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Dr. Mark Thanassi, MD

Emergency Medicine Specialist

Santa Clara, CA

26 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Thanassi, Emergency Medicine Specialist in Santa Clara, CA?

    Dr. Mark Thanassi, MD is an Emergency Medicine Specialist, who primarily practices in Santa Clara, CA with 1 additional practice location. He has been practicing for over 26 years and is board certified. Dr. Thanassi completed his residency at Stanford Univ Hosp, Emergency Medicine. Dr. Thanassi is fluent in English, and is currently seeing new patients. Dr. Thanassi’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Thanassi’s office at (408) 851-1000.

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

    • Residency: Stanford Univ Hosp, Emergency Medicine

    • Medical School: University of Vt Coll of Med, Burlington Vt

    Is Dr. Thanassi board certified as an Emergency Medicine Specialist?

    Yes, Dr. Mark Thanassi, MD is board certified by the American Board of Emergency Medicine

    What languages does Dr. Thanassi speak?

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

    • English

    What conditions does an Emergency Medicine Specialist like Dr. Thanassi typically treat?

    As an Emergency Medicine Specialist, Dr. Thanassi 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. Thanassi. 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:

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

    ICD-10 Codes:

    • R109: Unspecified abdominal pain

    Also known as:

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Upper body pain

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

    • Viral Infection
    • Virus Infection
    • Viral Illness
    • Common Virus

    ICD-10 Codes:

    • B349: Viral infection, unspecified

    Also known as:

    • Nausea and Vomiting
    • Feeling Sick and Throwing Up
    • Stomach Flu Symptoms
    • Queasy and Vomiting

    ICD-10 Codes:

    • R112: Nausea with vomiting, unspecified

    Also known as:

    • Sudden Airway Spasm
    • Bronchial Disorder
    • Acute airway constriction
    • Bronchial spasm
    • Sudden narrowing of airways

    ICD-10 Codes:

    • J9801: Acute bronchospasm

    Also known as:

    • Muscle Weakness
    • Muscle Disorder
    • Loss of strength
    • Fatigue
    • Muscle fatigue

    ICD-10 Codes:

    • R531: Weakness

    Also known as:

    • Shortness of Breath
    • Breathing Problems
    • Difficulty breathing
    • Breathlessness
    • Dyspnea

    ICD-10 Codes:

    • R0602: Shortness of breath

    Also known as:

    • Dizziness
    • Dizziness and Vertigo
    • Lightheadedness
    • Giddiness
    • Vertigo

    ICD-10 Codes:

    • R42: Dizziness and giddiness

    What procedures does an Emergency Medicine Specialist like Dr. Thanassi typically perform?

    As an Emergency Medicine Specialist, procedures performed by Dr. Mark Thanassi may include:

    Please contact Dr. Thanassi's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.

    Does Dr. Thanassi accept my insurance?

    Dr. Thanassi accepts most major insurance plans. Important: Please call our office at (408) 851-1000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Thanassi accept in Santa Clara, CA?

    Dr. Thanassi in Santa Clara, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Alignment Healthcare

    • Hill Physicians Medical Group

    • Kaiser Permanente

    • Medicare

    • OptumRx Administered Payer

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Thanassi's office located?

    Dr. Mark Thanassi's Primary Practice

    700 Lawrence Expy

    Santa Clara, CA 95051

    (408) 851-1000

    Get Directions

    Dr. Mark Thanassi's Practice 2

    900 Kiely Blvd

    Santa Clara, CA 95051

    Get Directions

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

    Dr. Thanassi's National Provider Identifier (NPI) number is 1104903038.

    What common questions do patients ask about Dr. Thanassi?

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

    What is Dr. Mark Thanassi's specialty?

    Dr. Thanassi is an Emergency Medicine Specialist near Santa Clara, CA.

    What does an Emergency Medicine Specialist do?

    An emergency physician is dedicated to making prompt decision and taking necessary actions essential for preventing death or additional disabilities. This role encompasses guiding emergency medical technicians in pre-hospital environments as well as providing care within the emergency department. The emergency physician is responsible for the immediate identification, evaluation, treatment, stabilization, and arrangement of a diverse array of adult and pediatric patients facing acute illnesses and injuries.

    Is Dr. Mark Thanassi affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Thanassi is affiliated with Kaiser Permanente Santa Clara Medical Center, Stanford Health Care - Stanford Hospital, Woodland Memorial Hospital 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

    When to see an Emergency Medicine Specialist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Emergency Medicine Specialist. 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. Mark Thanassi accepting new patients in Santa Clara, CA?

    Yes, Dr. Mark Thanassi is accepting new patients at this time.

    Does Dr. Mark Thanassi offer online booking?

    Please contact Dr. Thanassi's office at (408) 851-1000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Mark Thanassi?

    Please contact Dr. Thanassi's office at (408) 851-1000 to schedule an appointment.

    Where is Dr. Thanassi's office located?

    Dr. Thanassi's office is located in Santa Clara, CA.

    Which board certifications does Dr. Mark Thanassi have?

    Dr. Mark Thanassi is certified by the American Board of Emergency Medicine.