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Dr. William Marshall, DO

Dr. William Marshall, DO

Bristol, CT

20 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Marshall, Critical Care Surgeon in Bristol, CT?

    Dr. William Marshall, DO is a Critical Care Surgeon, who primarily practices in Bristol, CT with 2 additional practice locations. He has been practicing for over 20 years and is board certified by the American Board of Surgery. Dr. Marshall graduated from College Of Osteopathic Medicine. Dr. Marshall is fluent in English, and is currently seeing new patients. Dr. Marshall’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Marshall’s office at (914) 493-7927.

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

    • Medical School: College Of Osteopathic Medicine | New York Institute of Technology College of Osteopathic Medicine

    Is Dr. Marshall board certified in Critical Care Surgeon?

    Yes, Dr. William Marshall, DO is board certified by the American Board of Surgery

    What languages does Dr. Marshall speak?

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

    • English

    What conditions does Dr. Marshall treat?

    As a Critical Care Surgeon, Dr. Marshall 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. Marshall. 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:

    • Chronic Venous Hypertension with Ulcers
    • Vascular Disease
    • Venous Hypertension Ulcers
    • High Venous Pressure with Sores

    ICD-10 Codes:

    • I87312: Chronic venous hypertension (idiopathic) with ulcer of left lower extremity

    Also known as:

    • Arrhythmia
    • Irregular heartbeat
    • Heart rhythm disorder
    • Cardiac arrhythmia

    ICD-10 Codes:

    • I459: Conduction disorder, unspecified

    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

    What procedures does Dr. Marshall perform?

    As a Critical Care Surgeon, Dr. Marshall 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. Marshall. 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:

    • Colonoscopy with Biopsy
    • Colonoscopy with Polyp Removal
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision

    CPT Codes:

    • 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:

    • 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. Marshall accept my insurance?

    Dr. Marshall accepts most major insurance plans. Important: Please call our office at (914) 493-7927 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Marshall accept in Bristol, CT?

    Dr. Marshall in Bristol, CT accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • BlueCross and BlueShield of Vermont

    • CarePartners of Connecticut

    • Corporate Services

    • CVS Health (formerly Aetna)

    • Medicare

    • State of Connecticut

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Marshall's office located?

    Dr. William Marshall's Primary Practice

    41 Brewster Rd

    Bristol, CT 06010

    (914) 493-7927

    Get Directions

    Dr. William Marshall's Practice 2

    25 Newell Rd Ste D28

    Bristol, CT 06010

    (860) 582-1220

    Get Directions

    Dr. William Marshall's Practice 3

    167 Main St

    Southington, CT 06489

    Get Directions

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

    Dr. Marshall's National Provider Identifier (NPI) number is 1174533061.

    What common questions do patients ask about Dr. Marshall?

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

    What is Dr. William Marshall's specialty?

    Dr. Marshall is a Critical Care Surgeon near Bristol, CT. A surgeon specializing in critical care medicine is an expert in managing critically ill and postoperative patients, particularly trauma victims. They are responsible to diagnose, treat, and support patients with multiple organ dysfunction. In addition to clinical care, these specialists may oversee the administration of intensive care units and coordinate patient care between the primary physician, critical care staff, and other specialists. Contact Dr. Marshall to book an appointment today.

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

    Yes, Dr. Marshall is affiliated with Bristol Hospital, The Hospital of Central Connecticut - New Britain General Campus 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 Critical Care Surgeon?

    Explore Critical Care 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 William Marshall accepting new patients in Bristol, CT?

    Yes, Dr. William Marshall is accepting new patients at this time.

    Does Dr. William Marshall offer online booking?

    Please contact Dr. Marshall's office at (914) 493-7927 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with William Marshall?

    Please contact Dr. Marshall's office at (914) 493-7927 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. William Marshall have?

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

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