MF
34 Years of Experience
Accepting patients
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 by the American Board of Internal Medicine and American Board of Pediatrics. 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, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Fernandez’s office at (815) 223-9214.
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 in 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 Dr. Fernandez treat?
As a 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.
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:
- Vitamin D Deficiency
- Low Vitamin D Levels
- Lack of Vitamin D
- Hypovitaminosis D
ICD-10 Codes:
- E559: Vitamin D deficiency, unspecified
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:
- Hypothyroidism
- Congenital hypothyroidism
- Hypothyroidism (Underactive Thyroid)
- Underactive Thyroid
- Low Thyroid Function
ICD-10 Codes:
- E039: Hypothyroidism, unspecified
Also known as:
- Mixed High Cholesterol and Triglycerides
- Cholesterol
- Triglycerides
- Mixed hyperlipidemia
- Combined hyperlipidemia
- High lipids
ICD-10 Codes:
- E782: Mixed hyperlipidemia
Also known as:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Hardening of the Arteries in the Heart without Chest Pain
- Atherosclerosis
- Coronary Artery Disease
- Silent Coronary Artery Disease
- Asymptomatic Atherosclerosis
ICD-10 Codes:
- I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris
Also known as:
- Other Chronic Pain Condition
- Chronic Pain
- Various chronic pain
- Unspecified long-term pain
- Persistent pain disorders
ICD-10 Codes:
- G8929: Other chronic pain
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
Which procedures does Dr. Fernandez perform as a Internist?
As a Internist, procedures performed by an Dr. Mark Fernandez may include:
- Ambulatory Care Consultation
- Annual Check Up
- Annual Physical
- Aromatherapy
- Bladder and Bowel Management
- Blood Pressure Testing
- Bowel and Bladder Management
- Certified Medical Examination for Commercial Driver / Vessel Master
For detailed information, please contact Dr. Fernandez's office.
Does Dr. Fernandez accept my insurance?
Dr. Fernandez accepts most major insurance plans. Important: Please call our office at (815) 223-9214 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
All Other Third Party
CVS Health (formerly Aetna)
Department of Veterans Affairs
Farm Bureau Health Plans
Health Care Service Corporation (HCSC)
Medicare
Molina
Mutual of Omaha
Physicians Mutual Insurance Company
UnitedHealthcare
View All Insurances
Where is Dr. Fernandez's office located?
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.
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. Fernandez to book an appointment today.Is this Dr. Mark Fernandez affiliated with a ranked Castle Connolly Top Hospital?
No, Fernandez is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Edward Hines Junior Hospital. Castle Connolly Top Hospitals 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 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 at (815) 223-9214 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 at (815) 223-9214 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.
Other Internist Near Peru, IL
Internist
Accepting patientsDr. Joel Leifheit, MD is an Internist, who primarily practices in Peru, IL. He has been practicing for over 25 years and is board certified by the American Board of Internal Medicine and American Board of Pediatrics.
Peru, IL
DA
Internist
Accepting patientsDr. Dexter Angeles, MD is an Internist, who primarily practices in Peru, IL with 2 additional practice locations. He is board certified.
Peru, IL
LL
Internist
Accepting patientsDr. Louis Lukancic, MD is an Internist, who primarily practices in Spring Valley, IL with 2 additional practice locations. He is board certified by the American Board of Family Medicine.
Spring Valley, IL