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

Dr Richard W Haas Chiropractor PC

Organization Chiropractor · NPI 1639241920

Dr Richard W Haas Chiropractor PC is a Chiropractor in Mason City, Iowa. Licensed in Iowa. Registered with an NPI since 2006.

Licensed in
IA
In the registry since
2006
Specialties on file
2
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

1403 S Federal Ave
Mason City, IA 50401
Phone: (641) 424-6531
Fax: (641) 424-6532
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 06802 (IA)
Chiropractor Taxonomy 111N00000X · Licence 04549 (IA)

Record details

NPI number1639241920
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Richard Haas — Owner · (641) 424-6531
Other names Haas Chiropractic Clinic
NPI enumeratedNovember 14, 2006
Last updated in NPPESAugust 23, 2012
Mailing address1403 S Federal Ave, Mason City, IA 50401-5727

Other providers in Mason City