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Colorectal Surgeon (colon & rectum), Surgical Specialist
23 years of experience
Accepting new patients
Video profile
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

4.5
  •  
(37)
Patient comments (13)

The overall average patient rating of Dr. John Marks is Excellent. Dr. Marks has been reviewed by 37 patients who have provided 13 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.1
  •  
Promptness 3.5
  •  
Courteous Staff 4.2
  •  
Accurate Diagnosis 4.4
  •  
Bedside Manner 4.0
  •  
Spends Time with Me 4.2
  •  
Follows Up After Visit 4.2
  •  

Specialties & Research

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

  • He has special expertise in 2 areas:
  • Colorectal Cancer
  • Colorectal Surgery

Education & Awards

Dr. Marks graduated from Thomas Jefferson University, Philadelphia. He has 7 awards.

Awards  
U.S. News & World Report
2011 - TOP DOCTOR - Colon & Rectal Surgeon
Castle Connolly America's Top Doctors® (2014 - 2015)
Castle Connolly America's Top Doctors® for Cancer (2014 - 2015)
Patients' Choice Award (2015)
Top 10 Doctor - State (2014)
Pennsylvania
Colon & Rectal Surgeon
Top 10 Doctor - Metro Area (2014)
Delaware Valley
Colon & Rectal Surgeon

Affiliations

Dr. Marks has 20 hospital affiliations:

  • Main Line Hospital - Bryn Mawr 
  • Bryn Mawr Rehabilitation Hospital 

Languages

  • French

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Additional Information
Dr. John H Marks MD is a male Colon/Rectal Surgeon, has 23 years of experience and practices in Colon & Rectal Surgery.
Where does Dr. John H. Marks practice?
Dr. John Marks has 1 office location.
Dr. John Marks practices Colon & Rectal Surgery near Wynnewood, PA.
See Wynnewood Colorectal Surgeons.