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Dr. John Walker, MD

Surgeon

Galveston, TX

38 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Walker, Surgeon in Galveston, TX?

    Dr. John Walker, MD is a Surgeon, who primarily practices in Galveston, TX with 1 additional practice location. He has been practicing for over 38 years and is board certified. Dr. Walker graduated from Texas A&M University and completed his residency at Univ Tx Med Branch Hosps, General Surgery. Dr. Walker is fluent in English and Spanish, and is currently seeing new patients. Dr. Walker’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Walker’s office at (409) 747-1063.
    CastleConnolyTopDoctors

    Castle Connolly Top Doctor

    Castle Connolly Top Doctors are doctor-nominated and selected by a physician-led research team.

    What are Areas of Expertise for Dr. Walker?

    Dr. John Walker, MD is a highly-rated, board-certified Surgeon known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Walker empowers patients to confidently navigate their health journey, specializing in Colon & Rectal Surgery, Endoscopy, Gallbladder Surgery, Hernia, and comprehensive wellness support. Serving the Galveston, TX community, Dr. Walker is dedicated to enhancing lives through expert, patient-centered care.

    Where did Dr. Walker go to medical school and complete their residency?

    • Residency: Univ Tx Med Branch Hosps, General Surgery | University of Texas Health Science Center at Houston Program

    • Medical School: University of Tx Med Branch Galveston, Galveston Tx | Texas A&M University

    Is Dr. Walker board certified as a Surgeon?

    Yes, Dr. John Walker, MD is board certified by the American Board of Surgery

    What languages does Dr. Walker speak?

    Dr. Walker and their clinical team can communicate with patients in the following languages:

    • English
    • Spanish

    What conditions does a Surgeon like Dr. Walker typically treat?

    As a Surgeon, Dr. Walker 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. Walker. 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:

    • Groin Hernia (One Side)
    • Umbilical Hernia
    • Hernia
    • Inguinal Hernia
    • Unilateral Inguinal Hernia
    • Single Groin Hernia
    • Hernia in One Groin
    • Belly Button Hernia
    • Navel Hernia
    • Umbilical Rupture

    ICD-10 Codes:

    • K4090: Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
    • K429: Umbilical hernia without obstruction or gangrene

    Also known as:

    • Gallstones
    • Cholelithiasis
    • Gallbladder stones
    • Biliary calculi

    ICD-10 Codes:

    • K8020: Calculus of gallbladder without cholecystitis without obstruction

    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:

    • Abdominal Pain
    • Stomach Ache
    • Belly Pain
    • Stomach Pain

    ICD-10 Codes:

    • R109: Unspecified abdominal pain

    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

    What procedures does a Surgeon like Dr. Walker typically perform?

    As a Surgeon, Dr. Walker 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. Walker. 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:

    • Laparoscopic Gallbladder Removal
    • Keyhole Gallbladder Surgery
    • Cholecystectomy Laparoscopic
    • Minimally Invasive Gallbladder Surgery

    CPT Codes:

    • 47562: Laparoscopy, surgical; cholecystectomy

    Also known as:

    • Inguinal Hernia Repair (Adults and Children 5+)
    • Small Abdominal Hernia Repair
    • Groin Hernia Surgery
    • Reducible Inguinal Hernia Repair
    • First Inguinal Hernia Fix
    • Adult Inguinal Hernia Surgery
    • Ventral hernia repair
    • Umbilical hernia surgery
    • Epigastric hernia repair with mesh
    • Incisional hernia repair

    CPT Codes:

    • 49505: Repair initial inguinal hernia, age 5 years or older; reducible
    • 49591: Repair of anterior abdominal hernia(s) (ie, epigastric, incisional, ventral, umbilical, spigelian), any approach (ie, open, laparoscopic, robotic), initial, including implantation of mesh or other prosthesis when performed, total length of defect(s); less than 3 cm, reducible

    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:

    • Individual Speech and Language Therapy
    • Speech-Language Pathology
    • Voice Therapy
    • Communication Disorder Treatment
    • Auditory Processing Therapy

    CPT Codes:

    • 92507: Treatment Of Speech, Language, Voice, Communication, And/Or Auditory Processing Disorder; Individual

    Does Dr. Walker accept my insurance?

    Dr. Walker accepts most major insurance plans. Important: Please call our office at (409) 747-1063 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Walker accept in Galveston, TX?

    Dr. Walker in Galveston, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Health Care Service Corporation

    • Medicare

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Walker's office located?

    Dr. John Walker's Primary Practice

    301 University Blvd

    Galveston, TX 77555

    (409) 747-1063

    Get Directions

    Dr. John Walker's Practice 2

    146 E Hospital Dr Ste 102

    Angleton, TX 77515

    Get Directions

    What hospitals are Dr. Walker affiliated with?

    CastleConnolyTopDoctors

    Castle Connolly Top Hospital

    This doctor is affiliated with a Castle Connolly Top Hospital.

    Dr. Walker has admitting privileges at the following hospitals:

    UTMB Health League City Campus Hospital & Clinics,League City, TX

    What is Dr. Walker's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Walker's National Provider Identifier (NPI) number is 1205948775.

    What common questions do patients ask about Dr. Walker?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Walker

    What is Dr. John Walker's specialty?

    Dr. Walker is a Surgeon near Galveston, TX.

    What does a Surgeon do?

    General surgeons are experts in diagnosing and managing surgical conditions which includes preoperative, operative, and postoperative care, as well as addressing complications. Their expertise include the areas such as the alimentary tract, breast, abdomen, skin and soft tissue, endocrine system, head and neck, pediatric surgery, surgical critical care, surgical oncology, trauma, burns, and vascular surgery. General surgeons increasingly utilize minimally invasive and endoscopic techniques to provide proper care. In addition to this, many general surgeons have expertise in transplantation, plastic, and cardiothoracic surgery.

    Is Dr. John Walker affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Walker is affiliated with John Sealy Hospital, Galveston which is a Castle Connolly Top Hospital. 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 Surgeon?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Surgeon. 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. John Walker accepting new patients in Galveston, TX?

    Yes, Dr. John Walker is accepting new patients at this time.

    Does Dr. John Walker offer online booking?

    Please contact Dr. Walker's office at (409) 747-1063 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. John Walker?

    Please contact Dr. Walker's office at (409) 747-1063 to schedule an appointment.

    Where is Dr. Walker's office located?

    Dr. Walker's offices are located in Galveston, TX and Angleton, TX.

    Which board certifications does Dr. John Walker have?

    Dr. John Walker is certified by the American Board of Surgery.