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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).

Patient Reviews

Patient comments (9)

The overall average patient rating of Dr. Dagmar Arnold is Good. Dr. Arnold has been reviewed by 15 patients who have provided 9 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 3.8
Promptness 4.0
Courteous Staff 4.3
Accurate Diagnosis 3.7
Bedside Manner 3.1
Spends Time with Me 4.1
Follows Up After Visit 3.3

Specialties & Research

Dr. Dagmar Arnold, MD is board certified in Internal Medicine and Endocrinology, Diabetes & Metabolism.

  • She has special expertise in 4 areas:
  • Diabetes
  • Diabetes Mellitus
  • Diabetes
  • Thyroid Diseases

Education & Awards

Dr. Arnold graduated from Aarhus Universitet. She has 4 awards.

Castle Connolly's Top Doctors™ (2012 - 2013)
Patients' Choice Award (2014)
Top 10 Doctor - State (2014)
Top 10 Doctor - Metro Area (2014)
Washington Metro Area


Dr. Arnold has 2 hospital affiliations:

  • Washington Hospital Center 
  • Montgomery General Hospital Inc 


  • Danish
  • German

> > > > Dr. Dagmar Arnold, MD

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Additional Information
Dr. Dagmar R Arnold MD is a female Internist and practices in Internal Medicine and Endocrinology, Diabetes & Metabolism.
Where does Dr. Dagmar R. Arnold practice?
Dr. Dagmar Arnold has 2 office locations.
Dr. Dagmar Arnold practices Internal Medicine and Endocrinology, Diabetes & Metabolism near Olney, MD.
Additional practice locations include: Washington, DC.
See Olney Internists and Olney Endocrinologists.