EverydayHealthLogo
MF

Dr. Mark Fernandez, MD

Peru, IL

34 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Fernandez, Internist in Peru, IL?

    Dr. Mark Fernandez, MD is an Internist, who primarily practices in Peru, IL. He has been practicing for over 34 years and is board certified. Dr. Fernandez graduated from University of Illinois College of Medicine and completed his residency at Truman Med Ctr-West, Internal Medicine. Dr. Fernandez is fluent in English, and is currently seeing new patients. Dr. Fernandez’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Fernandez’s office.

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

    • Residency: Truman Med Ctr-West, Internal Medicine | KCUMB-COMEC/UMKC/Truman Medical Center Lakewood Program

    • Medical School: University Of Il Coll Of Med- Chicago Il | University of Illinois College of Medicine

    Is Dr. Fernandez board certified as an Internist?

    Yes, Dr. Mark Fernandez, MD is board certified by the American Board of Internal Medicine , American Board of Pediatrics

    What languages does Dr. Fernandez speak?

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

    • English

    What conditions does an Internist like Dr. Fernandez typically treat?

    As an Internist, Dr. Fernandez 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. Fernandez. 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 here.

    Also known as:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified

    Also known as:

    • Type 2 Diabetes
    • Diabetes Type 2
    • Type 2 diabetes
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications

    Also known as:

    • Chronic Kidney Disease from High Blood Pressure
    • Chronic Kidney Disease
    • High Blood Pressure
    • Hypertensive Chronic Kidney Disease
    • High Blood Pressure Kidney Disease
    • Hypertension-Related Kidney Disease

    ICD-10 Codes:

    • I129: Hypertensive chronic kidney disease with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease

    Also known as:

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

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • COPD
    • Chronic Obstructive Pulmonary Disease
    • Chronic Lung Disease
    • Emphysema and Chronic Bronchitis

    ICD-10 Codes:

    • J449: Chronic obstructive pulmonary disease, unspecified

    Also known as:

    • Low Back Pain
    • Back Pain
    • Lumbago
    • Lower Back Ache
    • Backache

    ICD-10 Codes:

    • M5450: Low back pain, unspecified

    What procedures does an Internist like Dr. Fernandez typically perform?

    As an Internist, procedures performed by Dr. Mark Fernandez may include:

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

    Does Dr. Fernandez accept my insurance?

    Dr. Fernandez 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. Fernandez accept in Peru, IL?

    Dr. Fernandez in Peru, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Federal government of the United States

    • Health Care Service Corporation

    • Medicare

    • Unknown

    View All Insurances

    Where is Dr. Fernandez's office located?

    Dr. Mark Fernandez's Primary Practice

    920 West St Ste 311

    Peru, IL 61354

    Get Directions

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

    Dr. Fernandez's National Provider Identifier (NPI) number is 1033114939.

    What common questions do patients ask about Dr. Fernandez?

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

    What is Dr. Mark Fernandez's specialty?

    Dr. Fernandez is a Internist near Peru, IL.

    What does an Internist do?

    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.

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

    Yes, Dr. Fernandez is affiliated with Northwestern Medicine Kishwaukee Hospital, Northwestern 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 Internist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Internist. 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 Mark Fernandez accepting new patients in Peru, IL?

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

    Does Dr. Mark Fernandez offer online booking?

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

    How can I make an appointment with Mark Fernandez?

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

    Which board certifications does Dr. Mark Fernandez have?

    Dr. Mark Fernandez is certified by the American Board of Internal Medicine and American Board of Pediatrics.

    <section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>