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Surgical Specialist, Colorectal Surgeon (colon & rectum)
13 years of experience
Accepting new patients
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. William Lewis is Excellent. Dr. Lewis has been reviewed by 20 patients who have provided 4 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.0
Promptness 5.0
Courteous Staff 3.7
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. William Lewis, MD is board certified in Colon & Rectal Surgery and Surgery.

  • He has special expertise in 9 areas:
  • Colon Cancer
  • Colon Diseases (Sigmoid Diseases)
  • Colonic Diverticulitis
  • Colonoscopy
  • Fecal Incontinence
  • Hemorrhoids
  • Laparoscopic General Surgery
  • Minimally Invasive Surgical Procedures
  • Rectal Cancer

Education & Awards

Dr. Lewis graduated from Baylor College of Medicine, Houston. He has 3 awards.

Patients' Choice Award (2014)
Compassionate Doctor Recognition (2014)
Top 10 Doctor - City (2014)
San Antonio, TX


Dr. Lewis has 3 hospital affiliations:

  • Methodist Specialty & Transplant Hospital 
  • Methodist Hospital 
  • Methodist Stone Oak Hospital 


  • English

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Additional Information
Dr. William Cannon Lewis MD is a male Colon/Rectal Surgeon, has 13 years of experience and practices in Colon & Rectal Surgery and Surgery.
Where does Dr. William C. Lewis practice?
Dr. William Lewis has 2 office locations.
Dr. William Lewis practices Colon & Rectal Surgery and Surgery near San Antonio, TX.
See San Antonio Surgeons.