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Dr. Guillermo Marquez, MD

Dr. Guillermo Marquez, MD

Mission, TX

31 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Marquez, Surgeon in Mission, TX?

    Dr. Guillermo Marquez, MD is a Surgeon, who primarily practices in Mission, TX. He has been practicing for over 31 years and is board certified by the American Board of Surgery. Dr. Marquez graduated from Autonomous University of San Luis Potosi / Faculty of Medicine and completed his residency at Cook County Hospital and Columbus Hospital. Dr. Marquez is fluent in English and Spanish, and is currently seeing new patients. Dr. Marquez’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Marquez’s office at (956) 682-6126.

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

    • Residency: Cook County Hospital and Columbus Hospital | Memorial Hermann Hospital System Program

    • Medical School: Autonomous University of Juarez Mexico | Autonomous University of San Luis Potosi / Faculty of Medicine | Autonomous University of San Luis Potosi / Faculty of Medicine | Universidad Nacional Autonoma de Honduras Facultad de Ciencias Medicas

    Is Dr. Marquez board certified in Surgeon?

    Yes, Dr. Guillermo Marquez, MD is board certified by the American Board of Surgery

    What languages does Dr. Marquez speak?

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

    • English

    • Spanish

    What conditions does Dr. Marquez treat?

    As a Surgeon, Dr. Marquez 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. Marquez. 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:

    • Cystic Breast Changes in Right Breast
    • Breast Disease
    • Fibrocystic right breast
    • Diffuse breast cysts right side
    • Right breast cystic disease

    ICD-10 Codes:

    • N6011: Diffuse cystic mastopathy of right breast

    Also known as:

    • Chronic Gallbladder Inflammation
    • Gallstones with Chronic Gallbladder Inflammation
    • Gallbladder Disease
    • Bile Duct Disease
    • Gallstones
    • Long-term Gallbladder Inflammation
    • Chronic Cholecystitis
    • Ongoing Gallbladder Issues
    • Chronic cholecystitis with gallstones
    • Long-term gallbladder inflammation

    ICD-10 Codes:

    • K811: Chronic cholecystitis
    • K8010: Calculus of gallbladder with chronic cholecystitis without obstruction

    Also known as:

    • Umbilical Hernia
    • Groin Hernia (One Side)
    • Obstructed Belly Button Hernia
    • Hernia
    • Inguinal Hernia
    • Intestinal Obstruction
    • Belly Button Hernia
    • Navel Hernia
    • Umbilical Rupture
    • Unilateral Inguinal Hernia
    • Single Groin Hernia
    • Hernia in One Groin
    • Umbilical Hernia with Obstruction
    • Blocked Belly Button Hernia
    • Strangulated Umbilical Hernia

    ICD-10 Codes:

    • K429: Umbilical hernia without obstruction or gangrene
    • K4090: Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
    • K420: Umbilical hernia with obstruction, without gangrene

    Also known as:

    • Other Pre-Procedure Examination
    • Various pre-op checks
    • Miscellaneous pre-surgery exams
    • Other pre-treatment assessments

    ICD-10 Codes:

    • Z01818: Encounter for other preprocedural examination

    Also known as:

    • End-Stage Kidney Disease
    • Kidney Failure
    • Chronic Kidney Disease (CKD)
    • Helping Your Child Adapt to Life with Chronic Kidney Disease
    • ESRD
    • End-Stage Renal Failure

    ICD-10 Codes:

    • N186: End stage renal disease

    Also known as:

    • Lump in Left Breast
    • Lump in Right Breast
    • Breast Disease
    • Left breast mass
    • Left breast lesion
    • Left breast nodule
    • Right breast mass
    • Right breast lesion
    • Right breast nodule

    ICD-10 Codes:

    • N6320: Unspecified lump in the left breast, unspecified quadrant
    • N6310: Unspecified lump in the right breast, unspecified quadrant

    Also known as:

