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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. Clay Hallberg:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. Clay Hallberg is Below Average. Dr. Hallberg has been reviewed by 7 patients who have provided 2 comments. The rating is 2 out of 5 stars.

Patient Ratings
Ease of Appointment 4.0
Promptness 4.0
Courteous Staff 3.0
Accurate Diagnosis 2.0
Bedside Manner 2.3
Spends Time with Me 2.7
Follows Up After Visit 2.0

Specialties & Research

Dr. Clay Hallberg, DO is board certified in Family Medicine.

  • He has special expertise in 1 area:
  • Osteopathic Manipulation

Education & Awards

Dr. Hallberg graduated from Des Moines University.


Dr. Hallberg has 10 hospital affiliations:

  • Allen Hospital 
  • Covenant Medical Center 

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Additional Information
Dr. Clay F Hallberg DO is a male Family Practitioner, has 25 years of experience and practices in Family Medicine.
Where does Dr. Clay F. Hallberg practice?
Dr. Clay Hallberg has 1 office location.
Dr. Clay Hallberg practices Family Medicine near Oelwein, IA.
See Oelwein Primary Care Doctors.