
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Lewis, Colon & Rectal Surgeon (Proctologist) in San Antonio, TX?
Dr. William Lewis, MD is a Colon & Rectal Surgeon (Proctologist), who primarily practices in San Antonio, TX with 2 additional practice locations. He is board certified. Dr. Lewis completed his residency at Wilford Hall Medical Center. Dr. Lewis is fluent in English and Spanish, and is currently seeing new patients. Dr. Lewis’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Lewis’s office at (210) 593-2500.
Where did Dr. Lewis go to medical school and complete their residency?
Fellowship: St. Francis Hospital - CT - 2004
Residency: Wilford Hall Medical Center
Is Dr. Lewis board certified as a Colon & Rectal Surgeon (Proctologist)?
Yes, Dr. William Lewis, MD is board certified by the American Board of Surgery since 2005
What languages does Dr. Lewis speak?
Dr. Lewis and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Colon & Rectal Surgeon (Proctologist) like Dr. Lewis typically treat?
As a Colon & Rectal Surgeon (Proctologist), Dr. Lewis diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Lewis. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Third Degree Hemorrhoids
- Hemorrhoids
- Prolapsed hemorrhoids
- Grade 3 hemorrhoids
- Severe hemorrhoids
ICD-10 Codes:
- K642: Third degree hemorrhoids
Also known as:
- Colorectal Cancer
- Rectal cancer
- Colon cancer
- Bowel cancer
- Malignant neoplasm of rectum
ICD-10 Codes:
- C20: Malignant neoplasm of rectum
Also known as:
- Generalized Muscle Weakness
- Muscle Disorder
- Overall Body Weakness
- Widespread Muscle Weakness
- Systemic Muscle Weakness
ICD-10 Codes:
- M6281: Muscle weakness (generalized)
Also known as:
- Large Intestine Diverticulitis
- Large Intestine Diverticulitis with Perforation and Abscess
- Diverticulosis and Diverticulitis
- Abscess
- Inflamed Colon Diverticula
- Colon Diverticular Inflammation
- Inflamed Colon Diverticula with Abscess
- Perforated Large Bowel Diverticulitis
ICD-10 Codes:
- K5732: Diverticulitis of large intestine without perforation or abscess without bleeding
- K5720: Diverticulitis of large intestine with perforation and abscess without bleeding
Also known as:
- Pelvic and Perineal Pain
- Pelvic Pain
- Perineum pain
- Pelvic floor pain
- Pain in groin area
ICD-10 Codes:
- R102: Pelvic and perineal pain
Also known as:
- Complete Bowel Incontinence
- Bowel Incontinence
- Full fecal incontinence
- Total loss of bowel control
- Severe accidental bowel leakage
ICD-10 Codes:
- R159: Full incontinence of feces
Also known as:
- Outlet Dysfunction Constipation
- Constipation
- Pelvic Floor Dysfunction Constipation
- Dyssynergic Defecation
- Obstructed Defecation
ICD-10 Codes:
- K5902: Outlet dysfunction constipation
Also known as:
- Chronic Anal Fissure
- Anal Disorder
- Long-Term Anal Tear
- Persistent Rectal Fissure
- Chronic Fissure in Anus
ICD-10 Codes:
- K601: Chronic anal fissure
What procedures does a Colon & Rectal Surgeon (Proctologist) like Dr. Lewis typically perform?
As a Colon & Rectal Surgeon (Proctologist), Dr. Lewis performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Lewis. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
CPT Codes:
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
Also known as:
- Removal of Multiple Hemorrhoids
- Hemorrhoidectomy
- Internal and External Hemorrhoid Surgery
- Piles Removal Surgery
CPT Codes:
- 46260: Hemorrhoidectomy, internal and external, 2 or more columns/groups;
Also known as:
- Anal Fissure Removal with Muscle Release
- Fissurectomy
- Sphincterotomy
- Anal Fissure Repair
- Chronic Fissure Surgery
CPT Codes:
- 46200: Fissurectomy, including sphincterotomy, when performed
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- Inserting a Long-Term IV Port (Central Line)
- Tunneled central venous catheter insertion
- Subcutaneous port placement
- Central line with port
CPT Codes:
- 36561: Insertion of tunneled centrally inserted central venous access device, with subcutaneous port; age 5 years or older
Does Dr. Lewis accept my insurance?
Dr. Lewis accepts most major insurance plans. Important: Please call our office at (210) 593-2500 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Lewis accept in San Antonio, TX?
Dr. Lewis in San Antonio, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Baylor Scott & White Holdings
Centene Corporation
Cigna Group
CVS Health (formerly Aetna)
Devoted Health
Federal government of the United States
Health Care Service Corporation
Humana
Medicare
UnitedHealth Group
View All Insurances
Where is Dr. Lewis' office located?
Dr. William Lewis' Primary Practice
18707 Hardy Oak Blvd Ste 210
San Antonio, TX 78258
(210) 593-2500
What hospitals are Dr. Lewis affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Lewis has admitting privileges at the following hospitals:
The Physicians Centre Hospital,Bryan, TX
Ranked Orthopaedic Surgery

Ranked Knee Replacement Surgery

Ranked Orthopaedic Surgery
Ranked Knee Replacement Surgery
St. Joseph Health Regional Hospital - Bryan, Tx,Bryan, TX
Ranked Orthopaedic Surgery

Ranked Spine Surgery

Ranked Orthopaedic Surgery
Ranked Spine Surgery
Baylor Scott & White Medical Center - College Station,College Station, TX
Ranked ObGyn Surgery

Ranked Colon Surgery

Ranked ObGyn Surgery
Ranked Colon Surgery
Baylor Scott & White Medical Center - Brenham,Brenham, TX
What is Dr. Lewis's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Lewis's National Provider Identifier (NPI) number is 1437237369.
What common questions do patients ask about Dr. Lewis?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Lewis
What is Dr. William Lewis's specialty?
Dr. Lewis is a Colon & Rectal Surgeon (Proctologist) near San Antonio, TX.
What does a Colon & Rectal Surgeon (Proctologist) do?
A colon and rectal surgeon possesses the expertise to diagnose and treat a variety of ailments affecting the intestinal tract, including the colon, rectum, anal canal, and perianal area, through both medical and surgical interventions. Furthermore, this professional also engages with other organs and tissues, including the liver, urinary system, and female reproductive system, that are relevant to primary intestinal disorders.
Is Dr. William Lewis affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Lewis is affiliated with The Physicians Centre Hospital, St. Joseph Health Regional Hospital - Bryan, Tx, Baylor Scott & White Medical Center - College Station which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Colon & Rectal Surgeon (Proctologist)?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Colon & Rectal Surgeon (Proctologist). Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Dr. William Lewis accepting new patients in San Antonio, TX?
Yes, Dr. William Lewis is accepting new patients at this time.
Does Dr. William Lewis offer online booking?
Please contact Dr. Lewis' office at (210) 593-2500 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Dr. William Lewis?
Please contact Dr. Lewis' office at (210) 593-2500 to schedule an appointment.
Where is Dr. Lewis' office located?
Dr. Lewis' offices are located in San Antonio, TX and Boerne, TX.
Which board certifications does Dr. William Lewis have?
Dr. William Lewis is certified by the American Board of Surgery.
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