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Dr. William Lewis, MD

Dr. William Lewis, MD

San Antonio, TX

Accepting patients

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 by the American Board of Surgery. 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, UnitedHealthcare 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 in 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 Dr. Lewis 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.

    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:

    • 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:

    • Outlet Dysfunction Constipation
    • Constipation
    • Pelvic Floor Dysfunction Constipation
    • Dyssynergic Defecation
    • Obstructed Defecation
    • Difficulty Passing Stool
    • Infrequent Bowel Movements
    • Hard Stools

    ICD-10 Codes:

    • K5902: Outlet dysfunction constipation
    • K5900: Constipation, unspecified

    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:

    • 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:

    • Colorectal Cancer
    • Rectal cancer
    • Colon cancer
    • Bowel cancer
    • Malignant neoplasm of rectum

    ICD-10 Codes:

    • C20: Malignant neoplasm of rectum

    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:

    • Digestive System Surgery Aftercare
    • After Surgery
    • Post-gastrointestinal surgery care
    • Stomach surgery aftercare
    • Bowel surgery recovery

    ICD-10 Codes:

    • Z48815: Encounter for surgical aftercare following surgery on the digestive system

    Also known as:

    • Rectal Prolapse into Vagina
    • Pelvic Floor Disorder
    • Fallen rectum
    • Posterior vaginal wall prolapse
    • Rectocele

    ICD-10 Codes:

    • N816: Rectocele

    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

    Also known as:

    • Anal Fistula
    • Anal Disorder
    • Fistulas
    • Perianal Fistula
    • Fistula-in-Ano
    • Abnormal Anal Tract

    ICD-10 Codes:

    • K603: Anal fistula

    Also known as:

    • Pre-Procedure Lab Tests
    • Pre-op blood work
    • Lab tests before surgery
    • Pre-treatment lab assessment

    ICD-10 Codes:

    • Z01812: Encounter for preprocedural laboratory examination

    Also known as:

    • Rectal Prolapse
    • Pelvic Floor Disorder
    • Rectal Disorder
    • Protruding Rectum
    • Bowel Prolapse
    • Rectal Eversion

    ICD-10 Codes:

    • K623: Rectal prolapse

    Also known as:

    • Other Anal and Rectal Condition
    • Anal Disorder
    • Rectal Disorder
    • Proctitis
    • Anal Disorders
    • Rectal Disorders

    ICD-10 Codes:

    • K6289: Other specified diseases of anus and rectum

    Also known as:

    • Rectal Bleeding
    • Gastrointestinal Bleeding
    • Gastrointestinal (GI) Bleeding
    • Anal Bleeding
    • Blood in Stool
    • Lower GI Bleed

    ICD-10 Codes:

    • K625: Hemorrhage of anus and rectum

    Also known as:

    • Cancer Surgery Aftercare
    • After Surgery
    • Cancer
    • Post-cancer surgery care
    • Oncology aftercare
    • Cancer recovery follow-up

    ICD-10 Codes:

    • Z483: Aftercare following surgery for neoplasm

    Also known as:

    • Colon Polyps
    • Colonic Polyps
    • Colorectal Polyps
    • Intestinal Polyps
    • Bowel Polyps

    ICD-10 Codes:

    • Z86010: Personal history of colon polyps

    Which procedures does Dr. Lewis perform as a Colon & Rectal Surgeon (Proctologist)?

    As a Colon & Rectal Surgeon (Proctologist), procedures performed by a Dr. William Lewis may include:

    For detailed information, please contact Dr. Lewis' office.

    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 Health

    • Centene

    • CVS Health (formerly Aetna)

    • Department of Veterans Affairs

    • Express Scripts

    • Health Care Service Corporation (HCSC)

    • Humana

    • Medicare

    • Other Health Care Provider

    • UnitedHealthcare

    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

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    Dr. William Lewis' Practice 2

    134 Menger Spgs Ste 1120

    Boerne, TX 78006

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    Dr. William Lewis' Practice 3

    4383 Medical Dr

    San Antonio, TX 78229

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    What is Dr. Lewis's NPI number?An 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. 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. Contact Dr. Lewis to book an appointment today.

    Is this Dr. William Lewis affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Lewis is affiliated with Baptist Medical Center - San Antonio, St. Joseph Health Regional Hospital - Bryan, Tx 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

    Where can I learn more about Colon & Rectal Surgeon (Proctologist)?

    Explore Colon & Rectal Surgeon (Proctologist) with 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 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's office at (210) 593-2500 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with William Lewis?

    Please contact Dr. Lewis's office at (210) 593-2500 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. William Lewis have?

    Dr. William Lewis is certified by the American Board of Surgery.

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