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Dr. William Contreras, MD

Dr. William Contreras, MD

San Diego, CA

26 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Contreras, Internist in San Diego, CA?

    Dr. William Contreras, MD is an Internist, who primarily practices in San Diego, CA with 2 additional practice locations. He has been practicing for over 26 years and is board certified by the American Board of Internal Medicine. Dr. Contreras completed his residency at Nyu Hospitals Center, Internal Medicine. Dr. Contreras is fluent in English and Spanish, and is currently seeing new patients. Dr. Contreras’s practice accepts UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Contreras’s office.

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

    • Residency: Nyu Hospitals Center, Internal Medicine | New York University (NYU) Affiliated Hospitals | Med University

    • Medical School: Suny-Hlth Sci Ctr At Brooklyn, Coll of Med, Brooklyn Ny

    Is Dr. Contreras board certified in Internist?

    Yes, Dr. William Contreras, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Contreras speak?

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

    • English

    • Spanish

    What conditions does Dr. Contreras treat?

    As a Internist, Dr. Contreras 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. Contreras. 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:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    Also known as:

    • Acute Respiratory Failure with Low Oxygen
    • Acute Respiratory Failure
    • Respiratory Failure
    • Sudden lung failure with low oxygen
    • Hypoxic respiratory failure
    • Acute breathing failure with hypoxia
    • Sudden lung failure
    • Acute breathing failure
    • Rapid onset respiratory failure

    ICD-10 Codes:

    • J9601: Acute respiratory failure with hypoxia
    • J9600: Acute respiratory failure, unspecified whether with hypoxia or hypercapnia

    Also known as:

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

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

    • Heart Failure
    • Congestive Heart Failure
    • CHF
    • Cardiac Insufficiency

    ICD-10 Codes:

    • I509: Heart failure, unspecified

    Also known as:

    • Pneumonia
    • Lung Infection
    • Chest Infection
    • Pneumonitis

    ICD-10 Codes:

    • J189: Pneumonia, unspecified organism

    Also known as:

    • Fainting
    • Syncope
    • Passing out
    • Collapse

    ICD-10 Codes:

    • R55: Syncope and collapse

    Also known as:

    • High Blood Pressure Heart Disease with Heart Failure
    • Heart Failure
    • High Blood Pressure
    • Hypertensive Heart Failure
    • High Blood Pressure Causing Heart Failure

    ICD-10 Codes:

    • I110: Hypertensive heart disease with heart failure

    Also known as:

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Pectoral pain

    ICD-10 Codes:

    • R0789: Other chest pain

    Also known as:

    • Acute Kidney Failure
    • Kidney Failure
    • Acute Renal Failure
    • Sudden Kidney Failure

    ICD-10 Codes:

    • N179: Acute kidney failure, unspecified

    Also known as:

    • Urinary Tract Infection
    • UTI
    • Bladder infection
    • Kidney infection
    • Urine infection

    ICD-10 Codes:

    • N390: Urinary tract infection, site not specified

    Also known as:

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

    ICD-10 Codes:

    • R531: Weakness

    Also known as:

    • Brain disease (encephalopathy)
    • Brain Disease
    • Brain disorder
    • Brain dysfunction
    • Encephalopathy

    ICD-10 Codes:

    • G9340: Encephalopathy, unspecified

    Also known as:

    • COVID-19
    • COVID-19 (Coronavirus Disease 2019)
    • Coronavirus Disease 2019
    • SARS-CoV-2 Infection
    • Novel Coronavirus

    ICD-10 Codes:

    • U071: COVID-19

    Also known as:

    • High Blood Pressure Heart and Kidney Disease with Heart Failure
    • Chronic Kidney Disease
    • Heart Failure
    • High Blood Pressure
    • Hypertensive Cardiorenal Syndrome
    • Heart and Kidney Failure from High Blood Pressure

    ICD-10 Codes:

    • I130: Hypertensive heart and chronic kidney disease with heart failure and stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease

    Also known as:

    • Gastrointestinal Bleeding
    • Gastrointestinal (GI) Bleeding
    • GI Bleeding
    • Internal Digestive Bleeding
    • Digestive Tract Hemorrhage

    ICD-10 Codes:

    • K922: Gastrointestinal hemorrhage, unspecified

    Also known as:

    • Atrial Fibrillation
    • Afib
    • A-fib
    • Irregular heart rhythm

    ICD-10 Codes:

    • I4891: Unspecified atrial fibrillation

    Also known as:

    • COPD Flare-Up
    • COPD
    • COPD Exacerbation
    • Chronic Obstructive Pulmonary Disease Flare-Up
    • Worsening COPD
    • COPD Attack

    ICD-10 Codes:

    • J441: Chronic obstructive pulmonary disease with (acute) exacerbation

    Also known as:

    • Anemia
    • Low Red Blood Cell Count
    • Low Hemoglobin
    • Iron deficiency

    ICD-10 Codes:

    • D649: Anemia, 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

    Which procedures does Dr. Contreras perform as a Internist?

    As a Internist, procedures performed by an Dr. William Contreras may include:

    For detailed information, please contact Dr. Contreras' office.

    Does Dr. Contreras accept my insurance?

    Dr. Contreras accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.

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

    Dr. Contreras 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

    • Blue Shield of California

    • Centene

    • Community Health Group

    • CVS Health (formerly Aetna)

    • Other Provider Networks

    • Peak

    • Sharp Health Plan

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Contreras' office located?

    Dr. William Contreras' Primary Practice

    2020 Genesee Ave

    San Diego, CA 92123

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    Dr. William Contreras' Practice 2

    2929 Health Center Dr

    San Diego, CA 92123

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    Dr. William Contreras' Practice 3

    751 Medical Center Ct

    Chula Vista, CA 91911

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

    Dr. Contreras's National Provider Identifier (NPI) number is 1780694273.

    What common questions do patients ask about Dr. Contreras?

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

    What is Dr. William Contreras's specialty?

    Dr. Contreras is a Internist near San Diego, CA.

    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

    Contact Dr. Contreras to book an appointment today.

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

    Yes, Dr. Contreras is affiliated with Sharp Chula Vista 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 Internist?

    Explore Internist 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 Contreras accepting new patients in San Diego, CA?

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

    Does Dr. William Contreras offer online booking?

    Please contact Dr. Contreras's office for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with William Contreras?

    Please contact Dr. Contreras's office for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. William Contreras have?

    Dr. William Contreras is certified by the American Board of Internal Medicine.

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