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Dr. John Mertz, MD, PHD

Emergency Medicine Specialist

Saint Cloud, MN

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Mertz, Emergency Medicine Specialist in Saint Cloud, MN?

    Dr. John Mertz, MD, PHD is an Emergency Medicine Specialist, who primarily practices in Saint Cloud, MN with 2 additional practice locations. He is board certified. Dr. Mertz completed his residency at Hennepin Co Med Ctr, Emergency Medicine. Dr. Mertz is fluent in English, and is currently seeing new patients. Dr. Mertz’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mertz’s office at (320) 255-5657.

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

    • Residency: Hennepin Co Med Ctr, Emergency Medicine

    • Medical School: University of Mn Med Sch-Minneapolis, Minneapolis Mn

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

    Yes, Dr. John Mertz, MD, PHD is board certified by the American Board of Emergency Medicine

    What languages does Dr. Mertz speak?

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

    • English

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

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

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

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

    • Abnormal EKG
    • Heart Health Tests
    • Irregular Electrocardiogram
    • Unusual Heart Rhythm Test
    • ECG Abnormalities

    ICD-10 Codes:

    • R9431: Abnormal electrocardiogram [ECG] [EKG]

    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:

    • Fainting
    • Syncope
    • Passing out
    • Collapse

    ICD-10 Codes:

    • R55: Syncope and collapse

    Also known as:

    • Fast Heartbeat
    • Arrhythmia
    • Tachycardia
    • Rapid heart rate
    • Racing heart

    ICD-10 Codes:

    • R000: Tachycardia, unspecified

    Also known as:

    • Exposure to COVID-19
    • COVID-19 (Coronavirus Disease 2019)
    • COVID-19 contact
    • Suspected coronavirus exposure
    • SARS-CoV-2 exposure

    ICD-10 Codes:

    • Z20822: Contact with and (suspected) exposure to COVID-19

    Also known as:

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

    ICD-10 Codes:

    • R531: Weakness

    Also known as:

    • Headache
    • Head pain
    • Cephalalgia
    • Tension headache

    ICD-10 Codes:

    • R519: Headache, unspecified

    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
    • Pectoral pain

    ICD-10 Codes:

    • R0789: Other chest pain

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

    As an Emergency Medicine Specialist, procedures performed by Dr. John Mertz may include:

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

    Does Dr. Mertz accept my insurance?

    Dr. Mertz accepts most major insurance plans. Important: Please call our office at (320) 255-5657 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Mertz accept in Saint Cloud, MN?

    Dr. Mertz in Saint Cloud, MN accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Medica Group

    • Medicare

    • PrimeWest Health

    View All Insurances

    Where is Dr. Mertz's office located?

    Dr. John Mertz's Primary Practice

    1406 6th Ave N

    Saint Cloud, MN 56303

    (320) 255-5657

    Get Directions

    Dr. John Mertz's Practice 2

    10351 Xylon Ave N Ste 190

    Brooklyn Park, MN 55445

    Get Directions

    Dr. John Mertz's Practice 3

    200 W 1st St

    Paynesville, MN 56362

    Get Directions

    What hospitals are Dr. Mertz affiliated with?

    CastleConnolyTopDoctors

    Castle Connolly Top Hospital

    This doctor is affiliated with a Castle Connolly Top Hospital.

    Dr. Mertz has admitting privileges at the following hospitals:

    Centracare - Paynesville Hospital,Paynesville, MN
    Centracare - Melrose,Melrose, MN
    St. Cloud Hospital,Saint Cloud, MN

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

    Dr. Mertz's National Provider Identifier (NPI) number is 1346217874.

    What common questions do patients ask about Dr. Mertz?

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

    What is Dr. John Mertz's specialty?

    Dr. Mertz is an Emergency Medicine Specialist near Saint Cloud, MN.

    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. John Mertz affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Mertz is affiliated with Hcmc Red Building, M Health Fairview Southdale 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. John Mertz accepting new patients in Saint Cloud, MN?

    Yes, Dr. John Mertz is accepting new patients at this time.

    Does Dr. John Mertz offer online booking?

    Please contact Dr. Mertz's office at (320) 255-5657 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. John Mertz?

    Please contact Dr. Mertz's office at (320) 255-5657 to schedule an appointment.

    Where is Dr. Mertz's office located?

    Dr. Mertz's offices are located in Saint Cloud, MN, Brooklyn Park, MN, and Paynesville, MN.

    Which board certifications does Dr. John Mertz have?

    Dr. John Mertz is certified by the American Board of Emergency Medicine.