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

Shirk PC

Organization Chiropractor · NPI 1558673442

Shirk PC is a Chiropractor in Mason City, Iowa. Licensed in Iowa. Registered with an NPI since 2010.

Licensed in
IA
In the registry since
2010
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

630 1st St NW
Mason City, IA 50401-2947
Phone: (641) 423-4455
Fax: (641) 423-0354
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence A05882 (IA)

Record details

NPI number1558673442
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Gregory Shirk — President · (641) 423-4455
Other names Acute Care Chiropractic
NPI enumeratedJuly 8, 2010
Last updated in NPPESNovember 19, 2014
Mailing address630 1st St Nw, Mason City, IA 50401-2947

Other providers in Mason City