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Family Practitioner, Primary Care Doctor, General Practitioner
28 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. David Brennan:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. David Brennan is Good. Dr. Brennan has been reviewed by 1 patients who have provided 0 comments. The rating is 4 out of 5 stars.

Specialties & Research

  • He has special expertise in 1 area:
  • Flu (Human Influenza)

Education & Awards

Dr. Brennan graduated from Des Moines University.


Dr. Brennan has 17 hospital affiliations:

  • Olmsted Medical Center Hospital 
  • Stewart Memorial Community Hospital 


  • Afrikaans
  • Hindi
  • Russian
  • Ukrainian
  • Mandarin

> > > > Dr. David Brennan, DO

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Additional Information
Dr. David Mark Brennan DO is a male Family Practitioner, has 28 years of experience and practices in Family Medicine and General Practice.
Where does Dr. David M. Brennan practice?
Dr. David Brennan has 9 office locations.
Dr. David Brennan practices Family Medicine and General Practice near Clinton, IA.
Additional practice locations include: Chatfield, MN and Rochester, MN.
See Clinton Family Physicians and Clinton General Practitioners.