Dennis Michael O'Hara, D.C.
Chiropractor · Waterloo, IA
Dennis Michael O'Hara, D.C. is a chiropractor with a practice address in Waterloo, Iowa, and NPI 1801993704, issued on Sep 20, 2006. Check the license (Iowa A05106, as entered in NPPES) with the Iowa board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Dennis Michael O'Hara
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- A05106 IA
Self-reported in NPPES; status is on the state search - Practice location
- 3644 University Ave, Waterloo, IA 50701
- Phone
- (319) 233-3600
- Enumerated
- Sep 20, 2006
- Record last updated
- Jan 15, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (319) 233-3980
- Medicaid ID
- 0235168 IA
- Medicare enrollment
- Enrolled (PECOS I20041221000995); accepts Medicare assignment
- Medical or professional school
- Palmer College Chiropractic - Davenport, 1981
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 2,019 in Iowa → Look up another NPI →
Also registered at 3644 University Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael O'Hara, D.C.Chiropractor1144468067
Verify Dennis Michael O'Hara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license A05106Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Dennis Michael O'Hara among 2,019 chiropractor records in Iowa
Dennis Michael O'Hara, D.C. is one of 2,019 chiropractor records with a practice address in Iowa. 21% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileNo · 21% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1981 · median 2007 among the 1,145 with a school on file
- Record last updated2008 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
29 chiropractor records list a practice address in Waterloo
They are 29 of the 1,512 NPPES records with a practice address in Waterloo, and 2,019 chiropractor records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,019 in Iowa → Every provider in Waterloo → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Michael Blough, DCWaterloo, IA 507011275529174
- Chad Buss, D.C.Waterloo, IA 507011598863979
- Neal Debuhr, DCWaterloo, IA 507011255899449
- Jill Hartzell, D.C.Waterloo, IA 507011871545079
- Zachary Holst, D.C.Waterloo, IA 507011699015883
- Adam Hoogestraat, DCWaterloo, IA 507011326094368
- Amanda Hussman, DCWaterloo, IA 507011922591452
- Hope Johnston, DCWaterloo, IA 507011861964835
Common questions
What is Dennis Michael O'Hara, D.C.'s NPI number?
Dennis Michael O'Hara, D.C.'s National Provider Identifier (NPI) is 1801993704, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dennis Michael O'Hara, D.C. located?
The NPPES record lists a practice address at 3644 University Ave, Waterloo, IA, 50701. Phone: (319) 233-3600. Providers update this record themselves, so call before visiting.
How can I verify Dennis Michael O'Hara, D.C.'s license?
NPPES lists Iowa license number A05106, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.