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, Aetna, Cigna, UnitedHealthcare 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 and 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, and 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 an Internist like Dr. Nicolas typically 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. Learn more about our claims-based healthcare methodology.
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:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
Also known as:
- High Cholesterol
- Cholesterol
- Hypercholesterolemia
- High blood cholesterol
- Elevated cholesterol
ICD-10 Codes:
- E7800: Pure hypercholesterolemia, 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:
- 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
What procedures does an Internist like Dr. Nicolas typically perform?
As an Internist, Dr. Nicolas performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed 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. Learn more about our claims-based healthcare methodology.
Also known as:
- Colonoscopy with Polyp Removal
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
CPT Codes:
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
Also known as:
- Liver Elastography
- Elastography
- FibroScan
- Liver stiffness test
- Shear wave elastography
CPT Codes:
- 91200: Liver elastography, mechanically induced shear wave (eg, vibration), without imaging, with interpretation and report
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
Cigna Group
Corporate Services
CVS Health (formerly Aetna)
Health Care Service Corporation
Humana
Medicare
State of Illinois
UMR Administered Payer
UnitedHealth Group
Unknown
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.
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. 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
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 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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