPPESJuly 8, 2007

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