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Dr. Margaret Mahaffa

Antioch, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Mahaffa, Emergency Medicine Specialist in Antioch, CA?

    Dr. Margaret Mahaffa is an Emergency Medicine Specialist, who primarily practices in Antioch, CA with 2 additional practice locations. She is board certified. Dr. Mahaffa is fluent in English, and is currently seeing new patients. Dr. Mahaffa’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mahaffa’s office at (925) 295-4000.

    What languages does Dr. Mahaffa speak?

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

    • English

    What conditions does Dr. Mahaffa treat?

    As a Emergency Medicine Specialist, Dr. Mahaffa 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. Mahaffa. 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:

    • 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:

    • 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:

    • Cough
    • Coughing
    • Persistent cough
    • Chronic cough

    ICD-10 Codes:

    • R059: Cough, unspecified

    Also known as:

    • Headache
    • Head pain
    • Cephalalgia
    • Tension headache

    ICD-10 Codes:

    • R519: Headache, unspecified

    Also known as:

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

    ICD-10 Codes:

    • R0789: Other chest pain

    Also known as:

    • Sore Throat
    • Acute pharyngitis
    • Throat inflammation
    • Acute throat infection

    ICD-10 Codes:

    • J029: Acute pharyngitis, 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:

    • Fever
    • High temperature
    • Pyrexia
    • Elevated body temperature

    ICD-10 Codes:

    • R509: Fever, unspecified

    Also known as:

    • Head Injury
    • Head Injuries
    • Head Trauma
    • Cranial Injury
    • Brain Injury

    ICD-10 Codes:

    • S0990XA: Unspecified injury of head, initial encounter

    Also known as:

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

    ICD-10 Codes:

    • R42: Dizziness and giddiness

    Also known as:

    • Back Pain
    • Backache
    • Dorsalgia
    • Spinal Pain

    ICD-10 Codes:

    • M549: Dorsalgia, unspecified

    Also known as:

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

    ICD-10 Codes:

    • R0602: Shortness of breath

    Also known as:

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

    ICD-10 Codes:

    • B349: Viral infection, unspecified

    Also known as:

    • Common Cold
    • Upper Respiratory Infection
    • Head Cold
    • Cold Symptoms

    ICD-10 Codes:

    • J069: Acute upper respiratory infection, unspecified

    Also known as:

    • Cellulitis
    • Skin infection
    • Bacterial skin inflammation
    • Acute skin infection

    ICD-10 Codes:

    • L0390: Cellulitis, unspecified

    Also known as:

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

    ICD-10 Codes:

    • R531: Weakness

    Also known as:

    • Pneumonia
    • Lung Infection
    • Chest Infection
    • Pneumonitis

    ICD-10 Codes:

    • J189: Pneumonia, unspecified organism

    Also known as:

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

    ICD-10 Codes:

    • I509: Heart failure, unspecified

    Also known as:

    • Skin Rash
    • Rashes
    • Skin Eruption
    • Hives
    • Dermatitis
    • Skin Inflammation

    ICD-10 Codes:

    • R21: Rash and other nonspecific skin eruption

    Which procedures does Dr. Mahaffa perform as a Emergency Medicine Specialist?

    As a Emergency Medicine Specialist, procedures performed by an Dr. Margaret Mahaffa may include:

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

    Does Dr. Mahaffa accept my insurance?

    Dr. Mahaffa accepts most major insurance plans. Important: Please call our office at (925) 295-4000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Mahaffa accept in Antioch, CA?

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

    Top Insurances

    • Alameda Alliance

    • All Other Third Party

    • Blue Shield of California

    • Crown Cork and Seal Company

    • Health Plan of San Joaquin

    • Medicare

    • Other TPA

    • Samaritan Health Services

    • San Francisco Health Plan

    • State of Tennessee

    View All Insurances

    Where is Dr. Mahaffa's office located?

    Dr. Margaret Mahaffa's Primary Practice

    4501 Sand Creek Rd

    Antioch, CA 94531

    (925) 295-4000

    Get Directions

    Dr. Margaret Mahaffa's Practice 2

    901 Nevin Ave

    Richmond, CA 94801

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    Dr. Margaret Mahaffa's Practice 3

    1425 S Main St

    Walnut Creek, CA 94596

    Get Directions

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

    Dr. Mahaffa's National Provider Identifier (NPI) number is 1215557426.

    What common questions do patients ask about Dr. Mahaffa?

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

    What is Dr. Margaret Mahaffa's specialty?

    Dr. Mahaffa is a Emergency Medicine Specialist near Antioch, CA. 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. Contact Dr. Mahaffa to book an appointment today.

    Is this Dr. Margaret Mahaffa affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Mahaffa is affiliated with Kaiser Permanente Oakland Medical Center, John Muir Health Concord Medical Center, Stanford Health Care - ValleyCare, Sutter Delta Medical Center, Alta Bates Summit Medical Center - Summit 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 Emergency Medicine Specialist?

    Explore Emergency Medicine Specialist 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 Margaret Mahaffa accepting new patients in Antioch, CA?

    Yes, Dr. Margaret Mahaffa is accepting new patients at this time.

    Does Dr. Margaret Mahaffa offer online booking?

    Please contact Dr. Mahaffa's office at (925) 295-4000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Margaret Mahaffa?

    Please contact Dr. Mahaffa's office at (925) 295-4000 for information regarding telehealth appointment availability or for scheduling assistance.

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