    • Mammogram for Breast Cancer Screening
    • Health Screening
    • Mammography
    • Breast Cancer Screening (PDQ®)
    • Mammograms
    • Breast X-ray
    • Breast Cancer Check

    ICD-10 Codes:

    • Z1231: Encounter for screening mammogram for malignant neoplasm of breast

    Also known as:

    • Fibrocystic Breast Changes
    • Breast Disease
    • Cystic breasts
    • Fibrocystic disease
    • Lumpy breasts

    ICD-10 Codes:

    • N6012: Diffuse cystic mastopathy of left breast
    • N6019: Diffuse cystic mastopathy of unspecified breast

    Also known as:

    • Sebaceous Cyst
    • Skin Condition
    • Epidermoid Cyst
    • Keratin Cyst
    • Skin Lump

    ICD-10 Codes:

    • L723: Sebaceous cyst

    Also known as:

    • Abnormal Breast Imaging Results
    • Mammography
    • Inconclusive mammogram
    • Unclear breast scan results
    • Abnormal breast scan

    ICD-10 Codes:

    • R928: Other abnormal and inconclusive findings on diagnostic imaging of breast

    Also known as:

    • Follow-up After Treatment (Non-Cancer)
    • Post-Treatment Check-up
    • Aftercare Visit
    • Recovery Monitoring Exam

    ICD-10 Codes:

    • Z09: Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm

    Also known as:

    • Benign Lipoma of Trunk
    • Benign Tumor
    • Non-cancerous fatty lump on body
    • Trunk lipoma
    • Body fatty tumor

    ICD-10 Codes:

    • D171: Benign lipomatous neoplasm of skin and subcutaneous tissue of trunk

    Also known as:

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

    ICD-10 Codes:

    • R109: Unspecified abdominal pain

    Also known as:

    • Nontoxic Multinodular Goiter
    • Thyroid Disease
    • Multinodular Goiter
    • Lumpy Enlarged Thyroid

    ICD-10 Codes:

    • E042: Nontoxic multinodular goiter

    Also known as:

    • Single Nontoxic Thyroid Nodule
    • Thyroid Disease
    • Benign Thyroid Nodule
    • Solitary Thyroid Nodule

    ICD-10 Codes:

    • E041: Nontoxic single thyroid nodule

    Which procedures does Dr. Marquez perform as a Surgeon?

    As a Surgeon, procedures performed by a Dr. Guillermo Marquez may include:

    For detailed information, please contact Dr. Marquez's office.

    Does Dr. Marquez accept my insurance?

    Dr. Marquez accepts most major insurance plans. Important: Please call our office at (956) 682-6126 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Marquez accept in Mission, TX?

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

    Top Insurances

    • All Other Third Party

    • Ascension Health

    • Centene

    • CVS Health (formerly Aetna)

    • Express Scripts

    • Health Care Service Corporation (HCSC)

    • Medicaid

    • Medicare

    • State of Texas

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Marquez's office located?

    Dr. Guillermo Marquez's Primary Practice

    910 S Bryan Rd Ste 202

    Mission, TX 78572

    (956) 682-6126

    Get Directions

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

    Dr. Marquez's National Provider Identifier (NPI) number is 1861454563.

    What common questions do patients ask about Dr. Marquez?

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

    What is Dr. Guillermo Marquez's specialty?

    Dr. Marquez is a Surgeon near Mission, TX. 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. Contact Dr. Marquez to book an appointment today.

    Is this Dr. Guillermo Marquez affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Marquez is affiliated with Mission Regional Medical Center, Dhr Health 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 Surgeon?

    Explore Surgeon 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 Guillermo Marquez accepting new patients in Mission, TX?

    Yes, Dr. Guillermo Marquez is accepting new patients at this time.

    Does Dr. Guillermo Marquez offer online booking?

    Please contact Dr. Marquez's office at (956) 682-6126 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Guillermo Marquez?

    Please contact Dr. Marquez's office at (956) 682-6126 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Guillermo Marquez have?

    Dr. Guillermo Marquez is certified by the American Board of Surgery.

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