Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Dennis Michael O'Hara, DC

Individual provider Chiropractor · NPI 1801993704

Dr. Dennis Michael O'Hara, DC is a Chiropractic in Waterloo, Iowa. Graduated from Palmer College Chiropractic - Davenport in 1981, 45 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
45
Trained at
Palmer College Chiropractic - Davenport
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

3644 University Ave
Waterloo, IA 50701-5622
Phone: (319) 233-3600
Fax: (319) 233-3980
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence A05106 (IA)

Record details

NPI number1801993704
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorYes
NPI enumeratedSeptember 20, 2006
Last updated in NPPESJanuary 15, 2008

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCHIROPRACTIC
Medical schoolPALMER COLLEGE CHIROPRACTIC - DAVENPORT
Graduated 1981 (45 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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