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Dr. Marco Tomassi, MD

San Diego, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Tomassi, Surgeon in San Diego, CA?

    Dr. Marco Tomassi, MD is a Surgeon, who primarily practices in San Diego, CA with 2 additional practice locations. He is board certified by the American Board of Surgery. Dr. Tomassi completed his residency at Beth Israel Deaconess Med Ctr, General Surgery. Dr. Tomassi is fluent in English, and is currently seeing new patients. Dr. Tomassi’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Tomassi’s office at (858) 573-1504.

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

    • Residency: Beth Israel Deaconess Med Ctr, General Surgery

    • Medical School: New York Med Coll- Valhalla Ny

    Is Dr. Tomassi board certified in Surgeon?

    Yes, Dr. Marco Tomassi, MD is board certified by the American Board of Surgery

    What languages does Dr. Tomassi speak?

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

    • English

    What conditions does Dr. Tomassi treat?

    As a Surgeon, Dr. Tomassi 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. Tomassi. 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:

    • Colorectal Cancer
    • Rectal cancer
    • Colon cancer
    • Bowel cancer
    • Malignant neoplasm of rectum
    • Malignant neoplasm of sigmoid colon
    • Colon Cancer
    • Rectal Cancer
    • Bowel Cancer
    • Colorectal Carcinoma

    ICD-10 Codes:

    • C20: Malignant neoplasm of rectum
    • C187: Malignant neoplasm of sigmoid colon
    • C19: Malignant neoplasm of rectosigmoid junction

    Also known as:

    • Having an Ileostomy
    • Having a Colostomy
    • Ostomy
    • Ostomy Surgery of the Bowel
    • Ileal stoma
    • Bowel diversion surgery
    • Small intestine ostomy
    • Colon stoma
    • Large intestine ostomy

    ICD-10 Codes:

    • Z932: Ileostomy status
    • Z933: Colostomy status

    Also known as:

    • Other Pre-Procedure Examination
    • Pre-Procedure Lab Tests
    • Various pre-op checks
    • Miscellaneous pre-surgery exams
    • Other pre-treatment assessments
    • Pre-op blood work
    • Lab tests before surgery
    • Pre-treatment lab assessment

    ICD-10 Codes:

    • Z01818: Encounter for other preprocedural examination
    • Z01812: Encounter for preprocedural laboratory examination

    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:

    • Large Intestine Diverticulitis with Perforation and Abscess
    • Large Intestine Diverticulitis
    • Abscess
    • Diverticulosis and Diverticulitis
    • Inflamed Colon Diverticula with Abscess
    • Perforated Large Bowel Diverticulitis
    • Inflamed Colon Diverticula
    • Colon Diverticular Inflammation

    ICD-10 Codes:

    • K5720: Diverticulitis of large intestine with perforation and abscess without bleeding
    • K5732: Diverticulitis of large intestine without perforation or abscess without bleeding

    Also known as:

    • History of rectal or anal cancer
    • Colorectal Cancer
    • Past rectal cancer
    • Anal cancer survivor
    • Previous rectosigmoid malignancy

    ICD-10 Codes:

    • Z85048: Personal history of other malignant neoplasm of rectum, rectosigmoid junction, and anus

    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:

    • Acute Appendicitis
    • Appendicitis
    • Inflamed Appendix
    • Sudden Appendix Inflammation
    • Appendicitis Attack

    ICD-10 Codes:

    • K3580: Unspecified acute appendicitis

    Also known as:

    • Intestinal Obstruction
    • Bowel Obstruction
    • Blocked Intestines
    • Gut Blockage

    ICD-10 Codes:

    • K56609: Unspecified intestinal obstruction, unspecified as to partial versus complete obstruction

    Also known as:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    Also known as:

    • Anal Fistula
    • Perianal Fistula
    • Fistula in Anus
    • Rectal Fistula

    ICD-10 Codes:

    • K6030: Anal fistula, unspecified

    Also known as:

    • Ileostomy Care
    • Ostomy
    • Ileostomy Management
    • Small Intestine Stoma Care
    • Ileostomy Follow-up

    ICD-10 Codes:

    • Z432: Encounter for attention to ileostomy

    Also known as:

    • Immunization Visit
    • Vaccines
    • Vaccination appointment
    • Shot visit
    • Immunization encounter

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Which procedures does Dr. Tomassi perform as a Surgeon?

    As a Surgeon, procedures performed by a Dr. Marco Tomassi may include:

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

    Does Dr. Tomassi accept my insurance?

    Dr. Tomassi accepts most major insurance plans. Important: Please call our office at (858) 573-1504 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Tomassi accept in San Diego, CA?

    Dr. Tomassi in San Diego, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • CVS Health (formerly Aetna)

    • Department of Defense / Tricare

    • Kaiser Permanente

    • Medicare

    • Quest

    View All Insurances

    Where is Dr. Tomassi's office located?

    Dr. Marco Tomassi's Primary Practice

    9455 Clairemont Mesa Blvd

    San Diego, CA 92123

    (858) 573-1504

    Get Directions

    Dr. Marco Tomassi's Practice 2

    360 Rush Dr

    San Marcos, CA 92078

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    Dr. Marco Tomassi's Practice 3

    1441 Eastlake Ave Ste 7418

    Los Angeles, CA 90089

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

    Dr. Tomassi's National Provider Identifier (NPI) number is 1710144829.

    What common questions do patients ask about Dr. Tomassi?

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

    What is Dr. Marco Tomassi's specialty?

    Dr. Tomassi is a Surgeon near San Diego, CA. 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. Tomassi to book an appointment today.

    Is this Dr. Marco Tomassi affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Tomassi is affiliated with Kaiser Permanente San Diego Medical Center 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

    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 Marco Tomassi accepting new patients in San Diego, CA?

    Yes, Dr. Marco Tomassi is accepting new patients at this time.

    Does Dr. Marco Tomassi offer online booking?

    Please contact Dr. Tomassi's office at (858) 573-1504 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Marco Tomassi?

    Please contact Dr. Tomassi's office at (858) 573-1504 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Marco Tomassi have?

    Dr. Marco Tomassi is certified by the American Board of Surgery.

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