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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. John Nicolas:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (6)

The overall average patient rating of Dr. John Nicolas is Good. Dr. Nicolas has been reviewed by 18 patients who have provided 6 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.0
Promptness 3.7
Courteous Staff 3.6
Accurate Diagnosis 4.1
Bedside Manner 4.1
Spends Time with Me 4.4
Follows Up After Visit 4.0

Specialties & Research

Dr. John Nicolas, MD is board certified in Internal Medicine.

  • He has special expertise in 1 area:
  • Preventive Medicine

Education & Awards

Dr. Nicolas graduated from Loyola University Chicago, Maywood. He has 1 awards.

Castle Connolly's Top Doctors™ (2013)


Dr. Nicolas has 1 hospital affiliations:

  • Northwestern Memorial Hospital 

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Additional Information
Dr. John D Nicolas MD is a male Internist, has 24 years of experience and practices in Internal Medicine.
Where does Dr. John D. Nicolas practice?
Dr. John Nicolas has 1 office location.
Dr. John Nicolas practices Internal Medicine near Chicago, IL.
See Chicago Internists.