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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

5.0
  •  
(8)
Patient comments (1)

The overall average patient rating of Dr. Frederick Karrer, Professor is Excellent. Dr. Karrer has been reviewed by 8 patients who have provided 1 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
  •  
Promptness 5.0
  •  
Courteous Staff 5.0
  •  
Accurate Diagnosis 5.0
  •  
Bedside Manner 5.0
  •  
Spends Time with Me 5.0
  •  
Follows Up After Visit 5.0
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Specialties & Research

Dr. Frederick Karrer, MD is board certified in Surgery and Pediatric Surgery.

  • He has special expertise in 12 areas:
  • Appendicitis
  • Bile Duct inflammation (Cholangitis)
  • Critical Care
  • Endoscopy (Endoscopic Surgery)
  • Esophageal and Gastric Varices
  • Gastrointestinal Hemorrhage
  • Kidney Transplant (Renal Transplant)
  • Laproscopic Surgery (Laparoscopy)
  • Liver Diseases
  • Liver Transplantation
  • Multiple Trauma
  • Portal Hypertension

Education & Awards

Dr. Karrer graduated from University of Nebraska, Omaha. He has 5 awards.

Awards  
One of America's Leading Experts on:
Bile Duct inflammation (Cholangitis)
Castle Connolly America's Top Doctors® (2002 - 2008, 2010 - 2015)
Patients' Choice Award (2008 - 2011, 2014)
Compassionate Doctor Recognition (2010, 2014)
On-Time Doctor Award (2014)

Affiliations

Dr. Karrer has 14 hospital affiliations:

  • Exempla Inc Saint Joseph Hospital 
  • Exempla Lutheran Medical Ctr 

> > > > Dr. Frederick Karrer, MD

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Additional Information
Dr. Frederick Merrill Karrer MD is a male Surgeon, has 32 years of experience and practices in Surgery, Pediatric Surgery, and Surgical Critical Care.
Where does Dr. Frederick M. Karrer practice?
Dr. Frederick Karrer has 3 office locations.
Dr. Frederick Karrer practices Surgery, Pediatric Surgery, and Surgical Critical Care near Aurora, CO.
Additional practice locations include: Denver, CO and Highlands Ranch, CO.
See Aurora Surgeons and Aurora Pediatric Surgeons.