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Dr. John Hoshyn Sun MD is a male Colon/Rectal Surgeon, has 20 years of experience and practices in Colon & Rectal Surgery, Surgery, and Gastroenterology.
Video profile
Dr. John Sun has 1 office location.
9397 Crown Crest Blvd
Ste 201
Parker, CO 80138

Phone Number
Locations and availability (1)
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

  • Currently 3.5 of 4 stars
Patient comments (12)

The overall average patient rating of Dr. John Sun is Excellent. Dr. Sun has been reviewed by 15 patients who have provided 12 comments. The rating is 3.5 out of 4 stars.

Patient Ratings
Ease of Appointment 3.8
  • Currently 3.8181818181818 of 4 stars
Promptness 3.7
  • Currently 3.7272727272727 of 4 stars
Courteous Staff 3.9
  • Currently 3.9090909090909 of 4 stars
Accurate Diagnosis 3.7
  • Currently 3.7272727272727 of 4 stars
Bedside Manner 3.9
  • Currently 3.9090909090909 of 4 stars
Spends Time with Me 3.9
  • Currently 3.9090909090909 of 4 stars
Follows Up After Visit 3.8
  • Currently 3.8 of 4 stars

Specialties & Research

Dr. John Sun, MD is board certified in Colon & Rectal Surgery and Surgery.

Education & Awards

Dr. Sun graduated from University of Colorado, Denver. He has 3 awards.

Castle Connolly's Top Doctors™ (2013)
Patients' Choice Award (2012)
Compassionate Doctor Recognition (2009 - 2012)


Dr. Sun has 8 hospital affiliations:

  • Swedish Medical Center 
  • Medical Center of Aurora 

Accepted Insurance Plans

Dr. Sun accepts these health insurances in at least one office:

  • United Healthcare - 20 plans
  • Great-West Healthcare - 4 plans
  • Rocky Mountain Health Plans - 5 plans
  • Humana - 13 plans
  • Cigna - 6 plans
  • Aetna - 3 plans


  • Korean

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Additional Information
Where does Dr. John H. Sun practice?
Dr. John Sun practices Colon & Rectal Surgery, Surgery, and Gastroenterology near Parker, CO.
See Parker Surgeons and Parker Gastroenterologists.