JN
32 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Nicolas, Internist in Chicago, IL?
Dr. John Nicolas, MD is an Internist, who primarily practices in Chicago, IL with 2 additional practice locations. He has been practicing for over 32 years and is board certified. Dr. Nicolas completed his residency at Northwestern Mem Hosp, Internal Medicine. Dr. Nicolas is fluent in English, and is currently seeing new patients. Dr. Nicolas’s practice accepts Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Nicolas’s office at (312) 472-4151.
What are Areas of Expertise for Dr. Nicolas?
Dr. John Nicolas, MD is a highly-rated, board-certified Internist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Nicolas empowers patients to confidently navigate their health journey, specializing in Adult Medicine, Comprehensive Primary Care, Diabetes, Hypertension, Preventive Medicine, or comprehensive wellness support. Serving the Chicago/IL community, Dr. Nicolas is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Nicolas go to medical school and complete their residency?
Residency: Northwestern Mem Hosp, Internal Medicine | Northwestern Mem Hospital
Medical School: Loyola Univ of Chicago Stritch Sch of Med, Maywood Il
Is Dr. Nicolas board certified as an Internist?
Yes, Dr. John Nicolas, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Nicolas speak?
Dr. Nicolas and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Nicolas treat?
As an Internist, Dr. Nicolas 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. Nicolas. 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:
- Routine Adult Health Checkup
- Health Checkup
- Adult physical exam
- Annual wellness visit for adults
- General adult medical exam
ICD-10 Codes:
- Z0000: Encounter for general adult medical examination without abnormal findings
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
- Hypercholesterolemia
- High blood cholesterol
- Elevated cholesterol
- Hyperlipidemia
- High lipids
- Dyslipidemia
ICD-10 Codes:
- E7800: Pure hypercholesterolemia, unspecified
- E785: Hyperlipidemia, unspecified
Also known as:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
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:
- Mammogram for Breast Cancer Screening
- Health Screening
- Mammography
- Breast Cancer Screening (PDQ®)
- Mammograms
- Breast X-ray
- Breast Cancer Check
ICD-10 Codes:
- Z1231: Encounter for screening mammogram for malignant neoplasm of breast
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:
- Hypothyroidism
- Congenital hypothyroidism
- Hypothyroidism (Underactive Thyroid)
- Underactive Thyroid
- Low Thyroid Function
ICD-10 Codes:
- E039: Hypothyroidism, unspecified
Also known as:
- Other Specific Abnormal Blood Chemistry Results
- Blood
- Specified Blood Chemistry Imbalance
- Unusual Blood Chemistry Findings
- Specific Blood Panel Abnormalities
ICD-10 Codes:
- R7989: Other specified abnormal findings of blood chemistry
Also known as:
- Other Specific B Vitamin Deficiency
- B Vitamins
- Malnutrition
- Specific B Vitamin Shortage
- Less Common B Vitamin Deficiency
- Rare B Vitamin Deficiency
ICD-10 Codes:
- E538: Deficiency of other specified B group vitamins
Also known as:
- Anemia
- Low Red Blood Cell Count
- Low Hemoglobin
- Iron deficiency
ICD-10 Codes:
- D649: Anemia, unspecified
Also known as:
- Low Potassium
- Fluid and Electrolyte Balance
- Potassium
- Hypokalemia
- Potassium Deficiency
ICD-10 Codes:
- E876: Hypokalemia
Also known as:
- Abnormal Blood Sugar
- Blood Glucose
- High blood glucose
- Low blood glucose
- Glucose intolerance
ICD-10 Codes:
- R7309: Other abnormal glucose
Also known as:
- Long-Term Blood Thinner Use
- Blood Thinners
- Chronic anticoagulant therapy
- Ongoing blood thinner treatment
- Anticoagulant medication use
ICD-10 Codes:
- Z7901: Long term (current) use of anticoagulants
Also known as:
- Abnormal Findings on Scans of Other Specific Body Structures
- Unusual Scan Results (Other Body Parts)
- Atypical Imaging Findings (Other)
- Abnormal X-ray/MRI/CT (Other)
ICD-10 Codes:
- R9389: Abnormal findings on diagnostic imaging of other specified body structures
Also known as:
- High Blood Sugar
- Hyperglycemia
- Elevated Glucose
- Unspecified High Blood Sugar
ICD-10 Codes:
- R739: Hyperglycemia, unspecified
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 Pre-Procedure Examination
- Various pre-op checks
- Miscellaneous pre-surgery exams
- Other pre-treatment assessments
ICD-10 Codes:
- Z01818: Encounter for other preprocedural examination
Also known as:
- Other Abnormal Findings on Lung Scan
- Unusual Lung Scan Results
- Atypical Lung Imaging
- Nonspecific Lung Abnormality
ICD-10 Codes:
- R918: Other nonspecific abnormal finding of lung field
Which procedures does Dr. Nicolas perform as an Internist?
As an Internist, procedures performed by Dr. John Nicolas 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. Nicolas' office.
Does Dr. Nicolas accept my insurance?
Dr. Nicolas accepts most major insurance plans. Important: Please call our office at (312) 472-4151 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Nicolas accept in Chicago, IL?
Dr. Nicolas in Chicago, 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)
Express Scripts
Federal Employee Program
Health Care Service Corporation (HCSC)
Humana
Medicare
State of Nevada
State of Tennessee
UnitedHealthcare
View All Insurances
Where is Dr. Nicolas' office located?
Dr. John Nicolas' Primary Practice
635 N Fairbanks Ct Fl 1
Chicago, IL 60611
(312) 472-4151
What is Dr. Nicolas's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Nicolas's National Provider Identifier (NPI) number is 1417940917.
What common questions do patients ask about Dr. Nicolas?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Nicolas
What is Dr. John Nicolas's specialty?
Dr. Nicolas is a Internist near Chicago, 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. Nicolas to book an appointment today.Is this Dr. John Nicolas affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Nicolas is affiliated with Northwestern Memorial Hospital 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 John Nicolas accepting new patients in Chicago, IL?
Yes, Dr. John Nicolas is accepting new patients at this time.
Does Dr. John Nicolas offer online booking?
Please contact Dr. Nicolas's office at (312) 472-4151 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Nicolas?
Please contact Dr. Nicolas's office at (312) 472-4151 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. John Nicolas have?
Dr. John Nicolas is certified by the American Board of Internal Medicine.
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