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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 (4)

The overall average patient rating of Dr. Charles Hollen is Good. Dr. Hollen has been reviewed by 22 patients who have provided 4 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.3
Promptness 4.4
Courteous Staff 4.4
Accurate Diagnosis 4.4
Bedside Manner 4.3
Spends Time with Me 4.1
Follows Up After Visit 4.2

Specialties & Research

Dr. Charles Hollen, MD is board certified in Internal Medicine.

Education & Awards

Dr. Hollen graduated from Medical College of Ohio, Toledo. He has 4 awards.

Castle Connolly's Top Doctors™ (2012 - 2013)
Patients' Choice Award (2009 - 2012)
Compassionate Doctor Recognition (2009 - 2010, 2012 - 2013)
On-Time Doctor Award (2009, 2014)


Dr. Hollen has 2 hospital affiliations:

  • Sarasota Memorial Hospital 
  • Doctors Hospital Of Sarasota 


  • Spanish
  • English

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Additional Information
Dr. Charles Rowland Hollen MD is a male Internist, has 33 years of experience and practices in Internal Medicine.
Where does Dr. Charles R. Hollen practice?
Dr. Charles Hollen has 2 office locations.
Dr. Charles Hollen practices Internal Medicine near Sarasota, FL.
See Sarasota Internists.